Audi A4/A5/RS5/S4/S5 Upper Control Arm (REARWARD) Front, Left 8W0407509B
OEM Part #: 8W0-407-509-B (8W0407509B)
This page covers one exact OEM part number. Every unit we stocked has sold.
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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Upper Control Arm that may fit your vehicle
Upper Control Arm
Upper Control Arm
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
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This rear upper control arm (OEM Part Number 8W0407509B) is an essential component for Audi A4, A5, S4, S5, and RS5 models from 2017 to 2023. Positioned on the left rear, it plays a critical role in maintaining suspension geometry and vehicle handling. Common issues resolved by replacing a worn or damaged upper control arm include reduced steering response, abnormal tire wear, and suspension noise. This part is also known as an upper link or suspension control arm, ensuring precise alignment and stability. Sourced directly from donor vehicles, this genuine OEM part guarantees the same quality and reliability as the original. Compatible with a range of vehicles, including Audi's MHEV variants, it’s perfect for restoring your vehicle’s performance.
Specifications
| Fits Vehicle Model | A4, A5, RS5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W0-407-509-B (8W0407509B) |
| Compatible OEM Part No | 8W0-407-509-A |
| Side | Front, Left |
| Category | Control Arms |
Compatible Vehicles
Fits 56 vehicle configurations across 1 make, 2017-2024.
View all 56 vehicle configurations — 10 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2017 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2017 | Audi | S5 | Coupe | 3.0L V6 Supercharged | For Vehicles With Production date Up To 08/27/18 |
| 2018 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2018 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2018 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2018 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2018 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2018 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2018 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2018 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2019 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2019 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2019 | Audi | A5 | Hatchback | 2.0L l4 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2019 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2019 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2019 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2019 | Audi | S5 | Coupe | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2019 | Audi | S5 | Hatchback | 3.0L V6 Turbo | For Vehicles With Production date Up To 08/27/18 |
| 2020 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2020 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2021 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2021 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2021 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2021 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2022 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2022 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2022 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2021 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2023 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2023 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2023 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2023 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2023 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2024 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2024 | Audi | RS5 | Coupe | 2.9L V6 Turbo | |
| 2024 | Audi | RS5 | Hatchback | 2.9L V6 Turbo | |
| 2024 | Audi | S4 | Sedan | 3.0L V6 Turbo | |
| 2024 | Audi | S5 | Convertible | 3.0L V6 Turbo |