Genuine OEM Jaguar Differential O-Ring, part number C2D30525. This O-ring is designed to create a critical fluid-tight seal within the front differential assembly. It is positioned on the engine side of the differential. Weighing only 0.01 kg, this small component is vital for preventing lubricant leaks. Using a genuine OEM O-ring ensures the correct material, elasticity, and dimensions for a durable and leak-free seal, protecting the differential's internal components.