Head Gasket | Cylinder Head Gasket

Cylinder Head Gaskets

A cylinder head gasket seals the joint between the cylinder head and engine block. Its design provides the required sealing around combustion chambers and the engine's fluid passages.

A-Premium offers individual head gaskets and pairs for selected engines. Match the engine and, where specified, the left or right cylinder bank; a vehicle model can be offered with more than one engine.

Choosing A Head Gasket Replacement

Gasket bore, thickness, material and passage layout are application-specific. Compare the selected part with the engine requirements and any previous machining or repair. A gasket set may not include head bolts or sealant, so check the package and service procedure.

Overheating, coolant loss or poor running can involve several causes. Diagnose the cooling and engine systems before selecting a gasket; if the engine has overheated, the head and block sealing surfaces also need appropriate inspection.

Frequently Asked Questions (FAQ)

How is a head gasket different from a valve cover gasket?

The head gasket seals between the cylinder head and engine block. A valve cover gasket seals the cover at the top of the engine; they are different parts and repair jobs.

Are left and right head gaskets always interchangeable?

Some engines use side-specific gaskets or are sold as a left-and-right pair. One A-Premium Ram gasket is listed for the passenger bank, while a GM set contains both sides. Follow the engine and position in the listing.

Does a head gasket include head bolts?

Two listed A-Premium head gasket products specify that head bolts are not included. Check the selected package and the vehicle procedure for bolt requirements.

Why do gasket thickness and bore matter?

They affect how the gasket fits the engine and its sealing surfaces. Use the dimension and gasket specified for that engine; previous machining can make the repair requirements different.

Does overheating always mean the head gasket has failed?

Overheating can originate in the cooling system or other engine components. Manufacturer diagnostic guidance includes checking for external leaks and testing the system before concluding which repair is needed.

How to Fix a Blown Head Gasket? 3 Steps to Fix It

Have you ever had an issue with a blown head gasket? This may cause engines to overheat, often indicates serious damage to your car's engine and leads to costly repairs.

Jul 21, 2026

Chrysler Head Gasket

Cylinder Head Gaskets

Choosing A Head Gasket Replacement

Frequently Asked Questions (FAQ)

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