It's common knowledge that head gaskets are a necessary evil in our world of internal combustion. "The purpose of a head gasket is to seal the cylinder head and engine block," explains Kevyn Kistner ...

CARS.COM — Your car’s head gasket is an important part of the engine. It seals the cylinder head to the engine block. The cylinder head houses the engine valves while the engine block contains the ...

We surveyed mechanics from around the country to get accurate, real-world estimates for how much you can expect to pay when a head gasket goes bad, and the results were higher than we were expecting.