Lexus RX Head Gasket Replacement Cost

Replace the seal between the engine block and cylinder head.

$1,950 – $4,550

Typical labor: 8 to 20 hours

Estimate based on Lexus RX parts and labor adjustments versus the national average. Your exact cost depends on year, trim, mileage, and shop. Get a free personalized AI estimate above.

Why Lexus RX Owners See This Pricing

Lexus shares Toyota underpinnings, so repairs cost less than European luxury but more than the Toyota equivalent.

For reference, the national average for head gasket replacement on a typical passenger vehicle is $1,500 to $3,500. The Lexus RX runs about +30% versus that baseline.

Common Symptoms in the Lexus RX

White smoke from exhaust

Coolant in the oil (milky on dipstick)

Oil in the coolant

Overheating with no visible leak

Bubbles in the coolant reservoir

What It Is

The head gasket seals the engine block to the cylinder head, keeping oil, coolant, and combustion gases in their proper places.

Why It Matters

A blown head gasket can lead to a warped head, hydrolocked engine, or complete engine failure. The fix is labor-intensive but often cheaper than a new engine.

How to Save Money on Lexus RX Head Gasket Replacement

Get a compression and leakdown test before approving the job, the symptoms can also come from a cracked head
On older cars, get a quote for a used engine swap too, sometimes it's cheaper

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Frequently Asked Questions

Is a blown head gasket worth fixing?

Depends on the car's value. If the repair costs more than half the car's worth, consider a used engine or selling as-is.