Genuine OEM Jaguar Fuel Injector Lower O-Ring, part number C2C19757. This small but vital seal is designed to prevent fuel leaks and maintain proper pressure at the lower part of the fuel injector. It ensures a tight seal where the injector meets the intake manifold or fuel rail. Made from durable, fuel-resistant rubber, this O-ring provides a reliable seal. Genuine OEM O-rings are manufactured to precise dimensions and material specifications, critical for preventing fuel system leaks and ensuring optimal engine performance and safety.