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Bosch 0204777573 Power Brake Booster
| Brand | Bosch 0204777573 |
|---|---|
| Booster Type | Hydraulic |
| Master Cylinder Included | No |
| Mounting Hardware Included | No |
| Gasket Or Seal Included | No |
| Mounting Bracket Included | Yes |
| Automotive Item Weight (lbs) | 13.999354 lb |
| Product line | Brake Booster |
| Fits | Chevrolet and GMC · 44 vehicles |
Hydraulic booster assembly. Delivers power-assisted braking with Bosch engineering.
Mounting bracket included. Simplifies installation with the bracket already provided.
Brake booster. A direct-fit replacement for the brake assist system.
Cross-references 15854059 for the same application. See all 1.
Bosch Hydro-Boost Brake Booster
Bosch Brake Booster part number 0204777573 is a hydraulic power brake booster assembly for select GM heavy-duty trucks and SUVs. It is built for vehicles that use hydro-boost brake assist and includes a mounting bracket for a direct replacement-style service job.
Compatible With 2003-2007 Chevrolet Silverado HD, Silverado Classic, Avalanche 2500, Suburban 2500, and 2003-2007 GMC Sierra HD, Sierra Classic, and Yukon XL 2500 applications. This Bosch 0204777573 brake booster is also listed for 2007 Chevrolet Silverado 1500 HD Classic and GMC Sierra 1500 HD Classic models.
Key Features
- Hydraulic booster type for hydro-boost brake assist systems
- Mounting bracket included
- Master cylinder not included
- Mounting hardware not included
- Gasket or seal not included
- Automotive item weight: 13.999354 lb
Product Details
The Bosch Brake Booster line focuses on brake assist components for vehicles that rely on hydraulic pressure rather than vacuum assist. Part number 0204777573 is a Bosch hydro-boost assembly made for the listed Chevrolet and GMC truck platforms, including Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, Sierra 3500, and related Classic applications. If you are replacing a worn booster on a Chevrolet Silverado 2500 HD or GMC Sierra 3500, this unit provides the core brake assist assembly needed for the system.
This part cross-references 15854059 for the same application.
What It Helps Address
- Hard brake pedal feel caused by a failing hydro-boost unit
- Reduced brake assist from internal hydraulic wear
- Brake response issues tied to booster leakage or loss of assist
- Replacement needs after booster corrosion or mechanical damage
- Service repair on GM heavy-duty brake booster systems
Installation Notes
Verify the vehicle uses a hydraulic brake booster before ordering. Transfer or source any required master cylinder, mounting hardware, and seals separately, since they are not included with this Bosch 0204777573 assembly. Confirm fitment against the vehicle’s brake system configuration and existing part number before installation.
Quality Assurance
Bosch is a recognized OE supplier in automotive braking systems, and this brake booster is built to match the listed application requirements for 2003-2007 Chevrolet and GMC trucks and SUVs.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 HD Classic | — | — | Brake Booster |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.6L | V8 | Brake Booster |
| 2007 | Chevrolet | Silverado 3500 Classic | — | — | Brake Booster |
| 2007 | GMC | Sierra 1500 HD Classic | — | — | Brake Booster |
| 2007 | GMC | Sierra 2500 HD Classic | — | — | Brake Booster |
| 2007 | GMC | Sierra 3500 Classic | — | — | Brake Booster |
| 2006 | Chevrolet | Avalanche 2500 | — | — | Brake Booster |
| 2006 | Chevrolet | Silverado 1500 HD | — | — | Brake Booster |
| 2006 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Brake Booster |
| 2006 | Chevrolet | Silverado 3500 | — | — | Brake Booster |
| 2006 | Chevrolet | Suburban 2500 | — | — | Brake Booster |
| 2006 | GMC | Sierra 1500 HD | — | — | Brake Booster |
| 2006 | GMC | Sierra 2500 HD | — | — | Brake Booster |
| 2006 | GMC | Sierra 3500 | — | — | Brake Booster |
| 2006 | GMC | Yukon XL 2500 | — | — | Brake Booster |
| 2005 | Chevrolet | Avalanche 2500 | — | — | Brake Booster |
| 2005 | Chevrolet | Silverado 1500 HD | — | — | Brake Booster |
| 2005 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Brake Booster |
| 2005 | Chevrolet | Silverado 3500 | — | — | Brake Booster |
| 2005 | Chevrolet | Suburban 2500 | — | — | Brake Booster |
| 2005 | GMC | Sierra 1500 HD | — | — | Brake Booster |
| 2005 | GMC | Sierra 2500 HD | — | — | Brake Booster |
| 2005 | GMC | Sierra 3500 | — | — | Brake Booster |
| 2005 | GMC | Yukon XL 2500 | — | — | Brake Booster |
| 2004 | Chevrolet | Avalanche 2500 | — | — | Brake Booster |
| 2004 | Chevrolet | Silverado 2500 | — | — | Brake Booster |
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Brake Booster |
| 2004 | Chevrolet | Silverado 3500 | — | — | Brake Booster |
| 2004 | Chevrolet | Suburban 2500 | — | — | Brake Booster |
| 2004 | GMC | Sierra 2500 | — | — | Brake Booster |
| 2004 | GMC | Sierra 2500 HD | — | — | Brake Booster |
| 2004 | GMC | Sierra 3500 | — | — | Brake Booster |
| 2004 | GMC | Yukon XL 2500 | — | — | Brake Booster |
| 2003 | Chevrolet | Avalanche 2500 | — | — | Brake Booster |
| 2003 | Chevrolet | Silverado 1500 HD | — | — | Brake Booster |
| 2003 | Chevrolet | Silverado 2500 | — | — | Brake Booster |
| 2003 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Brake Booster |
| 2003 | Chevrolet | Silverado 3500 | — | — | Brake Booster |
| 2003 | Chevrolet | Suburban 2500 | — | — | Brake Booster |
| 2003 | GMC | Sierra 1500 HD | — | — | Brake Booster |
| 2003 | GMC | Sierra 2500 | — | — | Brake Booster |
| 2003 | GMC | Sierra 2500 HD | — | — | Brake Booster |
| 2003 | GMC | Sierra 3500 | — | — | Brake Booster |
| 2003 | GMC | Yukon XL 2500 | — | — | Brake Booster |
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