Cardone 54-71069 Power Brake Booster

Vacuum Power Brake Booster for GM Trucks and SUVs

The Cardone 54-71069 vacuum power brake booster is a remanufactured replacement built for GM brake systems that require vacuum assist and no master cylinder. It is engineered and tested to match original equipment performance for Chevrolet Blazer, GMC Jimmy, and select C/K and Suburban applications.

Cardone’s Vacuum Power Brake Booster line focuses on OE-style fit, function, and durability. This remanufactured booster uses a dual-diaphragm design and a rust-prohibitive finish to support long service life in demanding brake applications.

Key Features

• Remanufactured to match original equipment performance
• Dual-diaphragm design with a 10.4 in. (264.16 mm) diaphragm diameter
• 100% tested for fit and function before release
• O.E.-quality seals and check valves installed on every unit
• Rust-prohibitive finish helps extend booster life
• Master cylinder output rods are pre-adjusted when included
• Steel construction with gray finish
• Master cylinder not included

Detailed Description

Cardone part number 54-71069 is a remanufactured vacuum power brake booster for GM light trucks and SUVs that use vacuum assist. It is built to restore brake pedal assist and maintain OE-style operation on applications such as Chevrolet Blazer, GMC Jimmy, and select Chevrolet and GMC C/K and Suburban models. The booster uses a dual diaphragm layout and an M10x1.5 master cylinder stud thread size for the listed applications.

This part cross-references Chevrolet 18010581 and GMC 18010581 for the same application.

What It Helps Fix

• Hard brake pedal feel from a weak or failing booster
• Reduced vacuum assist during braking
• Brake pedal effort that no longer matches factory operation
• Booster leakage or internal diaphragm wear
• Corrosion-related booster deterioration

Installation Notes and Tips

• Fits 1987-1991 Chevrolet Blazer, with vacuum booster and without master cylinder.
• Fits 1984-1991 GMC Jimmy, with vacuum booster and without master cylinder.
• Fits 1981-1986 Chevrolet C10, with Brake Code JB5 and GM Service Parts Identification sticker reference.
• Fits 1982-1986 Chevrolet C20, with Brake Code JB6 and pedal rod # C14.
• Fits 1981-1986 GMC K1500, with Brake Code JB5 and GM Service Parts Identification sticker reference.
• Verify the brake code on the vehicle’s Service Parts Identification sticker before ordering.
• Confirm master cylinder and pedal rod configuration before installation.
• Follow the included instruction manual for setup and adjustment.

Quality Assurance

Cardone remanufactures this brake booster to OE performance standards and tests every unit for reliable fit and function. The booster is re-engineered where needed, with design improvements applied when applicable to improve durability over the original part.