MPA Electrical B5005 Power Brake Booster

Hydraulic Brake Booster for GM SUVs

The MPA Electrical B5005 is a remanufactured hydraulic power brake booster built for consistent brake assist and reduced pedal effort. It is a standard replacement hydraulic booster with a metal housing, mounting bracket included, and no master cylinder included.

Compatible with 2003-2006 Cadillac Escalade, Escalade ESV, and Escalade EXT, plus 2003-2006 Chevrolet Avalanche 1500, Suburban 1500, Suburban 2500, Tahoe, GMC Yukon, Yukon XL 1500, and Yukon XL 2500. This B5005 application is a direct-fit service part for vehicles using hydraulic brake assist.

Key Features

• Remanufactured hydraulic power brake booster
• Standard replacement brake service grade
• Metal housing for durable construction
• Mounting bracket included
• No master cylinder included
• 10 x 1.50 master cylinder stud thread size
• Two mounting studs
• 100% end-of-line tested by the manufacturer

Product Details

MPA Electrical’s Reman Hyd Pwr Brake Booster w/o Master Cyl line focuses on restored hydraulic brake assist performance for GM truck and SUV platforms. The B5005 is remanufactured with new replacement and specially treated components to help maintain vacuum sealing, pressure transfer, and braking response. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Use this B5005 brake booster when servicing hydraulic brake assist systems on 2003-2006 Cadillac Escalade and Chevrolet Tahoe, or related GM full-size SUVs and trucks listed in the fitment data. The part number B5005 is also useful when matching an OE-style replacement to the original hydraulic booster configuration.

Common Issues This Part Addresses

• Hard brake pedal feel
• Reduced brake assist from a failing hydraulic booster
• Brake response inconsistency during normal driving
• Loss of pressure transfer in the brake assist system
• Vacuum or seal-related booster performance problems

Installation Notes

Verify hydraulic booster type, master cylinder stud thread size, and mounting points before installation. This unit does not include the master cylinder, gasket, seal, or front seal, so reuse or replace related components as needed during service. Confirm fitment against the vehicle’s original brake assist setup before installation on a 2003-2006 Cadillac Escalade, Chevrolet Suburban, or GMC Yukon application.

Quality Assurance

Each MPA Electrical B5005 remanufactured booster is tested at the end of production using proprietary equipment to verify performance before release. The reman process uses replacement and treated components to support reliable brake assist output and consistent system operation.