CDU3858LLR - O-Ring

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O-Ring seals the thermostat housing on the K Series 1.8 and KV6 2.5 engines. It sits at the joint between the thermostat housing and outlet elbow and the cylinder block, maintainin g a leak-tight seal in the engine cooling circuit. It is renewed whenever the thermostat or housing is disturbed, so the joint reseals and coolant does not seep. Show more