MPA Electrical B5059 Power Brake Booster

Hydraulic Brake Booster Overview

This MPA Electrical hydraulic power brake booster is a remanufactured replacement built for consistent brake assist and reduced pedal effort. It is a fitment-based solution for Chevrolet P30 and GMC P3500 applications that need a booster without a master cylinder.

Key Features

• Hydraulic booster design for power-assisted braking performance.
• Standard replacement brake service grade for direct service use.
• Remanufactured metal housing for durable construction.
• No master cylinder, gasket, seal, mounting bracket, or pedal rod extension included.
• 10 x 1.50 master cylinder stud thread size.

Detailed Description

MPA Electrical B5059 is a remanufactured hydraulic power brake booster engineered to deliver strong braking assist with minimal pedal effort. The unit uses specially treated replacement components to support vacuum sealing and pressure transfer, and each booster is end-of-line tested with proprietary equipment before release. This part cross-references 14022299 for the same application. For Chevrolet P30 and GMC P3500 brake system service, B5059 provides a direct replacement option where the original booster is serviced without a master cylinder.

What It Helps Solve

• Hard brake pedal feel caused by a worn booster.
• Reduced braking assist from internal seal wear.
• Pressure transfer issues in hydraulic brake assist systems.
• Replacement needs when the master cylinder is reused separately.

Installation Notes and Tips

Verify hydraulic booster configuration, master cylinder stud thread size, and mounting points before installation. Confirm that the replacement application does not require a master cylinder, gasket, seal, mounting bracket, or pedal rod extension, since those items are not included. Match the part number B5059 to the vehicle’s brake system requirements before service.

Quality Assurance

MPA Electrical subjects each unit to 100% end-of-line testing using proprietary test equipment to verify performance before shipment. Part number B5059 is remanufactured to meet standard replacement service expectations.