Audi S4 Parts - OEM & Aftermarket
Find quality Audi S4 parts for all years at unbeatable prices. Save 50-70% on engines, transmissions, body parts, and more with guaranteed fitment.
Audi S4 Parts by Category
Browse parts by category for your S4. Each category includes OEM and aftermarket options with guaranteed compatibility.
S4 A Pillar
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S4 A Pillar Trim
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S4 A/C Bracket
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S4 A/C Compressor
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S4 A/C Compressor Clutch Only
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S4 A/C Condenser
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S4 A/C Condenser Fan
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S4 A/C Control Computer
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S4 A/C Evaporator
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S4 A/C Evaporator Housing only
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S4 A/C Heater Control (see also Radio or TV Screen)
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S4 A/C Hose
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S4 A/C Wiring Harness
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S4 Accelerator Cable
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S4 Accelerator Pedal
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S4 Adaptive Cruise Projector
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S4 Air Bag
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S4 Air Bag Clockspring
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S4 Air Bag Ctrl Module
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S4 Air Box/Air Cleaner
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S4 Air Cond./Heater Vents
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S4 Air Flow Meter
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S4 Air Pump
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S4 Air Ride Compressor
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S4 Air Shutter
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S4 Air Tube/Resonator
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S4 Alternator
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S4 Alternator Bracket
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S4 Amplifier/Radio
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S4 Antenna
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S4 Anti-Lock Brake Computer
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S4 Anti-Lock Brake Pump
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S4 Armrest
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S4 Ash Tray/Lighter
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S4 Audiovisual (A/V) (see also TV Screen)
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S4 Auto. Trans. Cooler
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S4 Automatic Headlight Dimmer
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S4 Axle Actuator (4WD)
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S4 Axle Assy Fr (4WD w. Housing)
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S4 Axle Assy Rear (w. Housing)
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S4 Axle Beam Front (2WD, incl I Beam Susp)
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S4 Axle Beam Rear (FWD)
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S4 Axle Flange
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S4 Axle Housing Only
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S4 Axle Shaft
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S4 B Pillar Trim
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S4 Back Door Glass
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S4 Back Door Handle, Inside
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S4 Back Door Handle, Outside
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S4 Back Door Hinge
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S4 Back Door Moulding
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S4 Back Door Shell
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S4 Back Door Trim Panel
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S4 Back Door(above bmpr-see also Door Shell, Back)
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S4 Back Glass
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S4 Back Glass Regulator
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S4 Back Glass Shock
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S4 Backing Plate, Front
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S4 Backing Plate, Rear
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S4 Backup Camera
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S4 Backup Light
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S4 Battery
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S4 Battery Cable
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S4 Battery Cooling Fan
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S4 Battery Terminal
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S4 Battery Tray
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S4 Bed Floor (Pickup)
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S4 Bed Front Panel (Pickup)
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S4 Bed Liner
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S4 Bed Side, Pickup
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S4 Bed, Pickup
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S4 Bell Housing
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S4 Belt Tensioner
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S4 Blind Spot Camera
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S4 Blower Motor
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S4 Blower Motor Resistor
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S4 Body Wiring Harness
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S4 Brake Booster
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S4 Brake Proportioning Valve
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S4 Brake Rotor/Drum, Front
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S4 Brake Rotor/Drum, Rear
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S4 Brake Shoes/Pads
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S4 Brake/Clutch Pedal
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S4 Brush Guard
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S4 Bug Screen
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S4 Bumper Assy (Front) includes cover
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S4 Bumper Assy (Rear) includes cover
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S4 Bumper Bracket (Misc)
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S4 Bumper Cover (Front)
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S4 Bumper Cover (Rear)
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S4 Bumper End Cap
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S4 Bumper Energy Absorber (Front)
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S4 Bumper Energy Absorber (Rear)
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S4 Bumper Face Bar (Front)
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S4 Bumper Face Bar (Rear)
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S4 Bumper Filler Panel
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S4 Bumper Guard (Front)
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S4 Bumper Guard (Rear)
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S4 Bumper Impact Strip
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S4 Bumper Reinforcement (Front)
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S4 Bumper Reinforcement (Rear)
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S4 Bumper Shock
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S4 Bumper Step Pad
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S4 C Pillar Trim
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S4 Cab
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S4 Cab Back Panel
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S4 Cab Clip, no cowl
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S4 Cab Corner
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S4 Cabin Air Filter
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S4 Cabin Fuse Box
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S4 Caliper
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S4 Camera Projector
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S4 Camshaft
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S4 Camshaft Housing
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S4 Carburetor (see also Throttle Body)
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S4 Cargo Cover/Shade
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S4 Cargo Lamp
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S4 Carpet
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S4 Carrier (see also Differential)
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S4 Carrier Case
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S4 CD Player/Radio
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S4 Center Cap (Wheel)
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S4 Center Pillar
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S4 Charging Port Door Assembly
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S4 Chassis Control Computer (not Engine)
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S4 Clock
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S4 Clockspring (Air Bag)
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S4 Clutch Cable
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S4 Clutch Disc
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S4 Clutch Fork
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S4 Clutch Master Cylinder
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S4 Coil/Air Spring
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S4 Coil/Igniter
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S4 Column Switch
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S4 Computer Box Engine
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S4 Computer Box Not Engine
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S4 Condenser
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S4 Condenser/Radiator mtd. Cooling Fan
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S4 Connecting Rod, Engine
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S4 Console Lid
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S4 Console, Front
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S4 Console, Rear
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S4 Control Arm, Front Lower
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S4 Control Arm, Front Upper
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S4 Control Arm, Rear Lower
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S4 Control Arm, Rear Upper
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S4 Convertible Top
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S4 Convertible Top Boot
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S4 Convertible Top Lift
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S4 Convertible Top Motor
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S4 Convertible Windscreen
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S4 Coolant Pump
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S4 Cooling Fan (Rad and Con mtd.)
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S4 Core (Radiator) Support
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S4 Cowl
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S4 Cowl Vent/Screen Panel
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S4 Crank Pulley (Harmonic Balancer)
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S4 Crankshaft
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S4 Cruise Control Computer
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S4 Cruise Control Servo/Regulator
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S4 Cruise Speed Controler
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S4 Cylinder Head (Engine)
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S4 D Pillar
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S4 Dash Bezel (see also Instrument or Radio Bezel)
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S4 Dash Pad
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S4 Dash Panel
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S4 Dash Wiring Harness
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S4 Dash/Interior Switch
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S4 Deck Lid Assembly
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S4 Deck Lid Latch
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S4 Deck Lid Lock
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S4 Deck Lid/Trunk Lid Shell
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S4 Diesel Particulate Filter
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S4 Differential Assembly (see also Carrier)
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S4 Differential Case Only
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S4 Differential Flange Only
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S4 Distributor
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S4 Distributor Cap
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S4 Door Back(above bmpr-see also Door Shell, Back)
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S4 Door Front (see also Door Shell, Front)
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S4 Door Handle, Inside
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S4 Door Handle, Outside
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S4 Door Lock Assembly
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S4 Door Lock Striker
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S4 Door Mirror Cover
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S4 Door Outer Repair Panel, Back
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S4 Door Outer Repair Panel, Front
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S4 Door Outer Repair Panel, Rear
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S4 Door Rear (side-see also Door Shell, Rear)
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S4 Door Shell, Back (see also Door Back)
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S4 Door Shell, Front (see also Door Front)
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S4 Door Shell, Rear (see also Door Rear)
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S4 Door Window Crank Handle
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S4 Drag Link
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S4 Drive Shaft, Front
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S4 Drive Shaft, Rear
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S4 Drive-By-Wire
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S4 Driving Lamp Bezel
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S4 EGR Valve
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S4 Electric Door Motor (not Window)
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S4 Electric Window Motor
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S4 Electrical Part Misc
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S4 Electronic Transmission Shifter
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S4 Emblem
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S4 Emergency Brake
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S4 Engine
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S4 Engine Block
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S4 Engine Computer
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S4 Engine Core
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S4 Engine Cover
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S4 Engine Cradle
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S4 Engine Cylinder Head
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S4 Engine Fuse Box
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S4 Engine Mounts
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S4 Engine Oil Pan
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S4 Engine Wiring Harness
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S4 Exhaust Assembly
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S4 Exhaust Cross Pipe
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S4 Exhaust Fluid Pump
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S4 Exhaust Fluid Tank
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S4 Exhaust Heat Shield
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S4 Exhaust Lead Pipe
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S4 Exhaust Manifold
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S4 Exhaust Muffler
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S4 Exhaust Pipe
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S4 Exhaust Resonator
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S4 Exhaust Tail Pipe
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S4 Fan Blade
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S4 Fan Clutch
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S4 Fender
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S4 Fender Extension
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S4 Fender Flare
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S4 Fender Inner Panel
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S4 Fender Moulding
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S4 Fender Skirt
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S4 Fender/Wheelhouse Inner Liner
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S4 Flex Plate
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S4 Floor Mats
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S4 Floor Pan
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S4 Floor Shift Assembly
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S4 Flywheel
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S4 Fog Lamp
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S4 Fog Lamp Bezel
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S4 Fog Lamp Bracket
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S4 Fog Lamp Rear
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S4 Fog Lamp Switch
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S4 Frame
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S4 Frame Front Section Only
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S4 Frame Horn
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S4 Frame Upper & Lower Rails
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S4 Front Axle Assembly (4WD w Housing)
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S4 Front Axle Beam (2WD, incl I Beam Susp)
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S4 Front Axle Shaft
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S4 Front Bumper Assembly (includes cover)
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S4 Front Bumper Cover
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S4 Front Bumper Face Bar
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S4 Front Bumper Guard
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S4 Front Bumper Reinforcement
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S4 Front Console
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S4 Front Door (see also Door Shell, Front)
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S4 Front Door Glass
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S4 Front Door Handle, Inside
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S4 Front Door Handle, Outside
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S4 Front Door Hinge
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S4 Front Door Mirror
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S4 Front Door Mirror Glass
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S4 Front Door Moulding
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S4 Front Door Regulator
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S4 Front Door Shell
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S4 Front Door Switch
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S4 Front Door Trim Panel
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S4 Front Door Vent Glass
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S4 Front Door Vent Glass Regulator
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S4 Front Door Window Motor
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S4 Front Drive Shaft
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S4 Front End Assembly (Nose)
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S4 Front Inner Structure
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S4 Front Seat Belt Assembly
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S4 Front Valance
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S4 Front Window Regulator
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S4 Fuel Cap
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S4 Fuel Cell
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S4 Fuel Cooler
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S4 Fuel Distributor (& Misc. Injection)
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S4 Fuel Filler Door
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S4 Fuel Filler Neck
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S4 Fuel Gauge
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S4 Fuel Injector (& Misc. Injection)
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S4 Fuel Injector Pump
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S4 Fuel Injector Rail
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S4 Fuel Line
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S4 Fuel Pump
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S4 Fuel Tank
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S4 Fuel Tank Sending Unit
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S4 Fuse Box (Cabin)
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S4 Fuse Box (Engine)
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S4 Fuse Box Cooling Fan
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S4 Gas Cap
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S4 Gas Pedal
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S4 Gas Tank
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S4 Gate Interior Trim Panel
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S4 Gate Window Regulator
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S4 Gate/Lid
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S4 Gauge (Misc)
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S4 Gear Shift Indicator
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S4 Generator
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S4 Glass, Back
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S4 Glass, Front Door
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S4 Glass, Front Vent
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S4 Glass, Quarter Window
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S4 Glass, Rear Door
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S4 Glass, Rear Vent
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S4 Glass, Special (see also Sunroof/TTop)
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S4 Glass, Windshield
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S4 Glove Box
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S4 Glove Box Door
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S4 Glove Box Lock
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S4 GPS Screen (see also Radio or Heater/AC Control)
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S4 Grille
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S4 Grille Moulding
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S4 Grille Surround
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S4 Harmonic Balancer (Crank Pulley)
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S4 Hatch/Trunk Lid
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S4 Head (Cylinder)
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S4 Header Panel
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S4 Headlight Assembly
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S4 Headlight Ballast
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S4 Headlight Bracket
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S4 Headlight Bucket
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S4 Headlight Bulb
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S4 Headlight Cover (Plastic)
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S4 Headlight Door
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S4 Headlight Housing
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S4 Headlight Igniter
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S4 Headlight Lens
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S4 Headlight Motor
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S4 Headlight Switch (Column Mounted)
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S4 Headlight Switch (Dash Mounted)
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S4 Headlight Switch (see also Column Switch)
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S4 Headlight Washer Motor Only
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S4 Headlight Wiper Motor Only
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S4 Headliner
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S4 Headrest
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S4 Heads Up Display
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S4 Heat Pump Reversing Valve
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S4 Heater Assy
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S4 Heater Core
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S4 Heater Motor
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S4 Heater/AC Control (see also Radio or TV Screen)
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S4 Hood
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S4 Hood Deflector
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S4 Hood Hinge
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S4 Hood Insulation Pad
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S4 Hood Latch
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S4 Hood Ornament
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S4 Hood Prop
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S4 Hood Release Cable
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S4 Hood Release Handle
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S4 Hood Scoop
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S4 Hood Shock
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S4 Horn
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S4 Hub
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S4 Hub Cap/Wheel Cover (display w image)
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S4 Hub Cap/Wheel Cover (display w/o image)
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S4 Hub, Lockout (4WD)
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S4 HVAC Actuator
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S4 Hybrid Converter/Inverter
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S4 Idler Arm
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S4 Ignition Module (see also Ignitor/Coil)
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S4 Ignition Switch
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S4 Ignitor/Coil
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S4 Info Screen (see also Radio or Heater/AC Control)
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S4 Information Label
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S4 Inside Door Handle
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S4 Instrument Cluster (see also Speedo)
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S4 Instrument Cluster Bezel
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S4 Instrument Face Plate
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S4 Intake Manifold
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S4 Intercooler
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S4 Intercooler Pipe
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S4 Interior Complete
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S4 Interior Light
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S4 Interior Trim Panel (Gate/Lid)
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S4 Interior Trim Panel (Quarter)
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S4 Interior Trim Panel, Door (Back)
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S4 Interior Trim Panel, Door (Front)
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S4 Interior Trim Panel, Door (Rear)
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S4 Inverter Cooler
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S4 Jack Assembly
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S4 Key Remote/Fob
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S4 Keys/Latches and Locks
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S4 Kick Panel
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S4 Knee Assembly (see also Strut Assy)
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S4 Lamp Wiring Harness
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S4 Latch, Back Door
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S4 Latch, Front Door
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S4 Latch, Rear Door
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S4 Latches (Misc)
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S4 Leaf Spring, Front
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S4 Leaf Spring, Rear
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S4 License Lamp
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S4 License Plate Bracket
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S4 Lid Interior Trim Panel
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S4 Lid/Gate
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S4 Liftgate Assembly
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S4 Liftgate Latch
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S4 Liftgate Lock
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S4 Liftgate Shell
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S4 Lock Actuator
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S4 Lockout Hub, 4X4
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S4 Locks (Misc)
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S4 Lug Wrench
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S4 Luggage Rack
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S4 Marker/Fog Light, Front
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S4 Marker/Side Light, Rear
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S4 Master Cylinder
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S4 Mirror, Door
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S4 Mirror, Rear View
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S4 Misc. Electrical
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S4 Moulding (Back Door)
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S4 Moulding (Fender)
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S4 Moulding (Front Door)
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S4 Moulding (Lid/Hatch/Gate)
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S4 Moulding (Quarter Panel/Bed Side)
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S4 Moulding (Rear Door)
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S4 Moulding (Rocker)
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S4 Moulding (Windshield)
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S4 Mouldings (Misc)
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S4 Mud Flap
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S4 Neutral Safety Switch
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S4 Night Vision Camera
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S4 Nose (Front End Assembly)
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S4 Oil Cooler
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S4 Oil Filter Adapter
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S4 Oil Filter Housing
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S4 Oil Pan, Engine
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S4 Oil Pan, Transmission
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S4 Oil Pump, Engine
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S4 Outside Door Handle
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S4 Overdrive Unit (see also Transmission)
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S4 Owners Manual
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S4 Paddle Shifter
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S4 Parcel Shelf
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S4 Park Lamp Rear (Side)
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S4 Park/Fog Lamp Front
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S4 Parking Assist Camera
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S4 Pickup Bed
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S4 Pickup Bed Floor
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S4 Pickup Bed Front Panel
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S4 Pickup Bed Side
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S4 Pickup Cap/Camper Shell
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S4 Piston
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S4 Pitman Arm
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S4 Power Brake Booster
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S4 Power Inverter (Hybrid)
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S4 Power Steering Assy
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S4 Power Steering Control Valve
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S4 Power Steering Cooler
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S4 Power Steering Motor
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S4 Power Steering Pressure Cyl
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S4 Power Steering Pressure Hose
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S4 Power Steering Pump
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S4 Power Steering Rack/Box/Gear
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S4 Power Steering Reservoir
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S4 Pressure Plate
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S4 Push Rod (Engine)
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S4 Quarter Interior Trim Panel
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S4 Quarter Moulding
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S4 Quarter Panel
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S4 Quarter Panel Extension
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S4 Quarter Repair Panel
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S4 Quarter Window
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S4 Quarter Window Latch
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S4 Quarter Window Motor
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S4 Quarter Window Regulator
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S4 Rack & Pinion (Steering)
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S4 Radiator
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S4 Radiator Air Shutter
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S4 Radiator Core Support
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S4 Radiator Cover Baffle
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S4 Radiator Fan Shroud
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S4 Radiator Overflow Bottle
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S4 Radiator/Condenser mtd. Cooling Fan
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S4 Radio Bezel Trim
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S4 Radio Face Plate
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S4 Radio/CD (see also A/C Control or TV Screen)
View Parts
S4 Radius Arm, Front
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S4 Rag Joint (see also Steering Coupler)
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S4 Rear Axle Assy (RWD)
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S4 Rear Axle Beam (FWD)
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S4 Rear Body Panel
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S4 Rear Bumper Assembly (includes cover)
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S4 Rear Bumper Cover
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S4 Rear Bumper Face Bar
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S4 Rear Bumper Guard
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S4 Rear Bumper Reinforcement/Misc
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S4 Rear Clip
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S4 Rear Console
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S4 Rear Crossmember
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S4 Rear Door (side-see also Door Shell, Rear)
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S4 Rear Door Handle, Inside
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S4 Rear Door Handle, Outside
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S4 Rear Door Hinge
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S4 Rear Door Moulding
View Parts
S4 Rear Door Regulator
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S4 Rear Door Shell
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S4 Rear Door Switch
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S4 Rear Door Trim Panel
View Parts
S4 Rear Door Vent Glass
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S4 Rear Door Vent Glass regulator
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S4 Rear Door Window
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S4 Rear Door Window Motor
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S4 Rear Door Window Regulator
View Parts
S4 Rear Drive Shaft
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S4 Rear Finish Panel
View Parts
S4 Rear Gate Window Motor
View Parts
S4 Rear Gate/Lid
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S4 Rear Knuckle/Stub Axle
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S4 Rear Lower Valance
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S4 Rear Seat Belt Assembly
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S4 Rear Suspension (see also Control Arms)
View Parts
S4 Rear Suspension Locating Arm
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S4 Rear Suspension Trailing Arm
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S4 Rear Window Defogger
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S4 Rear Window Washer Motor
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S4 Receiver Dryer
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S4 Relay (Misc)
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S4 Ring and Pinion Only
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S4 Rocker Arm
View Parts
S4 Rocker Moulding
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S4 Rocker Panel (see also Center Pillar)
View Parts
S4 Roll Bar
View Parts
S4 Roll Bar Padding
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S4 Roof
View Parts
S4 Roof Glass Frame/Track
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S4 Roof Panel (see also Sunroof)
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S4 Roof Rack
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S4 Running Board Motor
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S4 Running Boards
View Parts
S4 Satellite Receiver
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S4 Seat Belt Motor
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S4 Seat Belt Pretensioner
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S4 Seat Belt Track (Electric)
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S4 Seat Belt, Front
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S4 Seat Belt, Rear
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S4 Seat Motor
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S4 Seat Switch
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S4 Seat Track, Front Only
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S4 Seat, Back (3rd Row)
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S4 Seat, Back (4th Row)
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S4 Seat, Back (5th Row)
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S4 Seat, Front
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S4 Seat, Rear (2nd Row)
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S4 Sensor (Body, Misc)
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S4 Sensor (Chassis, Misc)
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S4 Sensor (Drivetrain, Misc)
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S4 Shifter Assembly (Floor)
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S4 Shifter Cable
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S4 Shifter Linkage
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S4 Shock Absorber
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S4 Shock Mount
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S4 Short Block
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S4 Sill Plate
View Parts
S4 Skid Plate
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S4 Slave Cylinder
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S4 Smog Pump
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S4 Spare Tire Carrier
View Parts
S4 Spare Tire Cover
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S4 Spare Tire Hoist
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S4 Spark Plug Wire
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S4 Speaker
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S4 Special Glass
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S4 Speedometer (see also Instr. Cluster)
View Parts
S4 Speedometer Cable
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S4 Spindle
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S4 Spoiler, Front
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S4 Spoiler, Rear
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S4 Spring Hanger
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S4 Stabilizer Bar Only
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S4 Starter
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S4 Steering Column
View Parts
S4 Steering Column Shaft
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S4 Steering Coupler
View Parts
S4 Steering Knuckle (see also Knee & Strut)
View Parts
S4 Steering Pump
View Parts
S4 Steering Rack/Box/Gear
View Parts
S4 Steering Wheel
View Parts
S4 Strut (see also Knee Assy)
View Parts
S4 Strut Tower Brace
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S4 Sun Roof / T-Top
View Parts
S4 Sun Roof Motor
View Parts
S4 Sunvisor
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S4 Supercharger/Turbocharger
View Parts
S4 Tachometer
View Parts
S4 Tail Light
View Parts
S4 Tail Light Circuit Board
View Parts
S4 Tail Light Lens
View Parts
S4 Tailgate Cable
View Parts
S4 Tailgate Hinge
View Parts
S4 Tailgate Latch
View Parts
S4 Tailgate Lift Motor
View Parts
S4 Tailgate Lock
View Parts
S4 Tailgate Shell
View Parts
S4 Tailgate Window Regulator
View Parts
S4 Tailgate/Trunk Lid
View Parts
S4 Thermostat Housing
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S4 Third Brake Light
View Parts
S4 Throttle Body/Throttle Valve Housing
View Parts
S4 Throwout Bearing
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S4 Tie Rod
View Parts
S4 Timing Belt/Chain
View Parts
S4 Timing Cover
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S4 Timing Gears
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S4 Tire
View Parts
S4 Tonneau Cover
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S4 Torque Convertor
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S4 Torsion Bar
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S4 Tow Hook
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S4 Track/Watts Linkage
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S4 Trailer Brake Controller
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S4 Trailer Hitch
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S4 Trans OD Unit (see also Transmission)
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S4 Transaxle Housing Only
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S4 Transfer Case
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S4 Transfer Case Adapter
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S4 Transfer Case Core
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S4 Transfer Case Electric Motor
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S4 Transfer Case Switch
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S4 Transmission
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S4 Transmission Bellhousing Only
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S4 Transmission Clutch Actuator
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S4 Transmission Computer
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S4 Transmission Cooling Line
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S4 Transmission Core
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S4 Transmission Crossmember
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S4 Transmission Front Pump
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S4 Transmission Mount
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S4 Transmission Pan
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S4 Transmission Torque Converter
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S4 Transmission Valve Body
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S4 Transmission Wiring Harness
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S4 Trim Ring
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S4 Trunk Lid Pull Down Motor
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S4 Trunk Lid/Hatch
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S4 Trunk Lid/Hatch Hinge
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S4 Trunk Lid/Hatch Shock
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S4 Trunk Lid/Tailgate Moulding
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S4 TTop/Sunroof
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S4 Turbo/Supercharger Core
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S4 Turbocharger/Supercharger
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S4 Turn Signal/Fog Lamp
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S4 TV Screen (see also Radio or Heater/AC Control)
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S4 Uniside
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S4 Utility Bed
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S4 Utility Box
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S4 Vacuum Pump
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S4 Vacuum Storage Tank
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S4 Valance, Front
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S4 Valance, Rear
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S4 Valve Cover
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S4 Vapor Canister
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S4 Voltage Regulator
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S4 Washer Nozzle
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S4 Water Pump
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S4 Water Separator
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S4 Weather Stripping
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S4 Wheel (display w image)
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S4 Wheel (display w/o image)
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S4 Wheel Bearing
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S4 Wheel Cover/Hubcap (display w image)
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S4 Wheel Cover/Hubcap (display w/o image)
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S4 Wheel Lug Nut
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S4 Wheel Opening Moulding
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S4 Wheelchair Lift
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S4 Wheelchair Ramp
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S4 Wheelhouse (Rear)
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S4 Winch
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S4 Window Motor
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S4 Window Regulator (Front)
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S4 Window Regulator (Rear)
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S4 Window Shade
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S4 Window Switch (Front Door)
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S4 Window Switch (Rear Door)
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S4 Window Washer Motor, Rear
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S4 Windshield
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S4 Windshield Frame
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S4 Windshield Hinge
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S4 Windshield Washer Motor (Front)
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S4 Windshield Washer Reservoir
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S4 Wiper Arm
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S4 Wiper Linkage
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S4 Wiper Motor, Front (Windshield)
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S4 Wiper Motor, Rear
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S4 Wiring Harness (Air Conditioning)
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S4 Wiring Harness (Body)
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S4 Wiring Harness (Dash)
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S4 Wiring Harness (Engine)
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S4 Wiring Harness (Lamp)
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S4 Wiring Harness (Misc)
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S4 Wiring Harness (Transmission)
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S4 Yoke/U-Joint
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Why Buy Audi S4 Parts from Us?
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Guaranteed Fitment
Every S4 part listing includes year-specific compatibility. Search by VIN for exact fitment matching on your specific S4.
Common Audi S4 Repairs & Parts
Engine & Powertrain
Audi S4 engines are built for reliability, but components like alternators, starters, and radiators need replacement over time.
- Alternator replacement (typically 100,000-150,000 miles)
- Starter motor failure (150,000+ miles)
- Radiator leaks and cooling system repairs
Electrical Components
Modern S4 vehicles have sophisticated electronics. Common electrical part replacements include:
- ECU/Computer modules
- Headlights and tail lights
- Sensors and switches
Audi S4 Parts - FAQ
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