045103469G / 045103469E / 045103469J Valve Cover Diaphragm for Audi VW Skoda Seat 1.4 TDI
The 045103469G / 045103469E / 045103469J valve cover diaphragm is a replacement crankcase ventilation membrane for selected Audi, Volkswagen, Skoda and Seat 1.4 TDI applications. It is designed to repair the existing valve cover 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: 045103469G, 045103469E, 045103469J
Related / Reference Numbers: No additional reference numbers are explicitly confirmed for this diaphragm-only product.
Part Type
- Valve cover diaphragm
- Valve cover membrane
- PCV membrane
- Crankcase ventilation diaphragm
What This Part Does
This diaphragm works inside the crankcase ventilation system integrated into the valve cover. When the original membrane becomes torn, stiff or worn, the ventilation system may lose proper pressure regulation and sealing.
Compatible Vehicles
This diaphragm is intended for selected Audi, Volkswagen, Skoda and Seat 1.4 TDI applications using the matching 045103469G / 045103469E / 045103469J valve cover design.
Please verify OEM number, engine type and valve cover design before ordering.
Engine / Engine Family / Technical Detail
- Engine focus: 1.4 TDI
- Part format: diaphragm / membrane only
Common Symptoms of Failure
- Whistling noise from the valve cover area
- Rough or unstable idle
- Vacuum leak symptoms
- Crankcase pressure imbalance
- Oil leak symptoms related to ventilation pressure
Why Choose This Replacement
- Targets exact OEM intent for 045103469G, 045103469E and 045103469J
- Supports repair of the existing valve cover ventilation unit
- Cost-effective alternative to replacing the complete valve cover
- Correctly positioned as a diaphragm-only repair product
Important Before Ordering
- Verify OEM 045103469G, 045103469E or 045103469J against your original valve cover
- Confirm your 1.4 TDI application and valve cover design
- Make sure you need the diaphragm only, not a repair kit or complete assembly
- Compare the original membrane design before installation
What does 045103469G / 045103469E / 045103469J fit?
These numbers are used for selected Audi, Volkswagen, Skoda and Seat 1.4 TDI valve cover diaphragm applications using the matching ventilation design.
Is 045103469E the same type of part as 045103469G?
Yes. 045103469E and 045103469G are primary references for the same valve cover diaphragm application group.
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?
Symptoms can include whistling noise, unstable idle, vacuum leak behavior, pressure imbalance or oil leak symptoms related to ventilation pressure.
Is this a complete valve cover assembly or diaphragm only?
This product is a diaphragm / membrane only. It is not a repair kit or complete valve cover assembly.
How do I confirm compatibility before ordering?
Match OEM 045103469G, 045103469E or 045103469J with your original valve cover and confirm the engine type and valve cover 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