HomeEmission Control > Vacuum SystemVNE 4008172 Diverter Valve
Part #: 4008172

VNE 4008172 Diverter Valve

33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, A4, TT, TT Quattro, A4 Quattro, Passat, and RS6
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OE Supplier Diverter Valve for Audi and Volkswagen

VNE 4008172 is an emission control vacuum system diverter valve built for direct replacement on select turbocharged Audi and Volkswagen applications. It is listed as an OE supplier part and cross-references OE number 06A145710P for the same application.

Key Features

  • Emission control vacuum system diverter valve
  • OE supplier replacement for factory-style fit and function
  • Direct cross-reference to OE No. 06A145710P
  • Fits select Audi A4, TT, TT Quattro, RS6, and Volkswagen Passat applications
  • Part number 4008172 for ordering and verification

Detailed Description

VNE 4008172 is a diverter valve used in the emission control vacuum system on specific Audi and Volkswagen models. As an OE supplier part, it is intended to match the original application requirements for vehicles equipped with OE No. 06A145710P. This part number 4008172 is a practical choice when replacing a worn or malfunctioning diverter valve on turbocharged Audi A4, Audi TT, Audi TT Quattro, Audi RS6, and Volkswagen Passat models.

Compatible With: Fits 1999-2006 Audi A4, N/A; Fits 2003-2006 Audi TT, N/A; Fits 2003-2006 Audi TT Quattro, N/A; Fits 1999-2005 Audi A4 Quattro, N/A; Fits 1998-2005 Volkswagen Passat, N/A; Fits 2003-2004 Audi RS6, N/A.

Common Issues This Part May Address

  • Boost pressure loss caused by a leaking diverter valve
  • Rough turbo response during acceleration
  • Vacuum-related drivability concerns in the emission control system
  • Check engine light conditions tied to diverter valve performance
  • Inconsistent pressure relief in turbocharged intake operation

Installation Notes and Tips

Verify the OE number 06A145710P and confirm vehicle fitment before installation. This diverter valve is listed for N/A position applications, so match the original part location and configuration on the vehicle. Inspect surrounding vacuum hoses and related components during replacement to help ensure proper system operation.

Quality Assurance

VNE identifies this part as an OE supplier component, indicating it is built to original-equipment application standards for the listed vehicles. Use the part number 4008172 and OE reference 06A145710P to confirm the correct replacement before purchase.

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006AudiA41.8LL4GASN/Awith OE No. 06A145710P
2006AudiTT1.8LL4GASN/Awith OE No. 06A145710P
2006AudiTT Quattro1.8LL4GASN/Awith OE No. 06A145710P
2005AudiA41.8LL4GASN/Awith OE No. 06A145710P
2005AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
2005AudiTT1.8LL4GASN/Awith OE No. 06A145710P
2005AudiTT Quattro1.8LL4GASN/Awith OE No. 06A145710P
2005VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
2004AudiA41.8LL4GASN/Awith OE No. 06A145710P
2004AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
2004AudiRS64.2LV8GASN/Awith OE No. 06A145710P
2004AudiTT1.8LL4GASN/Awith OE No. 06A145710P
2004AudiTT Quattro1.8LL4GASN/Awith OE No. 06A145710P
2004VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
2003AudiA41.8LL4GASN/Awith OE No. 06A145710P
2003AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
2003AudiRS64.2LV8GASN/Awith OE No. 06A145710P
2003AudiTT1.8LL4GASN/Awith OE No. 06A145710P
2003AudiTT Quattro1.8LL4GASN/Awith OE No. 06A145710P
2003VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
2002AudiA41.8LL4GASN/Awith OE No. 06A145710P
2002AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
2002VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
2001AudiA41.8LL4GASN/Awith OE No. 06A145710P
2001AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
2001VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
2000AudiA41.8LL4GASN/Awith OE No. 06A145710P
2000AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
2000VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
1999AudiA41.8LL4GASN/Awith OE No. 06A145710P
1999AudiA4 Quattro1.8LL4GASN/Awith OE No. 06A145710P
1999VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P
1998VolkswagenPassat1.8LL4GASN/Awith OE No. 06A145710P

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

06A145710P

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.