GMC Sierra 2500HD Thermostat replacement Cost
2008–2013 · Engine, Fuel & Emissions system
Typical range
$309–$2.2k
Parts + labour
Labour hours
1–4h
At a typical garage
The thermostat regulates engine temperature by controlling coolant flow to the radiator. A stuck-closed thermostat causes overheating; a stuck-open one keeps the engine running cold, increasing wear and reducing heater output. GMC Sierra 2500HD thermostat replacement costs $309–$2169.
Typical parts included
- Thermostat housing
- Thermostat
What affects the price
- OEM vs aftermarket thermostat (OEM strongly recommended for reliability)
- Whether the housing and gasket are replaced too
- Coolant top-up cost after the job
Common questions
How long does this repair take?
Thermostat replacement on a GMC Sierra 2500HD typically takes 1–4 hours at a garage.
How often does this need to be done?
For a GMC Sierra 2500HD, this is typically needed thermostats are replaced on failure; typical lifespan is 80,000–100,000 miles.
Other engine, fuel & emissions system repairs on the GMC Sierra 2500HD
- ABS hydraulic unit replacement$459–$842
- ABS sensor replacement$189–$347
- ABS system bleeding$151–$277
- AC compressor clutch replacement$378–$693
- AC compressor replacement$405–$743
Thermostat replacement cost on similar cars
- RAM Trucks 3500$270–$495
- CHEVROLET Silverado$248–$454
- FORD Ranger Double Cab$225–$413
- NISSAN Titan Crew Cab$270–$495
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