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Delphi TBR4576 Rack and Pinion Bellows
| Brand | Delphi TBR4576 |
|---|---|
| Fits | Buick and Chevrolet · 33 vehicles |
OE-focused design. Delphi applies OE expertise to its aftermarket steering portfolio for accurate replacement fit.
Extreme testing. Validated through temperature cycling and 720 hours of salt spray exposure.
Dimensional analysis. Material and size checks help match the original steering component closely.
Cross-references 13286689 and 13354440 for the same application. See all 2.
Delphi Rack and Pinion Bellows
Delphi TBR4576 is a rack and pinion bellows built for steering systems that need a precise OE-style seal and fit. It is engineered for applications on Buick and Chevrolet models, including the Buick Regal, Buick LaCrosse, and Chevrolet Cruze.
Key Features
- OE-focused steering component from Delphi aftermarket steering portfolio
- Built using dimensional and material analysis for accurate fitment
- Tested for extreme temperature exposure from below -40 C to over 120 C
- Exposed to 720 hours of salt spray testing for corrosion resistance validation
- Fits Buick and Chevrolet applications with confirmed model-specific coverage
Detailed Description
The Delphi TBR4576 rack and pinion bellows is designed to protect steering rack components by helping keep contaminants out of the steering assembly while maintaining the correct OE-style geometry. Delphi applies its OE expertise to the aftermarket steering line, using dimensional and material analysis to match the original part as closely as possible. This part number, TBR4576, is listed for 2011-2016 Buick LaCrosse, 2012-2017 Buick Regal, 2012-2017 Buick Verano, 2014-2019 Chevrolet Impala, 2015-2016 Chevrolet Cruze, and 2016-2019 Buick Cascada. For buyers searching for a Buick Regal rack and pinion bellows or a Chevrolet Cruze steering rack boot, TBR4576 provides a direct replacement option within the confirmed fitment range. This part cross-references 13286689 and 13354440 for the same application.
What It Is Used For
- Replacing a torn or cracked steering rack boot
- Keeping dirt and moisture away from steering rack components
- Restoring a proper seal around the steering gear area
- Addressing steering boot wear found during suspension or steering service
Installation Notes and Quality Assurance
Verify fitment by year, make, and model before installation. Confirm the steering system application matches the listed coverage for TBR4576, especially on Buick LaCrosse, Buick Regal, and Chevrolet Cruze vehicles. Delphi validates this steering component through temperature cycling, salt spray exposure, and OE-focused dimensional analysis to support consistent aftermarket fit.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2019 | Buick | Cascada | — |
| 2019 | Chevrolet | Impala | — |
| 2018 | Buick | Cascada | — |
| 2018 | Chevrolet | Impala | — |
| 2017 | Buick | Cascada | — |
| 2017 | Buick | Regal | — |
| 2017 | Buick | Verano | — |
| 2017 | Chevrolet | Impala | — |
| 2016 | Buick | Cascada | — |
| 2016 | Buick | LaCrosse | — |
| 2016 | Buick | Regal | — |
| 2016 | Buick | Verano | — |
| 2016 | Chevrolet | Impala | — |
| 2015 | Buick | LaCrosse | — |
| 2015 | Buick | Regal | — |
| 2015 | Buick | Verano | — |
| 2015 | Chevrolet | Cruze | — |
| 2015 | Chevrolet | Impala | — |
| 2014 | Buick | LaCrosse | — |
| 2014 | Buick | Regal | — |
| 2014 | Buick | Verano | — |
| 2014 | Chevrolet | Cruze | — |
| 2014 | Chevrolet | Impala | — |
| 2013 | Buick | LaCrosse | — |
| 2013 | Buick | Regal | — |
| 2013 | Buick | Verano | — |
| 2013 | Chevrolet | Cruze | — |
| 2012 | Buick | LaCrosse | — |
| 2012 | Buick | Regal | — |
| 2012 | Buick | Verano | — |
| 2012 | Chevrolet | Cruze | — |
| 2011 | Buick | LaCrosse | — |
| 2011 | Chevrolet | Cruze | — |
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