Genuine OEM Jaguar Compressor O-Ring, part number C2P17823. This essential component is designed to create a tight, leak-proof seal for connections within the vehicle's air conditioning compressor system. It prevents the escape of refrigerant and moisture ingress, which are vital for maintaining A/C system efficiency and longevity. This small but critical O-ring weighs approximately 0.01 kg. Using a genuine OEM O-ring ensures the correct material composition, precise dimensions, and resistance to A/C refrigerants and lubricants, preventing premature leaks and system failure.