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SKP SK5474821 Power Brake Booster
| Brand | SKP SK5474821 |
|---|---|
| Fits | Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab · 31 vehicles |
OE-spec fit. Built to match original equipment dimensions and function.
Durable construction. Made from quality materials for dependable braking support.
Brake assist restored. Multiples pedal force for smoother stopping performance.
Cross-references Quality-Built B1042, 5474821 and 18044444 for the same application. See all 8.
Brake Booster Replacement
The SKP SK5474821 power brake booster restores braking assist by multiplying pedal force for smoother, more controlled stopping. It is built to OE specifications for direct-fit service on select Chevrolet, GMC, Buick, Isuzu, Saab, and Oldsmobile applications.
- OE-spec replacement power brake booster for direct-fit service.
- Built from durable materials for long-term braking system performance.
- Restores vacuum-assisted brake boost for consistent pedal feel.
Fitment Details
Compatible with select 2002-2006 GM and related SUV applications. Fits 2003-2006 Chevrolet SSR, N/A. Fits 2004-2005 Buick Rainier, N/A. Fits 2005 Chevrolet Trailblazer, N/A, w/ o Vacuum Switch Port. Fits 2005 Chevrolet Trailblazer EXT, N/A, w/ o Vacuum Switch Port. Fits 2005 GMC Envoy, N/A, w/ o Vacuum Switch Port. Fits 2005 GMC Envoy XL, N/A, w/ o Vacuum Switch Port. Fits 2005 GMC Envoy XUV, N/A, w/ o Vacuum Switch Port. Fits 2003-2005 Isuzu Ascender, N/A. Fits 2005 Saab 9-7x, N/A. Fits 2002-2004 Chevrolet Trailblazer, N/A. Fits 2002-2004 Chevrolet Trailblazer EXT, N/A. Fits 2002-2004 GMC Envoy, N/A. Fits 2002-2004 GMC Envoy XL, N/A. Fits 2004 GMC Envoy XUV, N/A. Fits 2002-2004 Oldsmobile Bravada, N/A.
What It Helps Correct
- Hard brake pedal feel caused by a weak booster.
- Reduced braking assist during normal driving and stops.
- Inconsistent pedal response from a worn vacuum booster.
- Fitment issues when replacing an OE-style booster on supported applications.
Installation Notes
Verify the vacuum switch port configuration before ordering, since some 2005 applications require the version without a vacuum switch port. Confirm the original booster style and vehicle fitment against the part number SK5474821 before installation.
Quality Assurance
SKP manufactures this booster to meet OE specifications for fit and function. Part number SK5474821 is cross-referenced to Quality-Built B1042 for the same application.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2006 | Chevrolet | SSR | — | — | — |
| 2005 | Buick | Rainier | — | — | — |
| 2005 | Chevrolet | SSR | — | — | — |
| 2005 | Chevrolet | Trailblazer | — | — | w/ o Vacuum Switch Port |
| 2005 | Chevrolet | Trailblazer EXT | — | — | w/ o Vacuum Switch Port |
| 2005 | GMC | Envoy | — | — | w/ o Vacuum Switch Port |
| 2005 | GMC | Envoy XL | — | — | w/ o Vacuum Switch Port |
| 2005 | GMC | Envoy XUV | — | — | w/ o Vacuum Switch Port |
| 2005 | Isuzu | Ascender | — | — | — |
| 2005 | Saab | 9-7x | 4.2L | L6 | — |
| 2004 | Buick | Rainier | — | — | — |
| 2004 | Chevrolet | SSR | — | — | — |
| 2004 | Chevrolet | Trailblazer | — | — | — |
| 2004 | Chevrolet | Trailblazer EXT | — | — | — |
| 2004 | GMC | Envoy | — | — | — |
| 2004 | GMC | Envoy XL | — | — | — |
| 2004 | GMC | Envoy XUV | — | — | — |
| 2004 | Isuzu | Ascender | — | — | — |
| 2004 | Oldsmobile | Bravada | — | — | — |
| 2003 | Chevrolet | SSR | — | — | — |
| 2003 | Chevrolet | Trailblazer | — | — | — |
| 2003 | Chevrolet | Trailblazer EXT | — | — | — |
| 2003 | GMC | Envoy | — | — | — |
| 2003 | GMC | Envoy XL | — | — | — |
| 2003 | Isuzu | Ascender | — | — | — |
| 2003 | Oldsmobile | Bravada | — | — | — |
| 2002 | Chevrolet | Trailblazer | — | — | — |
| 2002 | Chevrolet | Trailblazer EXT | — | — | — |
| 2002 | GMC | Envoy | — | — | — |
| 2002 | GMC | Envoy XL | — | — | — |
| 2002 | Oldsmobile | Bravada | — | — | — |
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