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Sierra-2500-Hd Parts
2025
Radiator

Car Parts Finder USASalvage 2025 GMC Sierra-2500-Hd Radiator

Professionally inspected parts from salvage vehicles. Find quality 2025 GMC Sierra-2500-Hd radiator parts.

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2025 GMC Sierra-2500-Hd Radiator — Top Picks

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2020-2025 GMC SIERRA 2500 HD ENGINE RADIATOR LEFT OR RIGHT UPPER INSULATOR OEM
UnknownFree Ship

2020-2025 GMC SIERRA 2500 HD ENGINE RADIATOR LEFT OR RIGHT UPPER INSULATOR OEM

5.0(86,916)
$22.11
$27.99-21%
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CSF Radiator for Chevrolet Silverado 2500 HD Heavy Duty GMC Sierra DIESEL 6.6L
UnknownFree Ship

CSF Radiator for Chevrolet Silverado 2500 HD Heavy Duty GMC Sierra DIESEL 6.6L

5.0(90,956)
$129.95
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2020-2025 Gmc Sierra 2500HD Radiator Core Support Upper Tie Bar /Hood Lock Latch
UnknownFree Ship

2020-2025 Gmc Sierra 2500HD Radiator Core Support Upper Tie Bar /Hood Lock Latch

5.0(480)
$169.99
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For 2020-2026 GMC Sierra 2500 HD Radiator 38523BPZJ 2022 2024 2021 2023 2025
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For 2020-2026 GMC Sierra 2500 HD Radiator 38523BPZJ 2022 2024 2021 2023 2025

5.0(355,761)
$232.72
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Prices updated Sep 3, 2026. Actual prices may vary.

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Need a Radiator for your 2025 GMC Sierra-2500-Hd? Car Parts Finder USA searches thousands of sellers to find the best radiator at the lowest prices with guaranteed fitment.

  • Radiator from verified sellers with condition grading
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  • Warranty included from most sellers (30-90 days)
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New Vehicle — Buying Tips

Your 2025 GMC Sierra-2500-Hd is relatively new. When replacing the radiator, consider OEM parts to maintain warranty coverage and optimal compatibility. Dealer alternatives can save 20-30% while still using genuine-spec components.

Price Range:
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$22.11 – $235.30
Based on 5 current listings

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Why Choose Salvage Parts?

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2025 GMC Sierra-2500-Hd Engine & Transmission

Engine & Transmission

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2025 GMC Sierra-2500-Hd Body Parts & Glass

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About the 2025 GMC Sierra-2500-Hd Radiator

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.

Signs of Failure

  • Engine overheating
  • Coolant leaks under the vehicle
  • Low coolant level
  • Discolored or rusty coolant
  • Steam coming from under the hood
  • Temperature gauge running hot
  • Sweet antifreeze smell
  • Visible damage or corrosion on radiator

Replacement Info

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.

Time: 2-4 hours
Difficulty: Moderate DIY

2025 GMC Sierra-2500-Hd Radiator — Price Comparison

Used / Salvage

$22.11 – $235.30

Best value option. Tested parts from salvage vehicles.

Aftermarket

$100-$300

New parts from third-party manufacturers. Great quality at lower cost.

OEM / Dealer

$200-$500

Original factory parts. Guaranteed fitment and manufacturer warranty.

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GMC Sierra-2500-Hd Radiator — All Years

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202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999

Other GMC Models — Radiator

Find radiator for other GMC vehicles

GMC 1500

1992-1998

Radiator

GMC 1500-Club-Coupe

1992-1999

Radiator

GMC 2500

1992-1999

Radiator

GMC 2500-Club-Coupe

1992-1998

Radiator

GMC 2500-Hd

1999-1999

Radiator

GMC 2500-Hd-Club-Coupe

1997-1998

Radiator

GMC 3500

1992-1999

Radiator

GMC 3500-Club-Coupe

1992-1998

Radiator

GMC Acadia

2007-2025

Radiator

GMC Acadia-Limited

2017-2017

Radiator

Salvage 2025 Sierra-2500-Hd RadiatorFrequently Asked Questions

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Features

Your 2025 Sierra-2500-Hd Radiator

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OEM vs Aftermarket — 2025 GMC Sierra-2500-Hd Radiator

Recommendation: Quality Aftermarket Acceptable

Radiators are straightforward heat exchangers where quality aftermarket units perform well. The key factors are proper fitment, quality materials (aluminum core, plastic tanks), and adequate cooling capacity. Reputable aftermarket manufacturers produce radiators that meet or exceed OE specifications. OEM radiators are preferred for vehicles with demanding cooling requirements (towing, performance) or complex integrated designs. Used OEM radiators are excellent value if undamaged and not corroded internally.

OEM Advantages

  • •Exact fit guaranteed
  • •Proven cooling capacity
  • •Correct transmission cooler size
  • •OE quality materials and construction
  • •Designed for vehicle's specific needs

Aftermarket Advantages

  • •New unit condition
  • •Competitive pricing
  • •Often improved designs
  • •Upgraded materials available
  • •Warranty coverage

Related Parts for 2025 GMC Sierra-2500-Hd

Radiator Hoses

Upper and lower hoses connect the radiator. Replace if cracked, swollen, or when replacing radiator.

Thermostat

Controls coolant flow to radiator. Often replaced during cooling system repairs.

Radiator Cap

Maintains system pressure. A faulty cap can cause overheating. Inexpensive to replace preventively.

Cooling Fan

Pulls air through radiator at low speeds. Test operation during radiator replacement.

Water Pump

Circulates coolant through the system. A weak pump reduces radiator effectiveness.

Coolant

Fresh coolant is required after radiator replacement. Use manufacturer-specified type.