This Pressure Blanking cap fits Nissan Patrol GU Y61 with ZD30, TD42TI and RD28 engines
Where the Pressure cap is fitted to the Over flow bottle, and This blanking cap is fitted to the Radiator
There is no Pressure relief valve in these Caps, it just has a Seal.
Note: The Pressure Releif cap is sold seperately and available in our online store.