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K- Series Engine Upgraded ton Thermostat O- Ring Set
These O- rings are made from Nitrile
Brand New
Fits one either side of the thermostat housing
Common fault with this housing when you replace the thermostat.
They never seem to seal properly using the old original O- Rings as they were never meant to be reused. This can lead to water leaks when the engine is running & also letting air into the system when cooling down as the system depressurises.