Audi A6/A8/S6/S8 Upper Control Arm (REARWARD) Rear, Right 4N0505398A
OEM Part #: 4N0-505-398-A (4N0505398A)
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 (FORWARD)
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
Upper Control Arm (FORWARD)
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
The upper control arm (rearward) is an essential component for maintaining the suspension geometry of your Audi, ensuring optimal handling and ride quality. This factory-original part, with OEM part number 4N0505398A, is compatible with the 2019-2024 Audi A6 Quattro, A7 Sportback, A8 Quattro, S6, S7 Sportback, and S8 models. Positioned on the rear right side, it connects the suspension to the chassis, providing stability and support. Common issues this part addresses include poor alignment, excessive tire wear, and compromised handling due to a worn-out or damaged control arm. Also known as the rear arm, this part guarantees your vehicle's precise functionality and performance, sourced directly from salvage vehicles for guaranteed authenticity. The upper control arm (rearward) is pivotal in maintaining your Audi’s suspension system, bolstering stability and handling. This genuine OEM part is marked with the part number 4N0505398A and is suitable for the 2019-2024 Audi A6 Quattro, A7 Sportback, A8 Quattro, S6, S7 Sportback, and S8 models. Located on the rear right side, it plays a critical role in linking the wheel assembly with the vehicle's frame, thus ensuring proper wheel alignment and suspension functionality. Symptoms of a failing control arm include unequal tire wear and a decrease in ride quality. Recognized by alternative names such as rear arm, this component is reliably sourced from donor vehicles, assuring its originality and compatibility. This rearward upper control arm is designed to maintain precise suspension geometry, contributing to impeccable handling in your Audi. With OEM part number 4N0505398A, this component fits various models, including the 2019-2024 Audi A6 Quattro, A7 Sportback, A8 Quattro, S6, S7 Sportback, and S8. The control arm's location on the rear right side is critical for connecting the suspension components to the vehicle chassis. It resolves common problems associated with poor alignment and handling due to worn or damaged parts. Known interchangeably as the rear arm, this genuine part, salvaged from original vehicles, ensures optimal performance and reliability.
Specifications
| Fits Vehicle Model | A6, A8, S6, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4N0-505-398-A (4N0505398A) |
| Side | Rear, Right |
| Category | Control Arms |
Compatible Vehicles
Fits 31 vehicle configurations across 1 make, 2019-2024.
View all 31 vehicle configurations — 11 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 11/02/20 |
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles With Production date Up To 11/02/20 |
| 2019 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2019 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2020 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2020 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2020 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2020 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2020 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2021 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | |
| 2021 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | S6 | Sedan | 2.9L V6 Turbo | |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2022 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2022 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2022 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2022 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2022 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2023 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2023 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2023 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2023 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2023 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2024 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2024 | Audi | A6 | Quattro Sedan | 3.0L V6 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2024 | Audi | A8 | Quattro L Sedan | 3.0L V6 Turbo | |
| 2024 | Audi | S6 | Sedan | 2.9L V6 Turbo | For Vehicles with Production Date After 11/02/20 |
| 2024 | Audi | S8 | Sedan | 4.0L V8 Turbo |