Audi A4/A6, Volkswagen Passat ECU / ECM Wiring Harness / Pig Tail

This page covers one exact OEM part number. Every unit we stocked has sold.

We may be able to get another

Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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Specifications

Specifications for ECU / ECM Wiring Harness / Pig Tail
Fits Vehicle ModelA4, A6, Passat
Fits Vehicle MakeAudi, Volkswagen
Compatible OEM Part No 4D0-907-551-AH, 4D0-907-551-H, 4D0-907-551-E
CategoryWiring / Harness

Compatible Vehicles

Fits 31 vehicle configurations across 2 makes, 1996-2001.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A4 1996-2001 · 15 variants 11 with notes
  • A6 1998-2001 · 4 variants 4 with notes

Volkswagen

  • Passat 1998-2001 · 12 variants 12 with notes
View all 31 vehicle configurations 27 with fitment notes
Full vehicle fitment list for ECU / ECM Wiring Harness / Pig Tail
Year Make Model Trim Engine Note
1996 Audi A4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1997 Audi A4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1998 Audi A4 Wagon 2.8L V6
1998 Audi A4 Sedan 2.8L V6
1998 Audi A4 Quattro Wagon 2.8L V6
1998 Audi A4 Quattro Sedan 2.8L V6
1998 Audi A6 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1999 Audi A4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1999 Audi A4 Quattro Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
1999 Audi A4 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1999 Audi A6 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Audi A4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Audi A4 Quattro Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Audi A4 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Audi A6 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Audi A4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Audi A4 Quattro Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Audi A4 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Audi A6 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1998 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1998 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
1999 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
1999 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Volkswagen Passat 4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2000 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Volkswagen Passat 4 Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA
2001 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA

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