MPA Electrical B1161 Power Brake Booster

Reman Vacuum Brake Booster for Dodge Trucks

MPA Electrical B1161 is a remanufactured vacuum power brake booster built for direct replacement service on select Dodge trucks and SUVs. It is engineered to deliver strong braking assist with reduced pedal effort, helping restore consistent brake feel in daily driving and stop-and-go conditions.

This reman Vac Pwr Brake Booster w/o Master Cyl is a standard replacement unit with a 10.9-inch diaphragm, metal housing, and a vacuum booster design. It does not include the master cylinder, brake pedal rod extension, gasket or seal, front seal, or mounting bracket.

Key Features

• Brand: MPA Electrical
• Part number: B1161
• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• 10.9 in. diaphragm diameter
• Metal housing construction
• 2 mounting studs
• Master cylinder stud thread size: 5/16-18
• Master cylinder not included
• Brake pedal rod extension not included

Product Details

MPA Electrical’s reman brake booster line focuses on restoring vacuum seal integrity and pressure transfer through new replacement and specially treated internal components. Each unit is end-of-line tested with proprietary equipment to verify performance before release. For Dodge D100, D150, Ramcharger, W100, and W150 applications, B1161 provides a direct-fit vacuum booster solution for vehicles that need renewed brake assist without replacing the master cylinder.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

• Hard brake pedal feel
• Reduced vacuum-assisted braking response
• Inconsistent pedal effort during stops
• Brake assist loss caused by booster wear
• Vacuum seal deterioration in the booster assembly

Installation Notes

Fits 1984-1986 Dodge D100, N/A. Fits 1984-1986 Dodge D150, N/A. Fits 1984-1986 Dodge Ramcharger, N/A. Fits 1986 Dodge W100, N/A. Fits 1984-1986 Dodge W150, N/A.

Verify master cylinder stud thread size, mounting stud layout, and booster dimensions before installation. Because the master cylinder is not included, transfer or replace related brake components as needed during service. Confirm vacuum line condition and inspect the brake pedal linkage for wear before final assembly.

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 test equipment to confirm braking assist performance.