Oil pressure relief piston and spring. The spring is slightly longer than stock and will produce slightly greater oil pressure than stock.

Fits 2.0L aircooled and 1.9 & 2.1Ltr watercooled vanagons.

Fitment Note:  The piston may come with a factory applied cosmoline coating for rust prevention. You will need removed this coating before install. 

Ref ID:021115411A, 021115421B

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