MPA Electrical B1031 Power Brake Booster

Remanufactured Vacuum Brake Booster

MPA Electrical B1031 is a remanufactured vacuum power brake booster for Ford full-size vans and wagon applications. It is built for drivers who need consistent brake assist with reduced pedal effort, using a dual-diaphragm design and a metal housing for standard replacement service.

This MPA Electrical brake booster line is engineered and tested to deliver dependable vacuum sealing and pressure transfer. Each unit is end-of-line tested to verify function before release, making B1031 a practical replacement for worn or leaking booster assemblies on compatible Ford E-Series vehicles.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Dual diaphragm design for brake assist
• Metal housing construction
• 10.94 in. diaphragm diameter
• 2 mounting studs with 3/8-16 master cylinder stud thread size
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket, gasket/seal, and front seal not included

Detailed Product Description

MPA Electrical B1031 is a reman vac pwr brake booster w/o master cyl designed for vacuum-assisted braking systems. The dual-diaphragm layout is used to provide strong assist with lower pedal effort, while specially treated replacement components are used to maintain vacuum integrity and pressure transfer. This part number, B1031, is a direct-fit style replacement for select Ford E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon models from 1992-1996.

This part cross-references Ford OE numbers F2UZ2005B and F5UZ2005DA for the same application.

What It Helps Fix

• Hard brake pedal feel caused by booster loss of vacuum assist
• Reduced braking assist during normal pedal application
• Vacuum leakage from a worn booster diaphragm or housing
• Inconsistent pedal response in aging Ford E-Series brake systems
• Brake booster replacement needs during brake system service

Installation Notes and Tips

Verify master cylinder compatibility before installation, since the master cylinder is not included with B1031. Confirm the 3/8-16 stud thread size, mounting stud layout, and pedal rod setup against the original unit before removal. Inspect vacuum supply, check valves, and brake lines during service so the replacement booster can operate correctly after installation.

Fits 1992-1996 Ford E-150 Econoline, N/A. Fits 1992-1996 Ford E-150 Econoline Club Wagon, N/A. Fits 1992-1996 Ford E-250 Econoline, N/A. Fits 1992-1996 Ford E-350 Econoline, N/A. Fits 1992-1996 Ford E-350 Econoline Club Wagon, N/A.

Quality Assurance

MPA Electrical tests each brake booster at the end of the production process using proprietary equipment to confirm proper operation. The remanufactured construction and treated components are used to support reliable vacuum sealing and consistent braking assist in service.