Cardone 52-7371 Power Brake Booster

Hydro-Boost Brake Booster for GM Trucks

Restore hydraulic brake assist with this remanufactured Cardone Hydro-Boost Power Brake Booster, part number 52-7371. Built for select Chevrolet Silverado, Suburban, Avalanche, GMC Sierra, and Yukon XL applications, it is re-engineered and tested to match original equipment performance.

The Cardone Hydro-Boost Power Brake Booster line focuses on OE-style fit, function, and durability for vehicles that use hydraulic brake assist instead of a vacuum booster. Part number 52-7371 is remanufactured from cast iron and finished in black for a direct replacement on supported GM truck and SUV brake systems.

Key Features

• Remanufactured to match O.E. performance
• 100% tested for reliable fit and function
• 100% O.E. quality seals and check valves installed
• Rust-prohibitive finish helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Guaranteed fit and function
• Cast iron construction with black finish

Detailed Description

Cardone 52-7371 is a remanufactured Hydro-Boost Power Brake Booster engineered for GM vehicles that use hydraulic brake assist. It is built and tested to original equipment standards, with design review and updates applied where needed to improve durability over the original unit. This booster is a direct-fit replacement for select 2003-2007 Chevrolet Silverado, Suburban, Avalanche, and GMC Sierra and Yukon XL models with Hydro-Boost brake systems. This part cross-references Chevrolet 15167550 for the same application.

What It Helps Solve

• Hard brake pedal feel caused by a worn hydro-boost unit
• Reduced brake assist from internal seal or valve wear
• Brake system performance issues on GM Hydro-Boost applications
• Fitment problems from a damaged or corroded booster housing
• Service replacement needs on Silverado, Sierra, Suburban, Avalanche, and Yukon XL models

Installation Notes and Tips

• Fits 2007 Chevrolet Silverado 1500 Classic, N/A
• Fits 2007 Chevrolet Silverado 1500 HD Classic, N/A
• Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
• Fits 2007 Chevrolet Silverado 3500 Classic, N/A
• Fits 2007 GMC Sierra 1500 Classic, N/A
• Fits 2007 GMC Sierra 1500 HD Classic, N/A
• Fits 2007 GMC Sierra 2500 HD Classic, N/A
• Fits 2007 GMC Sierra 3500 Classic, N/A
• Fits 2003-2006 Chevrolet Avalanche 2500, N/A
• Fits 2003-2006 Chevrolet Silverado 1500, N/A
• Fits 2005-2006 Chevrolet Silverado 1500 HD, N/A
• Fits 2003 Chevrolet Silverado 1500 HD, N/A
• Fits 2003-2006 Chevrolet Silverado 2500 HD, N/A
• Fits 2003-2006 Chevrolet Silverado 3500, N/A
• Fits 2003-2006 Chevrolet Suburban 2500, N/A, with Hydro-Boost and GM brake code JH7 or JH6
• Fits 2003-2006 GMC Sierra 1500, N/A
• Fits 2005-2006 GMC Sierra 1500 HD, N/A
• Fits 2003 GMC Sierra 1500 HD, N/A
• Fits 2003-2006 GMC Sierra 2500 HD, N/A
• Fits 2003-2006 GMC Sierra 3500, N/A
• Fits 2003-2006 GMC Yukon XL 2500, N/A, with Hydro-Boost and GM brake code JH6 or JH7
• Fits 2003-2004 Chevrolet Silverado 2500, N/A
• Fits 2003-2004 GMC Sierra 2500, N/A
• Fits 2003 Chevrolet Avalanche 1500, N/A, with Hydro-Boost and GM brake code JH6 or JH5
• Fits 2003 Chevrolet Suburban 1500, N/A, with Hydro-Boost and GM brake code JH7 or JH6
• Verify the vehicle’s Service Parts Identification sticker and brake code before ordering
• Master cylinder is not included
• Package contents include the hydraulic booster, O-ring kit, and instruction sheet
• Master cylinder stud thread size is M10 x 1.50

Quality Assurance

Each unit is remanufactured, fully tested, and built to match original equipment performance. Cardone applies an exclusive rust-prohibitive finishing process and installs OE-quality seals and check valves to support consistent operation and long-term durability.