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Delphi TBR4548 Rack and Pinion Bellows
| Brand | Delphi TBR4548 |
|---|---|
| Fits | Lexus, Scion, and Toyota · 46 vehicles |
OE-focused fit. Dimensional and material analysis supports accurate replacement matching.
Extreme-condition tested. Validated from below -40 C to over 120 C with salt spray exposure.
Steering protection. Helps seal and shield the rack area from contamination.
Cross-references Beck/Arnley 103-3085 and 45535-49015 for the same application. See all 2.
Rack and Pinion Bellows Overview
Delphi TBR4548 is a rack and pinion bellows built for steering systems that need a precise OE-style fit. It is engineered using Delphi’s aftermarket steering expertise and validated with durability testing for demanding temperature and corrosion exposure.
Key Features
- OE-focused dimensional and material analysis for accurate fitment.
- Tested for extreme temperatures from below -40 C to over 120 C.
- Exposed to 720 hours of salt spray for corrosion resistance validation.
- Designed for steering system protection and consistent bellows performance.
Detailed Description
This Delphi rack and pinion bellows, part number TBR4548, is intended for steering assemblies where the bellows must seal and protect the rack area from contamination. Delphi applies OE safety technology and aftermarket steering engineering to support compatibility between original equipment requirements and replacement fit. It is a direct match for applications including Fits 2016-2020 Toyota Mirai, Fits 2017-2018 Toyota Corolla iM, and Fits 2011-2017 Lexus CT200h. The TBR4548 also fits additional Toyota, Scion, and Lexus applications listed below, making it a fitment-based replacement for a wide range of vehicles.
What It Helps Solve
- Cracked or deteriorated steering bellows.
- Contamination entering the rack and pinion area.
- Loss of protective sealing around steering components.
- Fitment issues caused by poor dimensional matching.
Installation Notes and Tips
Verify the vehicle application against the full fitment list before installation. Inspect the steering rack, tie rod ends, and surrounding seals for wear before replacing the bellows. Confirm that the replacement bellows matches the original part shape and dimensions for proper sealing and movement.
Quality Assurance
Delphi uses OE-focused testing and material analysis to support aftermarket steering parts. The TBR4548 is evaluated for temperature extremes and salt spray exposure to help confirm durability in harsh operating conditions.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2020 | Toyota | Mirai | — |
| 2019 | Toyota | Mirai | — |
| 2018 | Toyota | Corolla iM | — |
| 2018 | Toyota | Mirai | — |
| 2017 | Lexus | CT200h | — |
| 2017 | Toyota | Corolla iM | — |
| 2017 | Toyota | Mirai | — |
| 2017 | Toyota | Prius V | — |
| 2016 | Lexus | CT200h | — |
| 2016 | Scion | iM | — |
| 2016 | Scion | tC | — |
| 2016 | Toyota | Mirai | — |
| 2016 | Toyota | Prius V | — |
| 2015 | Lexus | CT200h | — |
| 2015 | Scion | tC | — |
| 2015 | Scion | xB | — |
| 2015 | Toyota | Prius | — |
| 2015 | Toyota | Prius Plug-In | — |
| 2015 | Toyota | Prius V | — |
| 2014 | Lexus | CT200h | — |
| 2014 | Scion | tC | — |
| 2014 | Scion | xB | — |
| 2014 | Toyota | Prius | — |
| 2014 | Toyota | Prius Plug-In | — |
| 2014 | Toyota | Prius V | — |
| 2013 | Lexus | CT200h | — |
| 2013 | Scion | tC | — |
| 2013 | Scion | xB | — |
| 2013 | Toyota | Prius | — |
| 2013 | Toyota | Prius Plug-In | — |
| 2013 | Toyota | Prius V | — |
| 2012 | Lexus | CT200h | — |
| 2012 | Lexus | HS250h | — |
| 2012 | Scion | tC | — |
| 2012 | Scion | xB | — |
| 2012 | Toyota | Prius | — |
| 2012 | Toyota | Prius Plug-In | — |
| 2012 | Toyota | Prius V | — |
| 2011 | Lexus | CT200h | — |
| 2011 | Lexus | HS250h | — |
| 2011 | Scion | tC | — |
| 2011 | Scion | xB | — |
| 2011 | Toyota | Prius | — |
| 2010 | Lexus | HS250h | — |
| 2010 | Scion | xB | — |
| 2010 | Toyota | Prius | — |
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