MPA Electrical B1075 Power Brake Booster

Remanufactured Vacuum Brake Booster

MPA Electrical B1075 is a remanufactured vacuum power brake booster for select 1993-1997 Geo Prizm and 1993-1997 Toyota Corolla applications. It is built for drivers who need consistent brake assist with reduced pedal effort, using a single-diaphragm vacuum design and a metal housing.

The MPA Electrical brake booster line is engineered and tested to restore vacuum seal integrity, pressure transfer, and braking response. This B1075 unit is supplied without a master cylinder and is a standard replacement part for OE-style service on the listed vehicles.

Key Features

• Part number B1075
• Vacuum booster design with single diaphragm
• Remanufactured standard replacement brake service grade
• Metal housing construction
• 247.4 mm (9.74 in.) diaphragm diameter
• Master cylinder not included
• 8 x 1.25 mm master cylinder stud thread size
• Two mounting studs
• Fits 1993-1997 Geo Prizm and 1993-1997 Toyota Corolla

Product Details

MPA Electrical B1075 is a reman vac pwr brake booster w/o master cyl designed for direct service on the listed compact sedan platforms. It is a vacuum-operated booster with a single diaphragm and remanufactured components selected to maintain vacuum sealing and reliable pedal assist. This part cross-references Toyota 44610-1A500 for the same application.

Common Issues This Part Can Address

• Hard brake pedal feel
• Reduced brake assist during stopping
• Vacuum leak at the booster assembly
• Inconsistent pedal response
• Brake system performance loss related to booster wear

Installation Notes

Verify master cylinder compatibility before installation, since the master cylinder is not included. Confirm the 8 x 1.25 mm stud thread size, two-stud mounting pattern, and vehicle-specific fitment for your Geo Prizm or Toyota Corolla before removal of the original unit. Inspect vacuum supply, pedal linkage condition, and sealing surfaces during service.

Quality Assurance

MPA Electrical subjects each brake booster to 100% end-of-line testing using proprietary test equipment to verify performance before release.