04B103469K Valve Cover Membrane for Audi VW Skoda Seat 1.4 TDI
The 04B103469K valve cover membrane is a 51 mm replacement crankcase ventilation diaphragm 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 membrane / diaphragm only. It should not be treated as a repair kit or complete valve cover assembly.
OEM / Reference Numbers
Primary OEM: 04B103469K
Related / Reference Numbers: No additional reference numbers are explicitly confirmed for this product.
Part Type
- Valve cover membrane
- Valve cover diaphragm
- PCV membrane
- Crankcase ventilation diaphragm
What This Part Does
This membrane works inside the valve cover crankcase ventilation system. When the original diaphragm becomes damaged, the ventilation system may lose proper pressure regulation and sealing, causing PCV-related operating symptoms.
Compatible Vehicles
- Audi A1 2015–2018
- Seat Ibiza / ST 2016–2017
- Seat Toledo 2013–2019
- Skoda Fabia 2015–2022
- Skoda Rapid 2013–2022
- Volkswagen Polo / Derby / Vento-IND 2015–2018
Please verify OEM number, vehicle model, year and valve cover design before ordering.
Engine / Engine Family / Technical Detail
- Engine focus: 1.4 TDI
- Membrane diameter: 51 mm
- Part format: membrane / diaphragm only
Common Symptoms of Failure
- Whistling noise from the valve cover area
- Rough idle
- Vacuum leak symptoms
- Crankcase pressure imbalance
- Oil leak symptoms related to ventilation pressure
Why Choose This Replacement
- Targets exact OEM intent for 04B103469K
- Supports repair of the existing valve cover ventilation unit
- Cost-effective alternative to replacing the complete valve cover
- Designed for the correct 51 mm membrane repair type
Important Before Ordering
- Verify OEM 04B103469K against your original part
- Confirm your 1.4 TDI application and valve cover design
- Check the 51 mm membrane size
- Make sure you need the membrane only, not a repair kit or complete valve cover assembly
What does 04B103469K fit?
04B103469K is used for selected Audi A1, Seat Ibiza, Seat Toledo, Skoda Fabia, Skoda Rapid and Volkswagen Polo 1.4 TDI applications with the matching valve cover design.
What does this valve cover membrane do?
It helps the valve cover ventilation system regulate crankcase pressure and maintain correct PCV operation.
What symptoms can indicate membrane failure?
Possible symptoms include whistling noise, rough idle, vacuum leak behavior, pressure imbalance or oil leak symptoms related to ventilation pressure.
Is this a complete valve cover assembly or membrane only?
This product is a membrane / diaphragm only. It is intended to repair the existing valve cover ventilation unit.
What technical detail is listed for this membrane?
The membrane diameter is 51 mm.
How do I confirm compatibility before ordering?
Match OEM 04B103469K with your original valve cover and confirm vehicle model, year, engine type and 51 mm membrane design.
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
