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Delphi TBR4541 Rack and Pinion Bellows
| Brand | Delphi TBR4541 |
|---|---|
| Fits | Audi · 69 vehicles |
OE expertise. Applied to aftermarket steering parts for OE-level performance and compatibility.
Extreme testing. Withstands temperatures below -40Β°C and above 120Β°C, plus 720 hours of salt spray.
Bellows design. Protects steering components with a flexible rack and pinion bellows.
Cross-references Beck/Arnley 103-3085 and 8W0 423 831 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE-Style Steering Bellows for Audi Applications
Delphi TBR4541 is a rack and pinion bellows built for steering systems on select Audi models. It uses Delphi OE engineering and material analysis to support proper fit and durability in demanding undercar conditions.
- Rack and pinion bellows for steering gear protection
- OE-based dimensional and material analysis for fit consistency
- Tested for temperature extremes below -40 C and above 120 C
- Exposed to 720 hours of salt spray testing for corrosion resistance validation
- Compatible with select Audi A4, A4 allroad, A5, S4, S5, and RS5 applications
Detailed Product Overview
Delphi TBR4541 is a steering rack bellows designed to protect the rack and pinion assembly from dirt, moisture, and road debris while maintaining the correct steering system geometry. Delphi applies OE-focused expertise to its aftermarket steering portfolio, using dimensional and material checks to help ensure the part matches the original application. This part cross-references Beck/Arnley 103-3085 for the same application.
Fits 2017-2025 Audi A4 allroad, N/A. Fits 2017-2025 Audi A4 Quattro, N/A. Fits 2018-2025 Audi A5 Sportback, N/A. Fits 2018-2025 Audi S5 Sportback, N/A. Fits 2018-2024 Audi A5 Quattro, N/A. Fits 2021-2024 Audi RS5, N/A. Fits 2018-2019 Audi RS5, N/A. Fits 2021-2024 Audi RS5 Sportback, N/A. Fits 2019 Audi RS5 Sportback, N/A. Fits 2018-2024 Audi S5, N/A. Fits 2018-2023 Audi S4, N/A. Fits 2017-2020 Audi A4, N/A.
Common Steering Issues It Can Address
- Cracked or torn rack and pinion bellows
- Contamination entering the steering rack area
- Loss of protection around the steering gear boot
- Noise or wear caused by exposed steering components
- Fitment problems from an incorrect OE-style replacement
Installation Notes and Tips
Verify the vehicle application by year, model, and steering configuration before installation. Inspect the steering rack, tie rod ends, and adjacent seals for wear or damage while the bellows is removed. Confirm the bellows seats correctly at both ends so the steering gear remains protected after service.
Quality Assurance
Delphi validates this steering component through extreme-temperature testing and extended salt spray exposure, along with OE-based dimensional and material analysis. That process supports consistent fit and performance for Audi A4, Audi A5, Audi S4, Audi S5, and Audi RS5 steering applications.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2025 | Audi | A4 allroad | — |
| 2025 | Audi | A4 Quattro | — |
| 2025 | Audi | A5 Sportback | — |
| 2025 | Audi | S5 Sportback | — |
| 2024 | Audi | A4 allroad | — |
| 2024 | Audi | A4 Quattro | — |
| 2024 | Audi | A5 Quattro | — |
| 2024 | Audi | A5 Sportback | — |
| 2024 | Audi | RS5 | — |
| 2024 | Audi | RS5 Sportback | — |
| 2024 | Audi | S5 | — |
| 2024 | Audi | S5 Sportback | — |
| 2023 | Audi | A4 allroad | — |
| 2023 | Audi | A4 Quattro | — |
| 2023 | Audi | A5 Quattro | — |
| 2023 | Audi | A5 Sportback | — |
| 2023 | Audi | RS5 | — |
| 2023 | Audi | RS5 Sportback | — |
| 2023 | Audi | S4 | — |
| 2023 | Audi | S5 | — |
| 2023 | Audi | S5 Sportback | — |
| 2022 | Audi | A4 allroad | — |
| 2022 | Audi | A4 Quattro | — |
| 2022 | Audi | A5 Quattro | — |
| 2022 | Audi | A5 Sportback | — |
| 2022 | Audi | RS5 | — |
| 2022 | Audi | RS5 Sportback | — |
| 2022 | Audi | S4 | — |
| 2022 | Audi | S5 | — |
| 2022 | Audi | S5 Sportback | — |
| 2021 | Audi | A4 allroad | — |
| 2021 | Audi | A4 Quattro | — |
| 2021 | Audi | A5 Quattro | — |
| 2021 | Audi | A5 Sportback | — |
| 2021 | Audi | RS5 | — |
| 2021 | Audi | RS5 Sportback | — |
| 2021 | Audi | S4 | — |
| 2021 | Audi | S5 | — |
| 2021 | Audi | S5 Sportback | — |
| 2020 | Audi | A4 | — |
| 2020 | Audi | A4 allroad | — |
| 2020 | Audi | A4 Quattro | — |
| 2020 | Audi | A5 Quattro | — |
| 2020 | Audi | A5 Sportback | — |
| 2020 | Audi | S4 | — |
| 2020 | Audi | S5 | — |
| 2020 | Audi | S5 Sportback | — |
| 2019 | Audi | A4 | — |
| 2019 | Audi | A4 allroad | — |
| 2019 | Audi | A4 Quattro | — |
| 2019 | Audi | A5 Quattro | — |
| 2019 | Audi | A5 Sportback | — |
| 2019 | Audi | RS5 | — |
| 2019 | Audi | RS5 Sportback | — |
| 2019 | Audi | S4 | — |
| 2019 | Audi | S5 | — |
| 2019 | Audi | S5 Sportback | — |
| 2018 | Audi | A4 | — |
| 2018 | Audi | A4 allroad | — |
| 2018 | Audi | A4 Quattro | — |
| 2018 | Audi | A5 Quattro | — |
| 2018 | Audi | A5 Sportback | — |
| 2018 | Audi | RS5 | — |
| 2018 | Audi | S4 | — |
| 2018 | Audi | S5 | — |
| 2018 | Audi | S5 Sportback | — |
| 2017 | Audi | A4 | — |
| 2017 | Audi | A4 allroad | — |
| 2017 | Audi | A4 Quattro | — |
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