Find quality Audi S6 radiator parts at unbeatable prices. Save 50–70% compared to dealership prices. Browse used OEM, aftermarket, and new options from our nationwide seller network.
The radiator is the primary heat exchanger in your vehicle's cooling system, responsible for dissipating engine heat into the atmosphere. Hot coolant from the engine flows through the radiator's tubes while air passes over the fins, transferring heat away. A failed or leaking radiator leads to engine overheating, which can cause catastrophic engine damage.
Radiator replacement is a moderate DIY job. The process involves: draining the cooling system, disconnecting upper and lower hoses, disconnecting transmission cooler lines (if equipped), removing the cooling fan assembly or shroud, unbolting the radiator mounting brackets, and lifting out the old radiator. Installation is the reverse, followed by refilling with fresh coolant and bleeding air from the system. Most replacements take 2-3 hours. Ensure you properly dispose of old coolant and use the correct coolant type for your vehicle.
Find quality Audi S6 radiator (also known as RAD) parts at unbeatable prices. Save 50-70% compared to dealership prices.
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Car Parts Finder USA
Need a Radiator Audi S6? Car Parts Finder USA searches thousands of sellers to find the best radiator at the lowest prices with guaranteed fitment.

Prices vary by model year — newer vehicles typically cost more. Click any year to search current listings.
2025 Audi S6
$50–$150 used
2024 Audi S6
$50–$150 used
2023 Audi S6
$50–$150 used
2022 Audi S6
$45–$130 used
2021 Audi S6
$45–$130 used
2018 Audi S6
$35–$105 used
2017 Audi S6
$35–$105 used
2016 Audi S6
$35–$105 used
2015 Audi S6
$35–$105 used
2014 Audi S6
$35–$105 used
2013 Audi S6
$30–$85 used
2011 Audi S6
$30–$85 used
2010 Audi S6
$30–$85 used
2009 Audi S6
$30–$85 used
2008 Audi S6
$30–$85 used
2007 Audi S6
$30–$85 used
2003 Audi S6
$30–$85 used
2002 Audi S6
$30–$85 used
Showing 18 of 19 years. Use the year picker above to find all years.
The radiator is the primary heat exchanger in your vehicle's cooling system, responsible for dissipating engine heat into the atmosphere. Hot coolant from the engine flows through the radiator's tubes while air passes over the fins, transferring heat away. A failed or leaking radiator leads to engine overheating, which can cause catastrophic engine damage. The Radiator (also known as RAD) is a critical component for your Audi S6.
Know when your S6 radiator needs replacement:
Radiator replacement is a moderate DIY job. The process involves: draining the cooling system, disconnecting upper and lower hoses, disconnecting transmission cooler lines (if equipped), removing the cooling fan assembly or shroud, unbolting the radiator mounting brackets, and lifting out the old radiator. Installation is the reverse, followed by refilling with fresh coolant and bleeding air from the system. Most replacements take 2-3 hours. Ensure you properly dispose of old coolant and use the correct coolant type for your vehicle.
$50-$150
$100-$300
$200-$500
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