HUMMER H2 Thermostat replacement Cost

20022009 · Engine, Fuel & Emissions system

Typical range

$353$2.4k

Parts + labour

Labour hours

14h

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 H2 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 H2 typically takes 14 hours at a garage.

How often does this need to be done?

For a HUMMER H2, 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 H2

Thermostat replacement cost on similar cars

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