MPA Electrical B1324 Power Brake Booster

Remanufactured Vacuum Brake Booster

MPA Electrical B1324 is a remanufactured vacuum power brake booster for classic full-size GM applications. It is built for drivers restoring braking assist on vehicles such as the Chevrolet Caprice, Chevrolet Impala, Buick LeSabre, Buick Riviera, Oldsmobile 98, Oldsmobile Delta 88, Pontiac Bonneville, and Pontiac Catalina.

This MPA Electrical brake booster is a standard replacement unit with a metal housing, 8.76-inch diaphragm diameter, and two mounting studs. It is supplied without the master cylinder, brake pedal rod extension, gasket or seal, front seal, or mounting bracket.

• Brake service grade: Standard replacement
• Vacuum booster design for power brake assist
• Remanufactured housing with treated replacement components
• Metal housing construction
• 8.76 in. diaphragm diameter
• 2 mounting studs
• Master cylinder stud thread size: 3/8-16
• Master cylinder not included

Product Details and Fitment

MPA Electrical’s reman vac pwr brake booster w/o master cyl line focuses on vacuum seal integrity, consistent pressure transfer, and end-of-line testing for each unit. Part number B1324 is a direct-fit style replacement for a range of 1971-1978 GM full-size cars, including Chevrolet Caprice and Impala, Buick LeSabre and Riviera, Oldsmobile 98 and Delta 88, Oldsmobile Custom Cruiser and Toronado, plus Pontiac Bonneville and Catalina.

This part cross-references Monroe Shocks & Struts (e.g., 18005072, 18005076) for the same application.

• Fits 1975-1978 Chevrolet Caprice, N/A
• Fits 1971-1972 Chevrolet Caprice, N/A
• Fits 1975-1978 Chevrolet Impala, N/A
• Fits 1971-1972 Chevrolet Impala, N/A
• Fits 1971-1976 Oldsmobile 98, N/A
• Fits 1971-1976 Oldsmobile Delta 88, N/A
• Fits 1971-1972 Buick LeSabre, N/A
• Fits 1971-1972 Buick Riviera, N/A
• Fits 1971-1972 Chevrolet Bel Air, N/A
• Fits 1971-1972 Oldsmobile Custom Cruiser, N/A
• Fits 1971-1972 Oldsmobile Toronado, N/A
• Fits 1971-1972 Pontiac Bonneville, N/A
• Fits 1971-1972 Pontiac Catalina, N/A

What This Brake Booster Helps Address

• Hard brake pedal feel from a weak vacuum booster
• Reduced braking assist during normal pedal application
• Vacuum seal loss that affects pedal response
• Inconsistent pressure transfer in the brake assist system
• Wear-related booster performance decline on older GM vehicles

Installation Notes and Tips

Verify master cylinder compatibility before installation, since this booster is supplied without the master cylinder. Confirm the 3/8-16 master cylinder stud thread size, two-stud mounting layout, and diaphragm diameter against the original unit before assembly. Because no gasket, seal, pedal rod extension, or mounting bracket is included, reuse or source the required related components as needed for the vehicle.

Quality Assurance

MPA Electrical remanufactures this brake booster with specially treated replacement components and tests each unit at the end of the production line using proprietary equipment. That process is used to verify vacuum seal performance and braking assist output before the part is released.