2004-2007 Audi A8 Oxygen O2 Sensor - Pre Cat Upstream Left 077906265AB
OEM Part #: 077-906-265-AB (077906265AB)
Actual photo
The exact part you’ll receive — not a stock photo.
$18.99
Side: Left
Used
Donor2004 Audi A8 · 4.2L
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Genuine OEM Used
SKU: 242136
Donor Vehicle: 2004 Audi A8 · 4.2L
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$18.99
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Audi Oxygen O2 Sensor – Pre Cat Upstream OEM 077906265AB, a used genuine part for the left bank. This upstream sensor monitors exhaust gases before the catalytic converter on Audi A8 Quattro models equipped with either the 4.2L 4163CC or 4172CC V8 (naturally aspirated). A failing pre-cat O2 sensor often triggers a check engine light, causes poor fuel economy, or leads to a rough idle.
Specifications
| Fits Vehicle Model | A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 077-906-265-AB (077906265AB) |
| Side | Left |
| Category | Exhaust |
Compatible Vehicles
Fits 7 vehicle configurations across 1 make, 2004-2007.
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 7 vehicle configurations — 7 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM, BGK |