03G103469M / 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 valve cover assembly.
OEM / Reference Numbers
Primary OEM: 03G103469M, 03G103469T
Related / Reference Numbers:
- 03G103469L
- 03G103469AA
- 03G103469S
- 03G103475C
Part Type
- Valve cover diaphragm
- Valve cover membrane
- PCV membrane
- Crankcase ventilation diaphragm
What This Part Does
This diaphragm works inside the valve cover ventilation system and helps regulate crankcase pressure. When the original membrane fails, the ventilation system may lose sealing ability, causing unstable operation and air leak symptoms.
Compatible Vehicles
This diaphragm is intended for selected Audi, Volkswagen, Skoda and Seat 2.0 TDI applications using the listed OEM family.
Please verify OEM number, vehicle model, engine type and valve cover design before ordering.
Engine / Engine Family / Technical Detail
- Engine focus: 2.0 TDI
- Diaphragm diameter: 84 mm
- Part format: diaphragm / membrane only
Common Symptoms of Failure
- Whistling or air-sucking noise
- Increased fuel consumption
- Increased oil consumption
- Ignition problems
- Intermittent idle
- Vacuum leak symptoms
Why Choose This Replacement
- Targets exact OEM intent for 03G103469M and 03G103469T
- Supports repair of the existing valve cover ventilation unit
- Cost-effective alternative to replacing the complete valve cover assembly
- Designed for the correct 84 mm diaphragm repair type
Important Before Ordering
- Verify OEM 03G103469M or 03G103469T against your original valve cover
- Check related references where applicable
- Confirm 2.0 TDI application and valve cover design
- Make sure you need the diaphragm only, not a repair kit or complete assembly
What does 03G103469M / 03G103469T fit?
These numbers are used for selected Audi, Volkswagen, Skoda and Seat 2.0 TDI valve cover diaphragm applications using the matching ventilation design.
Is 03G103469L the same type of part as 03G103469M?
03G103469L is a related reference number within the same valve cover diaphragm application family.
What does this valve cover diaphragm do?
It helps the valve cover ventilation system regulate crankcase pressure and maintain correct PCV operation.
What symptoms can indicate diaphragm failure?
Typical symptoms can include whistling noise, increased oil or fuel consumption, ignition problems, intermittent idle and vacuum leak behavior.
Is this a complete valve cover assembly or diaphragm only?
This product is a diaphragm / membrane only. It is intended to repair the existing valve cover ventilation unit.
How do I confirm compatibility before ordering?
Match OEM 03G103469M or 03G103469T with your original valve cover and confirm the engine type, vehicle model and 84 mm diaphragm design.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings