MPA Electrical B1017 Power Brake Booster

Reman Vacuum Brake Booster for Ram Trucks

MPA Electrical B1017 is a remanufactured vacuum power brake booster built for 1994-1997 Dodge Ram 1500, Ram 2500, and Ram 3500 applications. It is engineered to deliver strong braking assist with low pedal effort, making it a direct replacement choice for worn or leaking booster units.

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on replacement-ready brake assist components with treated internal parts, improved vacuum sealing, and end-of-line testing for consistent operation. This B1017 unit is a vacuum booster with a dual diaphragm design and a metal housing.

• Fits 1994-1997 Dodge Ram 1500, N/A
• Fits 1994-1997 Dodge Ram 2500, N/A
• Fits 1994-1997 Dodge Ram 3500, N/A
• Remanufactured standard replacement brake booster
• Vacuum booster design with dual diaphragm construction
• 11.07 in. diaphragm diameter (281.18 mm)
• Metal housing for brake system service replacement
• Master cylinder not included
• 10 x 1.50 master cylinder stud thread size
• 2 mounting studs

Detailed Product Overview

MPA Electrical B1017 is a reman vacuum power brake booster for Dodge Ram 1500, Ram 2500, and Ram 3500 trucks from 1994 through 1997. It is built as a standard replacement part for vehicles that need restored brake assist after booster wear, vacuum loss, or pedal effort changes. The dual diaphragm vacuum design supports consistent pressure transfer from the pedal to the brake system, while the remanufactured construction uses specially treated components to help maintain a reliable vacuum seal.

This part number, B1017, is supplied without a master cylinder, gasket or seal, front seal, mounting bracket, or brake pedal rod extension. It cross-references 4746379 and 4746380 for the same application.

Common Problems This Part Can Address

• Hard brake pedal feel on Dodge Ram 1500, Ram 2500, or Ram 3500 trucks
• Reduced brake assist from a leaking or failing vacuum booster
• Inconsistent pedal response during normal braking
• Loss of vacuum seal affecting brake performance
• Brake booster replacement during brake system repair

Installation Notes and Fitment Tips

Verify the master cylinder stud thread size of 10 x 1.50 before installation. This booster uses 2 mounting studs and is listed without a master cylinder, so transfer or replace related brake components as needed during service. Confirm the vehicle application against the exact fitment listing for 1994-1997 Dodge Ram 1500, Ram 2500, and Ram 3500 before installation.

Quality Assurance

MPA Electrical tests each unit at the end of production using proprietary equipment to verify brake booster performance and vacuum integrity. The remanufacturing process includes new replacement and specially treated components to support dependable braking assist in service.