Genuine OEM Jaguar Engine Oil Pump, part number AJ811878. This vital component is responsible for circulating lubricating oil throughout the engine, ensuring all moving parts are adequately lubricated and cooled. It maintains the necessary oil pressure for optimal engine performance and longevity. Constructed from robust cast metal, this pump weighs approximately 2.234 kg. Installing a genuine OEM oil pump guarantees precise internal tolerances, correct flow rates, and material integrity, which are crucial for reliable engine operation and preventing premature wear.