Genuine OEM Land Rover Coolant Expansion Tank Cap, part number LR010965. This critical component is a vital part of the engine cooling system, designed to seal the coolant expansion tank and maintain the correct pressure within the system. It is rated for 200 kPa, ensuring proper coolant circulation and preventing boiling. Weighing 0.065 kg, this cap is engineered for precise fitment and reliable performance. Using a genuine OEM cap ensures the correct pressure relief valve calibration and material integrity for safe and effective cooling system operation.