2017-2025 Audi / Porsche O2 / Oxygen Sensor (POST CAT) 8W0906265AC

OEM Part #: 8W0-906-265-AC (8W0906265AC)

Porsche Part #: 95890626520

$60.99
Used
Donor2018 Audi S5 SPORTBACK · 3.0L
SKU: 656863 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 2 in stock — no guaranteed restock
O2 / Oxygen Sensor (POST CAT) 8W0906265AC — Used (SKU 656863)
Genuine OEM Used SKU: 656863 Donor Vehicle: 2018 Audi S5 SPORTBACK · 3.0L 2 photos
$60.99
30-Day Returns
O2 / Oxygen Sensor (POST CAT) 8W0906265AC — Used (SKU 697728)
Genuine OEM Used SKU: 697728 Donor Vehicle: 2019 Porsche CAYENNE · 4.0L · 75k miles 2 photos
$61.99
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

A used genuine Audi O2 / Oxygen Sensor (post Cat) with OEM part number 8W0906265AC, also interchanging with Porsche 95890626520 and 8W0906265M. This post-catalyst sensor monitors exhaust oxygen levels after the catalytic converter to verify emissions control and converter efficiency. It's a common failure point when the check engine light illuminates for a lean or rich exhaust reading. This sensor fits multiple Audi models with 2.0L, 2.9L, and 3.0L turbocharged, supercharged, diesel, and hybrid engines, plus the Porsche Cayenne.

Specifications

Specifications for O2 / Oxygen Sensor (POST CAT) 8W0906265AC
Fits Vehicle ModelA6, A6 allroad, A7, A8, Cayenne, RS5, S4, S5, S6, S7, SQ5
Fits Vehicle MakeAudi, Porsche
OEM Part No8W0-906-265-AC (8W0906265AC)
Porsche Part No95890626520
Compatible OEM Part No 8W0-906-265-M
CategorySensors

Compatible Vehicles

Fits 133 vehicle configurations across 2 makes, 2017-2025.

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.

Audi

  • A6 2019-2025 · 7 variants 1 with note
  • A6 allroad 2020-2025 · 6 variants
  • A7 2019-2025 · 9 variants
  • A8 2020-2025 · 6 variants
  • RS5 2018-2025 · 12 variants
  • S4 2018-2025 · 8 variants 3 with notes
  • S5 2017-2025 · 23 variants 7 with notes
  • S6 2020-2025 · 6 variants
  • S7 2020-2025 · 6 variants
  • SQ5 2018-2025 · 8 variants 3 with notes

Porsche

  • Cayenne 2019-2024 · 42 variants 1 with note
View all 133 vehicle configurations 15 with fitment notes
Full vehicle fitment list for O2 / Oxygen Sensor (POST CAT) 8W0906265AC
Year Make Model Trim Engine Note
2022 Audi A6 allroad Wagon 3.0L V6 Turbo
2021 Audi S4 Sedan 3.0L V6 Turbo
2020 Audi A7 Hatchback 3.0L V6 Turbo
2020 Audi A6 Quattro Sedan 3.0L V6 Turbo
2019 Audi S5 Convertible 3.0L V6 Turbo
2019 Audi A7 Hatchback 3.0L V6 Turbo
2020 Audi S5 Convertible 3.0L V6 Turbo
2020 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2018 Audi S5 Convertible 3.0L V6 Turbo
2022 Audi A7 Hatchback 2.0L l4 Turbo
2022 Audi A6 Quattro Sedan 3.0L V6 Turbo
2020 Audi A6 allroad Wagon 3.0L V6 Turbo
2022 Audi S5 Convertible 3.0L V6 Turbo
2023 Audi A6 allroad Wagon 3.0L V6 Turbo
2023 Audi SQ5 SUV 3.0L V6 Turbo
2023 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2022 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2022 Audi S4 Sedan 3.0L V6 Turbo
2022 Audi S5 Hatchback 3.0L V6 Turbo
2022 Audi S5 Coupe 3.0L V6 Turbo
2025 Audi A6 allroad Wagon 3.0L V6 Turbo
2025 Audi RS5 Hatchback 2.9L V6 Turbo
2025 Audi S4 Sedan 3.0L V6 Turbo
2024 Audi S5 Hatchback 3.0L V6 Turbo
2024 Audi S5 Coupe 3.0L V6 Turbo
2024 Audi S5 Convertible 3.0L V6 Turbo
2024 Audi A7 Hatchback 3.0L V6 Turbo
2024 Audi A6 Quattro Sedan 3.0L V6 Turbo
2024 Audi A6 allroad Wagon 3.0L V6 Turbo
2024 Audi S4 Sedan 3.0L V6 Turbo
2024 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2024 Audi SQ5 SUV 3.0L V6 Turbo
2025 Audi S6 Sedan 2.9L V6 Turbo
2025 Audi S7 Hatchback 2.9L V6 Turbo
2025 Audi SQ5 SUV 3.0L V6 Turbo
2025 Audi S5 Hatchback 3.0L V6 Turbo
2021 Audi RS5 Hatchback 2.9L V6 Turbo
2021 Audi RS5 Coupe 2.9L V6 Turbo
2023 Audi S5 Hatchback 3.0L V6 Turbo
2023 Audi S7 Hatchback 2.9L V6 Turbo
2022 Audi S6 Sedan 2.9L V6 Turbo
2022 Audi RS5 Coupe 2.9L V6 Turbo
2022 Audi RS5 Hatchback 2.9L V6 Turbo
2022 Audi S7 Hatchback 2.9L V6 Turbo
2021 Audi S6 Sedan 2.9L V6 Turbo
2021 Audi S7 Hatchback 2.9L V6 Turbo
2020 Audi S7 Hatchback 2.9L V6 Turbo
2020 Audi S6 Sedan 2.9L V6 Turbo
2023 Audi S6 Sedan 2.9L V6 Turbo
2023 Audi S4 Sedan 3.0L V6 Turbo
2023 Audi S5 Coupe 3.0L V6 Turbo
2023 Audi S5 Convertible 3.0L V6 Turbo
2024 Audi S6 Sedan 2.9L V6 Turbo
2024 Audi S7 Hatchback 2.9L V6 Turbo
2024 Audi RS5 Hatchback 2.9L V6 Turbo
2024 Audi RS5 Coupe 2.9L V6 Turbo
2023 Audi RS5 Coupe 2.9L V6 Turbo
2023 Audi RS5 Hatchback 2.9L V6 Turbo
2020 Porsche Cayenne SUV 3.0L V6 Turbo
2020 Porsche Cayenne Coupe SUV 3.0L V6 Turbo
2019 Porsche Cayenne SUV 3.0L V6 Turbo To 02/24/2019
2023 Porsche Cayenne Turbo GT Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2021 Porsche Cayenne GTS SUV 4.0L V8 Turbo
2024 Porsche Cayenne Turbo GT Coupe SUV 4.0L V8 Turbo
2021 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2021 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2021 Porsche Cayenne S SUV 2.9L V6 Turbo
2023 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2024 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2021 Porsche Cayenne GTS Coupe SUV 4.0L V8 Turbo
2022 Porsche Cayenne S SUV 2.9L V6 Turbo
2024 Porsche Cayenne S Coupe SUV 4.0L V8 Turbo
2020 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2020 Porsche Cayenne S SUV 2.9L V6 Turbo
2020 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2020 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2020 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2020 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2019 Porsche Cayenne S SUV 2.9L V6 Turbo
2019 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2022 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2023 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2021 Porsche Cayenne S Coupe SUV 2.9L V6 Turbo
2023 Porsche Cayenne GTS Coupe SUV 4.0L V8 Turbo
2022 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2021 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2022 Porsche Cayenne Turbo GT Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne S SUV 2.9L V6 Turbo
2023 Porsche Cayenne GTS SUV 4.0L V8 Turbo
2021 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo S Coupe SUV 4.0L V8 Turbo
2024 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2023 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2022 Porsche Cayenne GTS Coupe SUV 4.0L V8 Turbo
2022 Porsche Cayenne GTS SUV 4.0L V8 Turbo
2024 Porsche Cayenne S SUV 4.0L V8 Turbo
2022 Porsche Cayenne Turbo S SUV 4.0L V8 Turbo
2022 Porsche Cayenne Turbo Coupe SUV 4.0L V8 Turbo
2022 Porsche Cayenne Turbo SUV 4.0L V8 Turbo
2019 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2019 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2020 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2020 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2019 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2020 Audi SQ5 SUV 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2019 Audi SQ5 SUV 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2020 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2019 Audi A6 Quattro Sedan 3.0L V6 Turbo For Vehicles With Production date Up To 09/03/18
2018 Audi RS5 Coupe 2.9L V6 Turbo
2021 Audi A7 Hatchback 3.0L V6 Turbo
2021 Audi A7 Hatchback 2.0L l4 Turbo
2021 Audi SQ5 SUV 3.0L V6 Turbo
2021 Audi S5 Hatchback 3.0L V6 Turbo
2021 Audi S5 Coupe 3.0L V6 Turbo
2021 Audi S5 Convertible 3.0L V6 Turbo
2021 Audi A6 Quattro Sedan 3.0L V6 Turbo
2021 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2021 Audi A6 allroad Wagon 3.0L V6 Turbo
2025 Audi A6 Quattro Sedan 3.0L V6 Turbo
2025 Audi A7 Hatchback 3.0L V6 Turbo
2025 Audi A8 Quattro L Sedan 3.0L V6 Turbo
2023 Audi A7 Hatchback 3.0L V6 Turbo
2023 Audi A6 Quattro Sedan 3.0L V6 Turbo
2022 Audi SQ5 SUV 3.0L V6 Turbo
2022 Audi A7 Hatchback 3.0L V6 Turbo
2018 Audi SQ5 SUV 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2017 Audi S5 Coupe 3.0L V6 Supercharged For Vehicles with Engine Code(s) CWGD
2019 Audi RS5 Hatchback 2.9L V6 Turbo
2019 Audi RS5 Coupe 2.9L V6 Turbo
2018 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2018 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD
2018 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Engine Code(s) CWGD

Ask a parts specialist

Asking about: O2 / Oxygen Sensor (POST CAT) 8W0906265AC · OEM #8W0906265AC