Valve Cover Diaphragm Seal For VW Audi A4 A6 Skoda Ford 038103469

Prevent engine vacuum leaks and restore smooth operation with this Valve Cover Diaphragm Seal engineered for 1.9L and 2.0L TDI powertrains. Designed as a direct replacement for worn factory units, this component features a hermetically sealed structure built from ABS plastic, rubber, and stainless steel to withstand heat and chemical exposure. It addresses common issues like erratic idling, loss of boost pressure, and warning lights caused by failed diaphragms in Volkswagen, Audi, Ford Galaxy, and other compatible vehicles.

This replacement ensures a precise fit under the intake manifold, reducing downtime associated with engine misfires and improving fuel efficiency by maintaining correct air-fuel ratios during compression cycles. The durable materials resist thermal degradation, offering reliable performance over extended service intervals.

Benefits & Practical Advice

• Resolve Air Leak Symptoms: Replacing this diaphragm eliminates unmetered air entering the engine, which typically causes rough idling, hesitation during acceleration, and increased stress on emission systems. The correct seal stabilizes vacuum pressure for optimal combustion stability.
• Robust Construction: The multi-material design combines the rigidity of ABS with the flexibility of rubber and the durability of stainless steel. This blend prevents the brittleness and cracking often seen in older seals exposed to aggressive TDI operating temperatures.
• Accurate Replacement Check: Ensure cross-compatibility by comparing part codes before installation. Model years and regional variations can affect engine configurations; verifying the original number guarantees the new seal matches your specific chassis requirements.

Product Specifications

• Material Composition: ABS Plastic reinforced with Rubber and Stainless Steel.
• Target Engines: 1.9 TDI, 2.0 TDI.
• Condition: Brand New.
• Origin: Mainland China.
• Key Feature: Hermetic seal integrity with high-precision dimensions.

Vehicular Compatibility Reference:

• Volkswagen: Passat B5/B6/B7 (1999–2010), Sharan (1998–2010), Bora (1998–2005), Golf IV (1998–2005), Transporter T5 (2004–2010).
• Audi: A4 B5/B6/B7 (1994–2008), A6 C5 (1997–2005).
• Seat: Alhambra (2001–2010).
• Skoda: Superb (2002–2008).
• Ford: Galaxy I WGR (1996–2006).
• OEM Reference Numbers: 038103469, 038103469Q, 038103469AE, 038103469S, 038103469AJ, 038103469R, 038103469T, 038103469D, 038103469AD, 038103469AH, 038103469M, 1232167, 1424580.

Package Includes:

• One Valve Cover Diaphragm Seal.

Warning & Reminders

Compatibility information is provided for reference only. Different trim levels, regional specifications, and production dates can affect part interchangeability. Please locate the part number stamped on your original valve cover diaphragm and verify it matches the OEM numbers listed above. If the numbers do not correspond exactly, this part may not fit your vehicle or could cause engine damage upon installation.

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