Valve Cover PCV Membrane – Audi / VW / Porsche 3.0 TDI | OEM 059103470CQ 059103470CT 059103470CP

059103470CQ / 059103470CT / 059103470CP Valve Cover Membrane for Audi VW Porsche 3.0 TDI

The 059103470CQ / 059103470CT / 059103470CP valve cover membrane is a 50 mm replacement crankcase ventilation diaphragm for selected Audi, Volkswagen and Porsche 3.0 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: 059103470CQ, 059103470CT, 059103470CP, 0214556A

Related / Reference Numbers:

• 059103469BD
• 059103469T
• 059103469AE
• 059103469Q
• 059103469P
• 059103470CN
• 059103470CF
• 059103470R
• 059103470K
• 059103470J
• 059103470AL

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 PCV system may lose pressure control and sealing, causing ventilation-related symptoms.

Compatible Vehicles

• Audi A4 / Avant 2016–2024
• Audi A4 allroad quattro 2016–2024
• Audi A5 / S5 Coupe / Sportback 2017–2024
• Audi A5 / S5 Cabriolet 2017–2024
• Audi A6 / Avant 2011–2018
• Audi A6 Allroad quattro 2013–2018
• Audi A6 / S6 / Avant quattro 2011–2018
• Audi A7 Sportback 2015–2018
• Audi A8 / S8 quattro 2010–2017
• Audi Q5 2010–2018
• Volkswagen Touareg 2011–2018
• Porsche Cayenne 2011–2018
• Porsche Macan 2014–2018
• Porsche Panamera 2010–2016

Please verify OEM number, vehicle model, year and valve cover design before ordering.

Engine / Engine Family / Technical Detail

• Engine focus: 3.0 TDI
• Membrane diameter: 50 mm
• Part format: membrane / diaphragm only

Common Symptoms of Failure

• Whistling noise from the valve cover area
• Rough idle
• Crankcase pressure imbalance
• Vacuum leak symptoms
• Oil leak symptoms related to ventilation pressure

Why Choose This Replacement

• Targets exact OEM intent for 059103470CQ, 059103470CT and 059103470CP
• Supports repair of the existing valve cover ventilation unit
• Cost-effective alternative to replacing the complete valve cover
• Designed for the correct 50 mm membrane repair type

Important Before Ordering

• Verify OEM 059103470CQ, 059103470CT or 059103470CP against your original part
• Compare related references where applicable
• Confirm your 3.0 TDI application and valve cover design
• Make sure you need the membrane only, not a repair kit or complete assembly

• Audi
• Porsche
• 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