A thermostat replacement costs $390 to $726 in 2026
A thermostat replacement costs $390 to $726 in 2026 for common cars, per RepairPal. Its national average is $616 to $716. Labor is about $195 to $286 and parts are about $421 to $429. KBB puts the average cost for car thermostat replacement at $661 to $747. YourMechanic lists an average of $208 for a Honda Civic, with $68 for parts and $140 for labor.
Thermostat replacement cost by car
RepairPal lists these ranges for the most common cars. Your year and engine move the price inside each range.
| Car | Price, parts and labor |
|---|---|
| Ford F-150 | $651 to $726 |
| Toyota Camry | $390 to $501 |
| Chevrolet Silverado 1500 | $411 to $491 |
How common cars compare
Against the middle of the RepairPal national average, $666, the Ford F-150 is about the national middle; the Toyota Camry runs about 33 percent less; the Chevrolet Silverado 1500 runs about 32 percent less. The gap comes from where the part sits, how long it takes to reach, and the price of the part for that car.
What price guides say
We checked 3 price guides. They do not all measure the same thing, so read each line for what it counts.
| Source | What it found |
|---|---|
| RepairPal | National average $616 to $716. Labor is about $195 to $286 and parts are about $421 to $429. |
| Kelley Blue Book | KBB puts the average cost for car thermostat replacement at $661 to $747. |
| YourMechanic | YourMechanic lists an average of $208 for a Honda Civic, with $68 for parts and $140 for labor. |
What pushes the quote up
| What | Why it matters |
|---|---|
| Thermostat location | Some sit on top of the engine and are easy to reach. Others hide behind other parts and take much more labor. Labor runs $195 to $286 on average. |
| Housing included | Many cars use a thermostat built into a plastic housing. You must buy the whole housing, and that costs more. |
| Coolant service | The shop drains and refills coolant, and bleeds air from the system. This adds a fee. |
| Gasket and seals | A new gasket or seal is needed every time. Some cars also need new bolts. |
| Engine type | V6 and V8 engines, and turbo engines, have more parts in the way. Parts run $421 to $429 for the national average. |
How to tell you need it
- The engine takes a long time to warm up, or the heater blows cool air.
- The temperature gauge swings up and down, or the engine runs hot.
- A scan tool shows a code like P0128 for low coolant temperature, and a shop checks the thermostat.
What the price includes
The price includes a new thermostat, a gasket or seal, the labor, and a coolant refill. Ask if the housing and a system bleed are part of the quote. It does not include tax, shop supply fees, or other repairs the shop finds while the car is in.
How to judge your quote
- Ask if the quote is for the thermostat only, or the thermostat and housing.
- Ask if new coolant and a gasket are in the price.
- Ask if the shop found a reason for the problem, like a bad sensor or a leak.
- Ask about the warranty on parts and labor.
- Compare the total with the range above: $390 to $726 for most cars.
Ways to pay less
- Ask if an aftermarket thermostat is a safe choice for your car.
- If your coolant is old, ask for a coolant service at the same visit so you do not pay labor twice.
- Fix it early. A stuck thermostat can cause overheating, and that costs far more.
- Compare quotes from an independent shop and a dealer.
Dealer or independent shop
RepairPal puts labor for a thermostat replacement at $195 to $286. At the typical independent shop rate of about $140 an hour, that is about 1.7 hours of work. A dealer charging $200 an hour would bill about $344 for the same labor, and a $100 an hour shop about $172. Parts cost about the same anywhere, so the shop rate is where you can save. See what mechanics charge an hour.
Why this costs more in 2026
Shop labor now runs about $100 to $250 an hour. Many car parts are imported, and freight costs went up after the oil shock that began with the Iran war in February 2026. Steel, copper, aluminum and resin prices are up too, and they go into almost every part. Many thermostats now come in plastic housings with electronic control and sensors, and these parts cost more to make.
How we got these numbers
The national range, the labor and parts split and the prices by car come from RepairPal's thermostat replacement estimate, last updated September 3, 2026. We checked them against Kelley Blue Book and YourMechanic, and read every number on the source page on October 7, 2026. These are planning ranges, not quotes. Your shop's written estimate is the real price.
Common questions
How much does thermostat replacement cost?
Kelley Blue Book says the average is $661 to $747. RepairPal shows $616 to $716. Cars with easy access cost less.
Can I drive with a bad thermostat?
Not for long. A thermostat stuck shut can make the engine overheat fast. Get it checked right away.
How long does it take?
Many shops finish in one to three hours. Hard to reach thermostats take longer.
Can I do it myself?
If the thermostat is easy to reach, some people can. You still must drain and refill the coolant and bleed out all the air.