MPA Electrical B1032 Power Brake Booster

Remanufactured Vacuum Brake Booster

MPA Electrical B1032 is a remanufactured vacuum power brake booster for classic Chevrolet and GMC trucks and SUVs. It is built for direct brake assist replacement on applications such as Chevrolet C10, K10, K5 Blazer, and GMC Jimmy models from the 1970s and 1980s.

This MPA Electrical brake booster is a standard replacement vacuum unit with a dual diaphragm design, metal housing, and included brake pedal rod extension and mounting bracket. It is supplied without a master cylinder, making it a focused replacement for vehicles that need restored pedal assist and consistent vacuum braking performance.

Key Features

• Part number: B1032
• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Dual diaphragm design for braking assist
• 10.61 in. diaphragm diameter
• Metal housing construction
• Brake pedal rod extension included
• Mounting bracket included
• Master cylinder not included
• 3/8-16 master cylinder stud thread size

Product Details

MPA Electrical’s reman vac pwr brake booster w/o master cyl line focuses on restoring vacuum-assisted braking performance with remanufactured and specially treated components. According to the manufacturer, each unit is tested at the end of the line to verify pressure transfer and vacuum sealing performance. For buyers searching for a Chevrolet C10 brake booster, GMC Jimmy vacuum booster, or a replacement booster for a K10 or K20 truck, B1032 provides a direct-fit service part for the listed applications.

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

What It Helps Fix

• Hard brake pedal feel
• Reduced brake assist from a leaking vacuum booster
• Inconsistent pedal response during braking
• Vacuum seal loss in an aging booster assembly
• Brake assist issues on classic Chevrolet and GMC truck platforms

Installation Notes

Verify master cylinder compatibility before installation, since the master cylinder is not included. Confirm the 3/8-16 stud thread size, pedal rod setup, and mounting points against the original unit before bolting in the replacement. For best results, inspect the vacuum supply line, check valve, and brake hydraulics during service so the new booster can operate with proper vacuum and pedal travel.

Quality Assurance

MPA Electrical remanufactures this brake booster with treated replacement components and 100% end-of-line testing to confirm vacuum seal integrity and pressure transfer performance.

Compatible Vehicles

• Fits 1975-1980 Chevrolet C10, N/A
• Fits 1973-1980 Chevrolet C10 Suburban, N/A
• Fits 1975-1980 Chevrolet C20, N/A
• Fits 1973-1980 Chevrolet C20 Suburban, N/A
• Fits 1975-1980 Chevrolet K10, N/A
• Fits 1974-1980 Chevrolet K10 Suburban, N/A
• Fits 1975-1980 Chevrolet K20, N/A
• Fits 1973-1980 Chevrolet K20 Suburban, N/A
• Fits 1975-1980 Chevrolet K5 Blazer, N/A
• Fits 1979-1980 GMC C1500, N/A
• Fits 1979-1980 GMC C1500 Suburban, N/A
• Fits 1979-1980 GMC C2500, N/A
• Fits 1979-1980 GMC C2500 Suburban, N/A
• Fits 1974-1980 GMC Jimmy, N/A
• Fits 1979-1980 GMC K1500, N/A
• Fits 1979-1980 GMC K1500 Suburban, N/A
• Fits 1979-1980 GMC K2500, N/A
• Fits 1979-1980 GMC K2500 Suburban, N/A
• Fits 1975-1979 Chevrolet C30, N/A
• Fits 1977-1979 Chevrolet K30, N/A
• Fits 1979 GMC C3500, N/A
• Fits 1979 GMC K3500, N/A
• Fits 1974 Chevrolet Blazer, N/A