Valve Cover PCV Diaphragm – VAG 2.0 TDI | OEM 03G103469M 03G103469T03G103469M 03G103469T Valve Cover Diaphragm for Audi VW Skoda Seat 2. 0 TDI The 03G103469M 03G103469T valve cover diaphragm is an 84 mm replacement membrane for selected Audi, Volkswagen, Skoda and Seat 2. 0 TDI applications. It is designed to repair the existing valve cover crankcase ventilation unit without replacing the complete valve cover assembly. This product is a diaphragm membrane only. It should not be treated as a repair kit or complete

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Supercharger Clutch Repair Kit — Land Rover / Jaguar 5

precise steering

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Whistling noise from the valve cover or breather area

Confirm that your vehicle is a Mercedes-Benz W140

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A failing vacuum pump on the VW 1

air intake noise or ventilation pressure imbalance

Replaces the internal O-rings and seals that fail with age — restoring full valve operation without replacing the entire unit

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It helps the valve cover ventilation unit regulate crankcase pressure and maintain correct breather system function