Bosch 0204777602 Power Brake Booster

Bosch Hydro-Boost Brake Booster

This Bosch Brake Booster hydro-boost assembly is built for direct replacement service on select GM vans with hydraulic brake assist. It is a fitment-specific power brake booster solution for 2008-2011 Chevrolet Express 2500, 2008-2011 Chevrolet Express 3500, 2008-2011 GMC Savana 2500, and 2008-2011 GMC Savana 3500 applications.

Key Features

• Bosch Brake Booster product line for hydraulic brake assist applications
• Hydro-Boost Assembly construction for vehicles using power steering pressure to assist braking
• Direct-fit replacement for select Chevrolet Express and GMC Savana vans
• Part number 0204777602 for accurate catalog matching
• Interchanges with 19371364 for the same application

Detailed Description

The Bosch 0204777602 hydro-boost assembly is a power brake booster designed for vehicles that rely on hydraulic assist rather than a traditional vacuum booster. This makes it a relevant replacement for heavy-duty van platforms where consistent brake assist is critical. Compatible With 2008-2011 Chevrolet Express 2500, 2008-2011 Chevrolet Express 3500, 2008-2011 GMC Savana 2500, and 2008-2011 GMC Savana 3500, this Bosch Brake Booster supports accurate service replacement for the listed GM applications. The Bosch 0204777602 is also cross-referenced to 19371364 for the same application.

What It Helps Address

• Reduced brake assist from a worn hydro-boost unit
• Hard brake pedal feel in hydraulic assist systems
• Brake booster leakage related to aging internal components
• Loss of consistent assist on Chevrolet Express and GMC Savana vans

Installation Notes and Tips

Verify the vehicle uses a hydro-boost brake assist setup before ordering. Confirm the part number 0204777602 against the original unit and match the application to the listed year, make, and model. Because this is a brake system component, installation should be performed by a qualified technician following OEM service procedures and proper hydraulic system bleeding steps.

Quality Assurance

Bosch brake components are engineered for service replacement in demanding automotive applications. This hydro-boost assembly is cataloged for direct fitment on the listed Chevrolet Express and GMC Savana models, helping ensure the correct part selection for brake assist service.