Genuine OEM Volkswagen Cylinder Head Seal, part number 06Q103483C. This seal creates a watertight and airtight seal between the cylinder head and the engine block, preventing fluid and combustion gas leaks. It is located between the cylinder head and the cylinder block. Genuine OEM cylinder head seals are manufactured with specific materials and dimensions to ensure a reliable, long-lasting seal, preventing critical fluid leaks and maintaining engine compression.