Genuine OEM Jaguar Cylinder Block Plug, part number AJ810281. This small but critical component is designed to seal openings within the engine cylinder block, preventing leaks of oil or coolant. It ensures the integrity of the engine's internal systems. Weighing 0.05 kg and with very small dimensions, this plug provides a precise fit. Using a genuine OEM plug guarantees the correct material composition and sealing properties for reliable engine operation.