New - in stock and MUCH better  than the old plastic type !! The advantage with the MODE billet bypass valve is the billet piston with o-ring seals, compared to OE piston with a rubber diaphragm actuator. The MODE bypass valve will function at 3 bar...

New from 944onlein. This hose goes between the expansion tank and the Y pipe for the Aux water pump on your 944 Turbo.