MAZDA 323 Hatchback Engine thermostat replacement Cost
1989–1994 · Engine, Fuel & Emissions system
Typical range
$167–$305
Parts + labour
Labour hours
0.7–3h
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. MAZDA 323 Hatchback thermostat replacement costs $167–$305.
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?
Engine thermostat replacement on a MAZDA 323 Hatchback typically takes 0.7–3 hours at a garage.
How often does this need to be done?
For a MAZDA 323 Hatchback, 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 MAZDA 323 Hatchback
- ABS hydraulic unit replacement$383–$701
- ABS sensor replacement$158–$289
- ABS system bleeding$126–$231
- AC compressor clutch replacement$315–$578
- AC compressor replacement$338–$619
Engine thermostat replacement cost on similar cars
- CHEVROLET Camaro$183–$336
- BMW 4 Series Coupe$167–$305
- FORD Mustang$183–$336
- HONDA Accord Coupe$167–$305
- AUDI A5$185–$333
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