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.

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

Specifications for Upper Control Arm (REARWARD) 4N0505398A
Fits Vehicle ModelA6, A8, S6, S8
Fits Vehicle MakeAudi
OEM Part No4N0-505-398-A (4N0505398A)
SideRear, Right
CategoryControl Arms

Compatible Vehicles

Fits 31 vehicle configurations across 1 make, 2019-2024.

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.

Audi

  • A6 2019-2024 · 12 variants 8 with notes
  • A8 2019-2024 · 9 variants
  • S6 2020-2024 · 5 variants 3 with notes
  • S8 2020-2024 · 5 variants
View all 31 vehicle configurations 11 with fitment notes
Full vehicle fitment list for Upper Control Arm (REARWARD) 4N0505398A
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

Ask a parts specialist

Asking about: Upper Control Arm (REARWARD) 4N0505398A · OEM #4N0505398A