How Much Does Thermostat Replacement Cost?
Expect to pay $110 to $410 at an independent shop for a typical car, and up to $550 at a dealership. A stuck thermostat is one of the cheapest causes of overheating or a heater that blows cold. It is usually a quick fix.
- Parts$20–$90
- Labor$90–$320
- Shop time0.8–2 hours
- DIY difficultyModerate (2/5)
Estimate your cost
Thermostat Replacement cost by vehicle type
| Vehicle | Parts | Labor | Total |
|---|---|---|---|
| Compact / economy car | $20–$90 | $90–$320 | $110–$410 |
| Midsize sedan / crossover | $25–$105 | $95–$350 | $120–$455 |
| Truck / full-size SUV | $25–$115 | $100–$370 | $125–$485 |
| Luxury / European | $35–$160 | $115–$415 | $150–$580 |
Independent shop vs. dealer vs. chain
| Where | Hourly rate | Typical total |
|---|---|---|
| Independent shop | $110–$160 | $120–$455 |
| Chain (Midas, Firestone…) | $120–$175 | $130–$490 |
| Dealership | $160–$230 | $165–$610 |
What does it do?
The thermostat is a temperature-controlled valve that keeps coolant in the engine until it warms up, then opens to send it to the radiator.
Signs you need this repair
- Temperature gauge high or erratic
- Engine takes very long to warm up
- Heater blows cold
- Check engine code P0128
Can you do it yourself?
Difficulty: Moderate (2/5). Usually two or three bolts on a housing plus refilling and bleeding coolant.
Doing it yourself saves the labor portion, roughly $90–$320, so you would pay only for parts ($20–$90).
Is it worth fixing?
Yes. It is an inexpensive repair that protects the engine from overheating and restores heater performance.
How to save money
- Use an OEM-temperature thermostat: cheap "universal" ones can cause check-engine lights.
- Combine with a coolant flush if the coolant is due.
Questions to ask your mechanic
- Is the thermostat stuck open or stuck closed?
- Is it an OEM-temperature thermostat?
- Will the cooling system be bled properly after the job?
Frequently asked questions
How long does a thermostat last?
Often 10 years or 100,000 miles, but they can stick earlier.
Can I drive with a bad thermostat?
If it is stuck open, the engine runs cool and wastes fuel. If stuck closed, the engine overheats: stop driving.
Why is labor higher on some cars?
On some engines the thermostat housing sits under the intake or behind other components.
Related repair costs
Sources and methodology
Estimates combine typical book labor times, current aftermarket and OEM parts prices, and 2026 US shop labor rates. See exactly how we calculate them.
- U.S. Bureau of Labor Statistics: Automotive Service Technicians and Mechanics (pay and duties)
- Federal Trade Commission: Auto Repair Basics (estimates, warranties, your rights)
- NHTSA: Check for recalls before paying for a repair
- ASE (National Institute for Automotive Service Excellence): technician certification