How much does head gasket replacement cost?
$1,000 - $2,500 typical range
Head gasket replacement typically costs $1,000 to $2,500, and can exceed that on larger or dual-overhead-cam engines. The gasket part is cheap, but reaching it means removing much of the top of the engine, which makes labor the biggest expense.
Get free head gasket replacement quotesWhat is Head Gasket Replacement?
A head gasket replacement installs a new seal between the engine block and cylinder head to keep coolant, oil, and combustion pressure from mixing.
Signs you need head gasket replacement
- Engine overheating
- White smoke from the exhaust
- Milky or foamy oil on the dipstick
- Coolant loss with no visible leak
- Bubbles in the radiator or overflow tank
What affects the cost
- Engine size and cylinder layout
- Labor hours to remove the cylinder head
- Whether the head needs machining or resurfacing
- New coolant, oil, and related gaskets
- Vehicle make and model
- Shop labor rates in your area
Get an exact head gasket replacement price
The range above is a starting point — your year, make, model and parts set the real number. Describe the job once and verified local shops send you free quotes.
Get free quotesHead Gasket Replacement cost — FAQ
Can I drive with a blown head gasket?
You should avoid it, because a blown head gasket lets coolant and combustion gases mix and quickly leads to overheating. Continuing to drive can warp or crack the cylinder head, turning a costly repair into an engine replacement.
What are the symptoms of a blown head gasket?
Common signs include overheating, white smoke from the exhaust, milky oil, and unexplained coolant loss. A mechanic can confirm it with a chemical or compression test if these symptoms appear.
Is it worth replacing a head gasket?
It is often worth it if the rest of the engine and the car are in good shape, since a repaired gasket restores normal operation. If the car has high mileage or other major issues, the repair cost may approach the value of the vehicle.
How long does head gasket replacement take?
The job usually takes one to three days because the cylinder head must be removed and often resurfaced. Complex engines or additional damage found during the repair can extend that time.
What causes a head gasket to fail?
Repeated overheating is the most common cause, along with age, poor coolant maintenance, and engine detonation. Keeping the cooling system healthy is the best way to prevent gasket failure.
