Audi A4/A5/RS5/S4/S5 Upper Control Arm (REARWARD) Front, Left 8W0407509A
OEM Part #: 8W0-407-509-A (8W0407509A)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
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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The rearward upper control arm for select Audi models, with OEM part numbers 8W0407509B and 8W0407509A, is an integral component located at the front-left part of the vehicle’s suspension system. This control arm connects the chassis to the wheel assembly, allowing for precise handling and stability during driving. It interfaces with components such as the strut assembly and steering knuckles, playing a crucial role in maintaining proper wheel alignment. Common issues that necessitate replacement include wear, bending, or complete failure, which can lead to poor handling, uneven tire wear, or noise during operation. This part is compatible with Audi A4, A4 Quattro, A5 Quattro, S5, S4, A5 Sportback, RS5 Sportback, and RS5 models from 2017 to 2024.
Specifications
| Fits Vehicle Model | A4, A5, RS5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8W0-407-509-A (8W0407509A) |
| Compatible OEM Part No | 8W0-407-509-B |
| 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 |