022103429AA / 022103515B Valve Cover Diaphragm for VW Audi 3.2 FSI
The 022103429AA / 022103515B valve cover diaphragm is a replacement membrane for selected Volkswagen and Audi 3.2 FSI / 3.2 V6 engines. This part is designed to restore the operation of the existing valve cover ventilation system without replacing the complete valve cover assembly.
This product should be positioned as a diaphragm / membrane only. It is intended for repair of the original valve cover PCV-type membrane system used on specific VW and Audi applications.
OEM / Reference Numbers
Primary OEM: 022103429AA, 022103515B
Related / Reference Numbers: No additional OEM reference numbers are explicitly confirmed for this product.
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 maintain correct pressure regulation in the crankcase ventilation circuit. When the original membrane tears, hardens or loses sealing ability, the system may no longer function correctly. Replacing the diaphragm helps restore operation of the existing assembly.
Compatible Vehicles
- Volkswagen EOS 2006–2011
- Volkswagen Golf V 2006–2009
- Volkswagen Transporter 5 2003–2010
- Audi A3 II 2004–2013
- Audi TT 2003–2010
Please verify OEM number, engine code and valve cover design before ordering.
Engine / Engine Family / Technical Detail
- Engine family focus: 3.2 FSI / 3.2 V6
- Audi engine codes: BDB, BMJ, BUB, BHE, BPF
- Volkswagen engine codes: BUB, BDL, BKK, CFLA
- Part format: diaphragm / membrane only
Common Symptoms of Failure
- Whistling noise related to PCV membrane failure
- Rough idle caused by ventilation imbalance
- Vacuum leak symptoms
- Oil consumption issues related to a failed breather membrane
Why Choose This Replacement
- Targets the exact 022103429AA / 022103515B replacement intent
- Supports repair of the existing valve cover ventilation unit
- Cost-effective alternative to replacing the complete assembly
- Built for membrane-only repair where the full original kit is not supplied separately
Important Before Ordering
- Verify OEM number 022103429AA or 022103515B against your original part
- Check your engine code and valve cover configuration
- Confirm vehicle model and year range before ordering
- Make sure you need the diaphragm / membrane only, not the complete valve cover assembly
What does 022103429AA / 022103515B fit?
This diaphragm is used for selected Volkswagen and Audi 3.2 FSI / 3.2 V6 applications, including Volkswagen EOS, Golf V, Transporter 5, Audi A3 II and Audi TT within the listed year ranges.
Is 022103515B the same type of part as 022103429AA?
Yes. 022103429AA and 022103515B are primary OEM numbers for the same valve cover diaphragm / membrane product.
What does this valve cover diaphragm do?
It helps the valve cover ventilation system maintain proper pressure control and sealing.
What symptoms indicate failure?
Typical symptoms can include whistling noise, rough idle, vacuum leak behavior and oil consumption issues related to a failed breather membrane.
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 022103429AA or 022103515B with your original part, confirm your engine code, and verify vehicle model, year range and valve cover design before ordering.
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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