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Delphi TC4811 Lateral Arm - Rear Left Upper Rearward
| Brand | Delphi TC4811 |
|---|---|
| Position | Rear Left Upper Rearward |
| Fits | Audi · 64 vehicles |
OE-focused fit. Dimensional and material analysis helps match the original suspension geometry.
Extreme-condition tested. Validated from below -40 degrees C to over 120 degrees C and 720 hours of salt spray.
Suspension replacement. A lateral arm for restoring rear suspension alignment and handling response.
Cross-references Dorman - OE Solutions 526-577, Suspensia X01LA0139 and 8W0 505 397 C for the same application. See all 5.
OE-Style Rear Suspension Arm
Delphi TC4811 is a rear left upper rearward lateral arm built for Audi suspension applications that require precise geometry and OE-style fit. It is engineered with Delphi's aftermarket steering and suspension expertise to match the dimensional and material requirements of the original part.
Key Features
- Rear left upper rearward lateral arm for direct suspension replacement
- OE-focused dimensional and material analysis for accurate fitment
- Tested for temperature extremes from below -40 degrees C to over 120 degrees C
- Exposed to 720 hours of salt spray for corrosion resistance validation
- Compatible with Audi A4, A4 allroad, A4 Quattro, A5 Quattro, A5 Sportback, RS5, RS5 Sportback, S4, and S5 applications
Detailed Description
Delphi TC4811 is a suspension lateral arm designed for the rear left upper rearward position on select Audi platforms. It serves as a replacement for worn or damaged suspension linkage that can affect alignment stability, handling response, and ride quality. This part cross-references Dorman - OE Solutions 526-577 for the same application. Delphi TC4811 is also referenced by OE numbers 8W0 505 397 C, 8W0 505 397 E, and 8W0505397F, and it is used across Audi A4, A4 allroad, A4 Quattro, A5 Quattro, A5 Sportback, RS5, RS5 Sportback, S4, and S5 fitments.
What It Is Used For
- Restoring suspension geometry after arm wear or damage
- Addressing looseness or play in the rear suspension linkage
- Correcting alignment issues caused by a fatigued lateral arm
- Reducing noise from worn suspension pivot points
- Supporting stable handling on Audi A4 and Audi S5 platform vehicles
Installation Notes and Tips
Fits 2017-2024 Audi A4 allroad, rear left upper rearward; 2016-2024 Audi A4 Quattro, rear left upper rearward; 2018-2024 Audi A5 Quattro, rear left upper rearward; 2018-2024 Audi A5 Sportback, rear left upper rearward; 2021-2023 Audi RS5, rear left upper rearward; 2018-2019 Audi RS5, rear left upper rearward; 2021-2023 Audi RS5 Sportback, rear left upper rearward; 2019 Audi RS5 Sportback, rear left upper rearward; 2018-2023 Audi S4, rear left upper rearward; 2016 Audi S4, rear left upper rearward; 2018-2023 Audi S5, rear left upper rearward; 2018-2023 Audi S5 Sportback, rear left upper rearward; 2016-2020 Audi A4, rear left upper rearward. Verify suspension position and OE reference before installation to confirm the correct application for the vehicle.
Quality Assurance
Delphi applies OE-focused engineering, dimensional analysis, and material validation to its aftermarket steering and suspension parts. TC4811 is tested for extreme temperature exposure and salt spray resistance to support consistent performance in demanding conditions.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2024 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2024 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2024 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2024 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2023 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2023 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2023 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2023 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2023 | Audi | RS5 | Rear Left Upper Rearward | — |
| 2023 | Audi | RS5 Sportback | Rear Left Upper Rearward | — |
| 2023 | Audi | S4 | Rear Left Upper Rearward | — |
| 2023 | Audi | S5 | Rear Left Upper Rearward | — |
| 2023 | Audi | S5 Sportback | Rear Left Upper Rearward | — |
| 2022 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2022 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2022 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2022 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2022 | Audi | RS5 | Rear Left Upper Rearward | — |
| 2022 | Audi | RS5 Sportback | Rear Left Upper Rearward | — |
| 2022 | Audi | S4 | Rear Left Upper Rearward | — |
| 2022 | Audi | S5 | Rear Left Upper Rearward | — |
| 2022 | Audi | S5 Sportback | Rear Left Upper Rearward | — |
| 2021 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2021 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2021 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2021 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2021 | Audi | RS5 | Rear Left Upper Rearward | — |
| 2021 | Audi | RS5 Sportback | Rear Left Upper Rearward | — |
| 2021 | Audi | S4 | Rear Left Upper Rearward | — |
| 2021 | Audi | S5 | Rear Left Upper Rearward | — |
| 2021 | Audi | S5 Sportback | Rear Left Upper Rearward | — |
| 2020 | Audi | A4 | Rear Left Upper Rearward | — |
| 2020 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2020 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2020 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2020 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2020 | Audi | S4 | Rear Left Upper Rearward | — |
| 2020 | Audi | S5 | Rear Left Upper Rearward | — |
| 2020 | Audi | S5 Sportback | Rear Left Upper Rearward | — |
| 2019 | Audi | A4 | Rear Left Upper Rearward | — |
| 2019 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2019 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2019 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2019 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2019 | Audi | RS5 | Rear Left Upper Rearward | — |
| 2019 | Audi | RS5 Sportback | Rear Left Upper Rearward | — |
| 2019 | Audi | S4 | Rear Left Upper Rearward | — |
| 2019 | Audi | S5 | Rear Left Upper Rearward | — |
| 2019 | Audi | S5 Sportback | Rear Left Upper Rearward | — |
| 2018 | Audi | A4 | Rear Left Upper Rearward | — |
| 2018 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2018 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2018 | Audi | A5 Quattro | Rear Left Upper Rearward | — |
| 2018 | Audi | A5 Sportback | Rear Left Upper Rearward | — |
| 2018 | Audi | RS5 | Rear Left Upper Rearward | — |
| 2018 | Audi | S4 | Rear Left Upper Rearward | — |
| 2018 | Audi | S5 | Rear Left Upper Rearward | — |
| 2018 | Audi | S5 Sportback | Rear Left Upper Rearward | — |
| 2017 | Audi | A4 | Rear Left Upper Rearward | — |
| 2017 | Audi | A4 allroad | Rear Left Upper Rearward | — |
| 2017 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2016 | Audi | A4 | Rear Left Upper Rearward | — |
| 2016 | Audi | A4 Quattro | Rear Left Upper Rearward | — |
| 2016 | Audi | S4 | Rear Left Upper Rearward | — |
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