2003-2010 Audi A8/S8 Main Fuse / Relay Box / Bracket 4E0971845
OEM Part #: 4E0-971-845 (4E0971845)
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$12.49
Used
Donor2005 Audi A8 · 4.2L
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Genuine OEM Used
SKU: 134536
Donor Vehicle: 2005 Audi A8 · 4.2L
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$12.49
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This used OEM Audi main fuse/relay box with bracket, part number 4E0971845, distributes power and houses relays for critical electrical systems in the A8 Quattro and S8. It mounts securely using the integrated bracket and accommodates the 4.2L V8, 5.2L V10, and 6.0L W12 engines. When the relay box fails, symptoms include dead circuits, non-functioning accessories, or relays that fail to click.
Specifications
| Fits Vehicle Model | A8, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4E0-971-845 (4E0971845) |
| Category | Battery / Charging / Starting |
Compatible Vehicles
Fits 23 vehicle configurations across 1 make, 2003-2010.
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 23 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2009 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2009 | Audi | S8 | Sedan | 5.2L V10 | |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2008 | Audi | S8 | Sedan | 5.2L V10 | |
| 2008 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2003 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2007 | Audi | S8 | Sedan | 5.2L V10 | |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2010 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2006 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2010 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2003 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro L Sedan | 6.0L W12 |