2017-2024 Audi A4/A5/Q5/Q5 PHEV O2 / Oxygen Sensor (POST CAT) 8W0906265AQ
OEM Part #: 8W0-906-265-AQ (8W0906265AQ)
Actual photo
The exact part you’ll receive — not a stock photo.
$14.99
Used
Donor2021 Audi A5 · 2.0L · 35k miles
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Genuine OEM Used
SKU: 607070
Donor Vehicle: 2021 Audi A5 · 2.0L · 35k miles
3 photos
HAS A BROKEN PLUG MOUNT, SEE PICTURES
$14.99
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Genuine OEM Used
SKU: 536070
Donor Vehicle: 2022 Audi A4 · 2.0L · 11k miles
2 photos
$15.99
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Genuine OEM Used
SKU: 594031
Donor Vehicle: 2023 Audi Q5 · 2.0L · 31k miles
2 photos
$15.99
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Genuine OEM Used
SKU: 575960
Donor Vehicle: 2022 Audi Q5 · 2.0L · 36k miles
2 photos
$15.99
30-Day Returns
Genuine OEM Used
SKU: 617198
Donor Vehicle: 2023 Audi Q5 · 2.0L · 30k miles
2 photos
$17.49
30-Day Returns
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This used OEM Audi 8W0906265AQ O2 / Oxygen Sensor (post Cat) monitors exhaust efficiency after the catalytic converter on 2.0L turbocharged engines (including EA888 evo4 variants with MHEV/PHEV). A failing post-cat oxygen sensor can trigger the check engine light, reduce fuel economy, or cause an emissions test failure.
Specifications
| Fits Vehicle Model | A4, A5, Q5, Q5 PHEV |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W0-906-265-AQ (8W0906265AQ) |
| Category | Exhaust |
Compatible Vehicles
Fits 47 vehicle configurations across 1 make, 2017-2024.
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 47 vehicle configurations — 6 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2023 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2022 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2021 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2023 | Audi | Q5 PHEV | SUV | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 08/10/20 |
| 2024 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 08/10/20 |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2023 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 08/10/20 |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 08/10/20 |
| 2019 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 08/10/20 |
| 2023 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2020 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2018 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2020 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 08/10/20 |
| 2019 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Hatchback | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | Q5 | SUV | 2.0L l4 Turbo | |
| 2018 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | |
| 2017 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo |