MPA Electrical B1150 Power Brake Booster

Remanufactured Vacuum Brake Booster

MPA Electrical B1150 is a remanufactured vacuum power brake booster built for direct replacement in select GM applications. It is engineered for strong braking assist with low pedal effort, helping restore consistent brake feel in vehicles such as the Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado.

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on replacement-ready fit and tested performance. This booster uses a metal housing, a 10.93-inch diaphragm, and a 10 x 1.50 master cylinder stud thread size for the listed applications.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing construction
• 10.93-inch diaphragm diameter
• 2 mounting studs
• Master cylinder not included
• Brake pedal rod extension not included
• Gasket or seal not included
• Front seal not included

Product Details

MPA Electrical B1150 is designed as a vacuum brake booster replacement for 1982-1985 Buick Riviera, 1982-1985 Cadillac Eldorado, 1982-1985 Cadillac Seville, and 1982-1985 Oldsmobile Toronado. It is built to restore vacuum-assisted braking performance by improving pressure transfer and reducing the pedal effort required during braking. The remanufactured construction and end-of-line testing help verify function before installation.

This part cross-references GM OE numbers 18008673 and 18008743 for the same application. The B1150 part number is also useful when searching for a reman vacuum brake booster for 1982-1985 Cadillac Seville or a brake booster replacement for 1982-1985 Buick Riviera and Oldsmobile Toronado.

Common Brake Issues It Can Address

• Hard brake pedal feel
• Reduced vacuum assist during braking
• Inconsistent pedal response
• Brake booster leakage concerns
• Loss of braking assist in listed GM vehicles

Installation Notes

Verify the 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 hose condition and inspect the brake pedal linkage and seals during replacement to help ensure proper operation.

Quality Assurance

MPA Electrical states that these brake boosters are tested at the end of production using proprietary equipment to confirm performance and vacuum seal integrity. The remanufactured design uses specially treated replacement components to support reliable pressure transfer in the listed applications.