2003-2004 Volkswagen Passat Door Wiring Harness Front, Right 3B0971121AS
OEM Part #: 3B0-971-121-AS (3B0971121AS)
Actual photo
The exact part you’ll receive — not a stock photo.
$17.49
Side: Front, Right
Used
Donor2003 Volkswagen PASSAT · 4.0L
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Genuine OEM Used
SKU: 231310
Donor Vehicle: 2003 Volkswagen PASSAT · 4.0L
2 photos
$17.49
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Genuine OEM Used
SKU: 702450
Donor Vehicle: 2003 Volkswagen PASSAT · 2.8L
2 photos
$19.49
30-Day Returns
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This used OEM Volkswagen door wiring harness, part number 3B0971121AS (also replaces 3B0971121AR), is from a donor Passat. It carries power and signals for front right door functions like windows, locks, and mirrors. Common failure points are broken wires inside the door jamb, causing intermittent window or lock operation. This harness fits Passat models equipped with 1.8L turbo, 2.0L diesel, 2.8L V6, or 4.0L W8 engines.
For vehicles with the MONSOON sound system.
Specifications
| Fits Vehicle Model | Passat |
| Fits Vehicle Make | Volkswagen |
| OEM Part No | 3B0-971-121-AS (3B0971121AS) |
| Compatible OEM Part No | 3B0-971-121-AR |
| Side | Front, Right |
| Category | Wiring / Harness |
Compatible Vehicles
Fits 20 vehicle configurations across 1 make, 2003-2004.
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.
View all 20 vehicle configurations — 20 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2003 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2004 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2003 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2004 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2004 | Volkswagen | Passat | Sedan | 4.0L W8 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2004 | Volkswagen | Passat | Wagon | 4.0L W8 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2003 | Volkswagen | Passat | Wagon | 4.0L W8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2003 | Volkswagen | Passat | Sedan | 4.0L W8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2004 | Volkswagen | Passat | Wagon | 2.0L l4 Diesel Turbo | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2004 | Volkswagen | Passat | Sedan | 2.0L l4 Diesel Turbo | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2004 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2004 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2003 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2004 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2003 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2004 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2003 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |
| 2004 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2004 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 160000 |
| 2003 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 350001 |