HomeEmission Control > Vacuum SystemStandard Ignition DV171 Diverter Valve
Part #: DV171

Standard Ignition DV171 Diverter Valve

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, and Passat
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Overview of Standard Ignition Diverter Valve DV171

The Standard Ignition DV171 diverter valve is designed for emission control systems in select Audi and Volkswagen vehicles. This component features a two-port design, ensuring proper vacuum system operation for models like the Audi A4, A4 Quattro, and Volkswagen Passat.

  • Compatible with Audi A4, A4 Quattro, and Volkswagen Passat
  • Two-port diverter valve for efficient vacuum system control
  • Part number DV171 for precise identification
  • Designed to maintain emission control system integrity

Technical Details and Attributes

The DV171 diverter valve from Standard Ignition is engineered with a port quantity of two, which is critical for managing vacuum flow within the emission control system. This two-port configuration allows the valve to regulate pressure and vacuum effectively, contributing to the proper functioning of the vehicle’s emission components. The part is specifically designed to meet the requirements of Audi and Volkswagen models, including the A4, A4 Quattro, and Passat, ensuring compatibility and reliable performance.

Function and Application

This diverter valve plays a key role in the emission control vacuum system by diverting vacuum pressure as needed to optimize engine performance and reduce emissions. It is commonly used to address issues such as:

  • Irregular engine idling or stalling
  • Check engine light triggered by emission system faults
  • Reduced fuel efficiency due to vacuum leaks
  • Unstable vacuum pressure affecting emission controls
  • Failed emissions tests related to vacuum system malfunctions

Installation Notes and Tips

When installing the Standard Ignition DV171 diverter valve, ensure the vehicle is compatible by verifying the make and model—Audi A4, A4 Quattro, or Volkswagen Passat. Properly disconnect the vacuum lines and replace the valve without forcing connections to avoid damage. It is recommended to inspect surrounding vacuum hoses for wear or cracks during installation to maintain system integrity.

Quality Assurance and Warranty

Standard Ignition parts, including the DV171 diverter valve, are manufactured to meet OEM specifications for fit and function. This part undergoes quality control testing to ensure durability and performance within the emission control system. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000AudiA41.8LL4N/A
2000AudiA4 Quattro1.8LL4N/A
2000VolkswagenPassat1.8LL4N/A
1999VolkswagenPassat1.8LL4N/A
1998VolkswagenPassat1.8LL4N/A

* 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:

058131101B2-394864V128972256042073-3508DV156EC6050V10-66-0019

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