Genuine OEM Jaguar Cylinder Head Gasket, part number AJ814283. This vital gasket creates a high-pressure seal between the cylinder head and the engine block on the right side of the engine. Its function is to prevent the leakage of combustion gases, engine oil, and coolant, which is crucial for maintaining engine compression and preventing fluid cross-contamination. Weighing approximately 0.415 kg, this gasket is precision-engineered for exact fitment. Using a genuine OEM cylinder head gasket ensures the correct material composition, thickness, and sealing properties, which are paramount for engine reliability, preventing costly damage from leaks, and maintaining optimal performance.