HUMMER H1 2 Door Hardtop Thermostat replacement Cost
1992–2006 · Engine, Fuel & Emissions system
Typical range
$353–$2.4k
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. HUMMER H1 2 Door Hardtop thermostat replacement costs $353–$2430.
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 HUMMER H1 2 Door Hardtop typically takes 1–4 hours at a garage.
How often does this need to be done?
For a HUMMER H1 2 Door Hardtop, 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 HUMMER H1 2 Door Hardtop
- ABS hydraulic unit replacement$510–$918
- ABS sensor replacement$210–$378
- ABS system bleeding$168–$302
- AC compressor clutch replacement$420–$756
- AC compressor replacement$450–$810
Thermostat replacement cost on similar cars
- LAND ROVER Range Rover$300–$540
- JEEP Grand Cherokee$275–$495
- CHEVROLET Tahoe$300–$540
- FORD Expedition$300–$540
- GMC Yukon$300–$540
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