PORSCHE 911 Carrera 4 Cabriolet Thermostat replacement Cost
2005–2008 · Engine, Fuel & Emissions system
Typical range
$326–$625
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. PORSCHE 911 Carrera 4 Cabriolet thermostat replacement costs $326–$625.
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 PORSCHE 911 Carrera 4 Cabriolet typically takes 1–4 hours at a garage.
How often does this need to be done?
For a PORSCHE 911 Carrera 4 Cabriolet, 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 PORSCHE 911 Carrera 4 Cabriolet
- ABS hydraulic unit replacement$491–$912
- ABS sensor replacement$202–$375
- ABS system bleeding$162–$300
- AC compressor clutch replacement$404–$751
- AC compressor replacement$433–$804
Thermostat replacement cost on similar cars
- MERCEDES BENZ E-Klasse Cabriolet and predecessors$263–$488
- BMW Z4 Roadster$263–$488
- SAAB 9-3 Convertible$263–$488
- AUDI A4 Cabriolet$263–$488
- CHEVROLET Camaro Convertible$315–$585
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