Oil Separator Membrane – VW Touareg / Audi Q7 3.0 TDI | OEM 057103495N

057103495N Oil Separator Membrane for VW Touareg Audi Q7 3.0 TDI

The 057103495N oil separator membrane is a replacement crankcase ventilation diaphragm for Volkswagen Touareg and Audi Q7 3.0 TDI applications. This 63 mm membrane is designed to restore the function of the existing oil separator unit without replacing the complete assembly.

This product is a membrane / diaphragm only. It is intended to repair the existing oil separator and should not be treated as a repair kit or a complete oil separator assembly.

OEM / Reference Numbers

Primary OEM: 057103495N

Related / Reference Numbers: No additional reference numbers are explicitly confirmed for this product.

Part Type

• Oil separator membrane
• Crankcase ventilation diaphragm
• PCV membrane
• 3.0 TDI oil separator diaphragm

What This Part Does

This membrane works inside the crankcase ventilation and oil separator system. When the original diaphragm becomes brittle, torn or loses sealing ability, the system may no longer regulate pressure correctly. Replacing the membrane helps restore the function of the existing oil separator unit in a targeted and cost-effective way.

Compatible Vehicles

• Volkswagen Touareg 2011–2018
• Audi Q7 2016–2018

Please verify OEM number, vehicle model, production year and oil separator design before ordering.

Engine / Engine Family / Technical Detail

• Engine focus: 3.0 TDI
• Membrane diameter: 63 mm
• Part format: membrane / diaphragm only

Common Symptoms of Failure

• Crankcase ventilation pressure imbalance
• Oil leak symptoms related to a failed diaphragm
• Whistling noise from the oil separator area
• Need to repair the existing oil separator unit instead of replacing the complete assembly

Why Choose This Replacement

• Targets exact OEM search intent for 057103495N
• Supports repair of the existing oil separator unit
• Cost-effective alternative to replacing the complete assembly
• Designed for the correct 63 mm membrane repair type

Important Before Ordering

• Verify OEM 057103495N against your original part
• Confirm your 3.0 TDI application and oil separator design
• Check the 63 mm membrane size before ordering
• Make sure you need the membrane only, not a repair kit or complete oil separator assembly

• Audi
• Volkswagen

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.

Read the full Refund & Return Policy