VNE 4008056 Vacuum Check Valve

Vacuum Check Valve for OE-Style Emission Control

The VNE 4008056 vacuum check valve is an OE supplier replacement for vacuum system service on select Audi and Volkswagen applications. It is used in emission control vacuum routing to help maintain one-way flow where the original valve has worn or failed.

• Vacuum check valve for emission control vacuum system service
• OE supplier replacement for direct-fit maintenance
• Cross-reference: 058905291B
• Part number: 4008056

Vehicle Fitment

• Fits 2011-2012 Audi Q5, N/A, with OE No. 058905291B
• Fits 2010-2011 Audi A5 Quattro, N/A, with OE No. 058905291B
• Fits 2008-2009 Audi Q7, N/A, with OE No. 058905291B
• Fits 2004-2009 Audi S4, N/A, with OE No. 058905291B
• Fits 2008-2009 Volkswagen Touareg, N/A, with OE No. 058905291B
• Fits 2005-2008 Audi A6 Quattro, N/A, with OE No. 058905291B
• Fits 2003-2006 Audi TT, N/A, with OE No. 058905291B
• Fits 2003-2006 Audi TT Quattro, N/A, with OE No. 058905291B
• Fits 2002-2005 Volkswagen Beetle, N/A, with OE No. 058905291B

What This Part Helps Address

• Vacuum leakage in the emission control circuit
• Loss of one-way vacuum retention
• Faulty vacuum routing caused by a worn check valve
• Driveability issues related to unstable vacuum supply
• Emission system warning conditions tied to vacuum control faults

Installation Notes and Tips

Verify the OE number 058905291B before installation to confirm application match. Inspect adjacent vacuum hoses and connectors for cracks, soft spots, or contamination so the replacement valve can operate correctly in the system.

Quality Assurance

VNE identifies this part as an OE supplier component, supporting OE-style fitment and function for the listed Audi and Volkswagen vehicles. Part number 4008056 is referenced for ordering and application verification.