MPA Electrical B5014 Power Brake Booster

Hydraulic Brake Booster for GM Heavy-Duty Trucks

The MPA Electrical B5014 is a remanufactured hydraulic power brake booster built for heavy-duty Chevrolet and GMC applications. It is designed to deliver strong braking assist with reduced pedal effort, making it a direct replacement choice for older GM trucks and vans that use hydraulic boost.

MPA Electrical’s Reman Hyd Pwr Brake Booster w/o Master Cyl line focuses on restored performance, with treated replacement components, improved vacuum sealing, and end-of-line testing to verify operation before it leaves the remanufacturing process.

• Remanufactured hydraulic power brake booster
• Standard replacement brake service grade
• Metal housing construction
• Master cylinder not included
• Brake pedal rod extension not included
• Gasket or seal not included
• Mounting bracket not included
• Master cylinder stud thread size: 10 x 1.50
• Two mounting studs
• Interchange reference: 14055057

Detailed Product Overview

Part number B5014 is a remanufactured hydraulic brake booster for Chevrolet and GMC trucks and vans from the 1980s and early 1990s. It is built for applications such as Chevrolet C30, K30, R30, V30, R3500, V3500, and GMC C3500, K3500, R3500, and V3500 models. This hydraulic brake booster is a practical OE-style replacement for drivers restoring braking performance on older GM heavy-duty platforms.

Fits 1982-1986 Chevrolet C30, N/A; Fits 1982-1986 Chevrolet K30, N/A; Fits 1989-1991 Chevrolet R3500, N/A; Fits 1989-1991 Chevrolet V3500, N/A; Fits 1987-1991 GMC R3500, N/A; Fits 1987-1991 GMC V3500, N/A. This part cross-references 14055057 for the same application.

What It Helps Address

• Hard brake pedal feel on hydraulic boost systems
• Reduced braking assist in older Chevrolet and GMC trucks
• Brake response issues caused by booster wear or internal seal failure
• Restoration needs for remanufactured brake system service
• Replacement of a leaking or weak power brake booster

Installation Notes and Tips

Verify hydraulic brake booster fitment by matching the vehicle year, make, model, and booster configuration before installation. This unit does not include the master cylinder, brake pedal rod extension, gasket or seal, or mounting bracket, so reuse or source the correct related components as needed. Confirm the master cylinder stud thread size is 10 x 1.50 and inspect hydraulic lines, mounting points, and pedal linkage condition during service.

Quality Assurance

MPA Electrical remanufactures this booster with replacement and specially treated components, then subjects each unit to 100% end-of-line testing using proprietary equipment to verify braking assist performance and pressure transfer.