Cardone 52-7248 Power Brake Booster

Hydro-Boost Brake Booster for GM Trucks

Cardone 52-7248 is a remanufactured Hydro-Boost power brake booster built for GM truck and SUV applications that use hydraulic brake assist. It is re-engineered, tested, and finished to deliver O.E.-style fit and function for Chevrolet Blazer, GMC Jimmy, and other listed full-size GM platforms.

The Cardone Hydro-Boost Power Brake Booster line focuses on restoring brake assist performance with remanufactured units that are inspected for design improvements where applicable. This part number, 52-7248, is built from cast iron and finished in black for a durable service replacement.

Key Features

• Remanufactured to match original equipment performance
• 100% tested for fit and function
• 100% O.E. quality seals and check valves installed
• Rust-prohibitive finishing process helps extend service life
• Guaranteed fit and function
• Master cylinder output rods are pre-adjusted when included
• Black cast iron construction
• Master cylinder not included

Detailed Description

Cardone 52-7248 is a remanufactured hydraulic brake booster for Hydro-Boost systems used on select Chevrolet and GMC trucks and SUVs from 1983 through 1991. It is engineered to restore brake assist performance on applications such as Chevrolet Blazer, Chevrolet K5 Blazer, GMC Jimmy, and multiple C/K, R/V, and Suburban models. The unit is tested before release to help ensure proper operation and consistent pedal assist.

This part cross-references Chevrolet 15521935 and GMC 15521935 for the same application. For buyers searching for a Hydro-Boost power brake booster for 1984-1991 Chevrolet Blazer or 1983-1991 GMC Jimmy, this remanufactured assembly provides a direct replacement path for the listed brake-code and pedal-rod configurations.

What It Helps Address

• Hard brake pedal feel on Hydro-Boost equipped vehicles
• Reduced brake assist from a worn hydraulic booster
• Brake response issues caused by internal seal or check valve wear
• Fitment problems from a damaged or incorrect booster assembly
• Corrosion-related booster housing deterioration

Installation Notes and Tips

• Verify the brake code on the Service Parts Identification sticker before ordering.
• Confirm whether your vehicle uses JD3, JD5, JD6, or JD7 brake-code configuration where listed.
• Master cylinder is not included with this booster.
• Check the master cylinder stud thread size: M10 x 1.50.
• Review the included instruction sheet before installation.
• Inspect the O-ring kit and hydraulic connections during replacement.

Quality Assurance

Cardone remanufactured power brake boosters are re-engineered, built, and tested to match O.E. performance. Each unit is 100% tested to help ensure reliable operation, and the brand applies a rust-prohibitive finish plus O.E.-quality seals and check valves to support long-term service.

Fits 1983-1991 Chevrolet and GMC Hydro-Boost applications including Chevrolet Blazer, GMC Jimmy, Chevrolet C/K and K-series trucks, and select Suburban models listed in the fitment data.