PCV Crankcase Ventilation Membrane – VAG | OEM 077103245B 036103765A
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077103245B / 036103765A PCV Membrane for Audi VW Skoda Valve Cover
The 077103245B / 036103765A PCV membrane is a replacement crankcase ventilation diaphragm for selected Audi, Volkswagen and Skoda applications. It is designed to restore the existing valve cover ventilation or breather unit without replacing the complete assembly.
This product is a membrane / diaphragm only. It should not be treated as a complete valve cover, complete oil separator or full crankcase ventilation assembly.
OEM / Reference Numbers
Primary OEM: 077103245B, 036103765A
Related / Reference Numbers:
- 078103245E
- 077103245C
- 036103464AC
- 036103464S
Part Type
- PCV membrane
- Crankcase ventilation diaphragm
- Valve cover membrane
- Breather diaphragm
What This Part Does
This membrane helps regulate crankcase ventilation pressure inside the existing valve cover or breather system. When the original diaphragm fails, the system may lose sealing ability and create abnormal crankcase pressure or vacuum leak symptoms.
Compatible Vehicles
- Volkswagen Passat
- Volkswagen Phaeton
- Volkswagen Touareg
- Skoda Superb
- Audi A4
- Audi A6
- Audi A8
Please verify OEM number, vehicle model, engine type and ventilation unit design before ordering.
Engine / Engine Family / Technical Detail
- Application focus: Audi / Volkswagen / Skoda valve cover ventilation systems
- Part format: membrane / diaphragm only
Common Symptoms of Failure
- Increased gas pressure in the crankcase
- Oil pushed through seals
- Engine vibration
- Reduced engine thrust
- Membrane jamming or sticking
- Vacuum leak symptoms
Why Choose This Replacement
- Targets exact OEM intent for 077103245B and 036103765A
- Supports repair of the existing crankcase ventilation unit
- Cost-effective alternative to replacing the complete assembly
- Uses a focused membrane-only repair approach
Important Before Ordering
- Verify OEM 077103245B or 036103765A against your original part
- Compare related references where applicable
- Confirm vehicle model and ventilation system design
- Make sure you need the membrane only, not a complete assembly
What does 077103245B / 036103765A fit?
These numbers are used for selected Audi, Volkswagen and Skoda crankcase ventilation or valve cover membrane applications, including Passat, Phaeton, Touareg, Superb, A4, A6 and A8 model groups.
Is 078103245E the same type of part as 077103245B?
078103245E is a related reference number within the same PCV / crankcase ventilation membrane family.
What does this PCV membrane do?
It helps regulate crankcase pressure and sealing inside the existing ventilation or valve cover breather system.
What symptoms can indicate membrane failure?
Possible symptoms include increased crankcase pressure, oil pushed through seals, vibration, reduced thrust, membrane sticking or vacuum leak behavior.
Is this a complete valve cover assembly or membrane only?
This product is a membrane / diaphragm only. It is intended to repair the existing unit rather than replace the full assembly.
How do I confirm compatibility before ordering?
Match OEM 077103245B or 036103765A with your original part and verify the related references, vehicle model and breather design before ordering.
Delivery estimates exclude processing. Holidays, customs clearance and carrier delays may extend transit times. Shipping costs are shown at checkout.
Returns and exchanges
Request a change-of-mind return within 14 calendar days of delivery, then send the goods within 14 calendar days of notifying us. Our voluntary return option applies to unused, uninstalled, complete goods in their original condition and packaging. Exchanges are subject to availability and agreement.
The customer pays change-of-mind return shipping. No restocking fee applies. Refunds and original delivery charges are handled under our Refund & Return Policy and applicable law.
Faulty, damaged or incorrect goods
Email contact-us@klifex.net with your order details and a description of the problem. These claims are separate from change-of-mind returns. Where we are responsible, we bear the required remedy and return costs. Installation alone does not remove mandatory defect rights.
Your legal rights
Applicable statutory rights take precedence, including EU/EEA and UK withdrawal rights and legal guarantees. Necessary inspection does not remove a statutory withdrawal right; deductions for excessive handling must reflect an actual, evidenced loss of value.
Contact us for the correct return address before shipping. Our legal address is not a return address.
