To replace a head gasket the majority of the motor usually needs to be disassembled with the accessories removed as well as the intake and exhaust manifolds. The labor for a job like is often expensive because it requires a unique knowledge of the engine.
Is a head gasket replacement expensive?
A head gasket repair can cost thousands of pounds, but the average UK price is around £600. Most of this is the cost of labour. Seeing as the head gasket is a vital part of the engine, (and the replacement can take 10 hours) it's easy to see why.
How much should a head gasket repair cost?
How Much Does it Cost to Replace a Head Gasket? According to a national average, it costs between $1,624 and $1,979 for a head gasket replacement. The associated labor costs are estimated between $909 and $1147 while the parts themselves vary in the range of $715 and $832.