Genuine OEM Land Rover Engine Timing Chain Tensioner, part number 4361284. This vital engine component is responsible for maintaining the correct tension on the engine timing chain, ensuring precise valve timing and smooth engine operation. It is located within the engine's timing assembly. Constructed from durable metal with a low-friction plastic guide shoe, it weighs approximately 0.14 kg. Using a genuine OEM timing chain tensioner guarantees factory-specified tolerances and material quality, crucial for the longevity and reliable performance of the engine's valvetrain.