Cylinder head gasket
The cylinder head gasket is the critical seal between the engine block and the cylinder head. It prevents leaks of combustion gases, coolant, and oil — vital for engine efficiency and durability.
The cylinder head gasket, often called the head gasket, is a flat but high-performance sealing component placed between the engine block and the cylinder head. It ensures that combustion chambers stay sealed and that oil and coolant channels remain isolated from one another — even under extreme conditions.
This gasket must endure enormous pressure from combustion as well as thermal expansion from the metal surfaces it seals. Any failure can result in coolant mixing with oil, loss of compression, white exhaust smoke, overheating, or complete engine failure. That's why the head gasket is one of the most important sealing components in the entire engine.
Modern head gaskets are typically made from multi-layered steel (MLS) or composite materials, combining strength, heat resistance, and flexibility to maintain a tight seal through heat cycles and pressure fluctuations.
Key features and uses:
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Seals the combustion chamber and fluid channels
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Withstands high pressure, temperature, and movement
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Prevents coolant and oil from mixing
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Maintains compression and protects engine components
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Available in multiple thicknesses and designs per engine type
At Sanders Parts, we supply high-quality cylinder head gaskets that are built to withstand the harshest conditions — offering long-lasting protection and performance for every engine.