03G103469N / 03G103469R Valve Cover Diaphragm for Audi VW Skoda Seat 2.0 TDI
The 03G103469N / 03G103469R valve cover diaphragm is an 86 mm replacement membrane for selected Audi, Volkswagen, Skoda and Seat 2.0 TDI applications. It is designed to restore the function of the existing valve cover ventilation unit without replacing the complete valve cover assembly.
This product is a diaphragm / membrane only. It is separate from repair kit listings and should not be treated as a complete valve cover assembly.
OEM / Reference Numbers
Primary OEM: 03G103469N, 03G103469R
Related / Reference Numbers:
- 03G103469F
- 03G103475
Part Type
- Valve cover diaphragm
- Valve cover membrane
- PCV membrane
- Crankcase ventilation diaphragm
What This Part Does
This diaphragm works inside the valve cover crankcase ventilation system. When the original diaphragm fails, the valve cover unit may no longer regulate pressure correctly, which can create idle, starting or air leak symptoms.
Compatible Vehicles
- Audi A3
- Skoda Octavia
- Skoda Superb
- Volkswagen Golf
- Volkswagen Jetta
- Volkswagen Passat
- Volkswagen Touran
- Seat Altea
- Seat Leon
- Seat Toledo
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: 86 mm
- Part format: diaphragm / membrane only
Common Symptoms of Failure
- Hard start or no-start symptoms
- Ignition problems
- Unstable idle
- Increased fuel consumption
- Air intake noise
- Crankcase ventilation pressure imbalance
Why Choose This Replacement
- Targets exact OEM intent for 03G103469N and 03G103469R
- Supports repair of the existing valve cover ventilation unit
- Cost-effective alternative to replacing the complete valve cover
- Designed for the correct 86 mm diaphragm repair type
Important Before Ordering
- Verify OEM 03G103469N or 03G103469R against your original part
- Check related references 03G103469F and 03G103475 where applicable
- Confirm the 86 mm diaphragm size
- Make sure you need the diaphragm only, not a repair kit or complete assembly
What does 03G103469N / 03G103469R fit?
These numbers are used for selected Audi, Volkswagen, Skoda and Seat 2.0 TDI valve cover diaphragm applications with the matching ventilation design.
Is 03G103475 the same type of part as 03G103469N?
03G103475 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?
Possible signs include hard starting, ignition problems, unstable idle, increased fuel consumption, air intake noise or ventilation pressure imbalance.
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 03G103469N or 03G103469R with your original valve cover and confirm your vehicle model, engine type and 86 mm diaphragm design.
Read All
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