2008-2015 Audi R8 Door Wiring Harness Front, Left 420971029L
OEM Part #: 420-971-029-L (420971029L)
Actual photo
The exact part you’ll receive — not a stock photo.
$39.99
Side: Front, Left
Used
Donor2012 Audi R8 · 4.2L · 41k miles
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Genuine OEM Used
SKU: 571094
Donor Vehicle: 2012 Audi R8 · 4.2L · 41k miles
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$39.99
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Audi R8 front left door wiring harness, OEM part number 420971029L, is a used genuine component. This harness replaces several earlier versions in the 420971029 series, including 420971029C and 420971029J, among others. It manages electrical connections for the driver’s door — windows, locks, mirrors, and speakers. When wires fatigue or chafe, symptoms include intermittent power window operation, door lock failure, or speaker dropout. Sourced from an R8 donor, this is a direct fit for models with the 4.2L V8 or 5.2L V10 naturally aspirated engines.
Specifications
| Fits Vehicle Model | R8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 420-971-029-L (420971029L) |
| Compatible OEM Part No | 420-971-029-C, 420-971-029-H, 420-971-029-J, 420-971-029-K, 420-971-029, 420-971-029-A, 420-971-029-B |
| Side | Front, Left |
| Category | Door Parts |
Compatible Vehicles
Fits 16 vehicle configurations across 1 make, 2008-2015.
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 16 vehicle configurations — 8 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2015 | Audi | R8 | Coupe | 4.2L V8 | |
| 2011 | Audi | R8 | Coupe | 5.2L V10 | |
| 2010 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles with Production Date After 03/01/10 |
| 2012 | Audi | R8 | GT Coupe | 5.2L V10 | For Vehicles with Production Date After 03/01/10 |
| 2009 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles With Production date Up To 02/28/10 |
| 2011 | Audi | R8 | Spyder Convertible | 5.2L V10 | For Vehicles With Production date Up To 02/28/10 |
| 2015 | Audi | R8 | Coupe | 5.2L V10 | |
| 2014 | Audi | R8 | Coupe | 5.2L V10 | |
| 2014 | Audi | R8 | Coupe | 4.2L V8 | |
| 2012 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles with Production Date After 03/01/10 |
| 2011 | Audi | R8 | Spyder Convertible | 4.2L V8 | For Vehicles With Production date Up To 02/28/10 |
| 2011 | Audi | R8 | Coupe | 4.2L V8 | |
| 2010 | Audi | R8 | Coupe | 4.2L V8 | |
| 2009 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles With Production date Up To 02/28/10 |
| 2008 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles With Production date Up To 02/28/10 |