MPA Electrical B1175 Power Brake Booster

Remanufactured Vacuum Brake Booster for Ford, Lincoln, Mazda

MPA Electrical B1175 is a remanufactured vacuum power brake booster built for direct replacement in select Ford, Lincoln, and Mazda applications. It is engineered to deliver strong braking assist with low pedal effort, helping restore consistent brake feel in vehicles such as the Ford Fusion, Lincoln MKZ, Mercury Milan, Mazda 6, and Lincoln Zephyr.

The MPA Electrical brake booster line focuses on vacuum seal integrity, dependable pressure transfer, and end-of-line testing for each unit. This B1175 reman vac pwr brake booster w/o master cyl is a standard replacement part with a metal housing and a 10.62-inch diaphragm diameter.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing for OE-style fit and function
• 10.62 in. diaphragm diameter for braking assist
• 2 mounting studs with 8 x 1.25 mm master cylinder stud thread size
• Master cylinder not included
• Brake pedal rod extension not included
• Gasket, seal, front seal, and mounting bracket not included

Product Details

MPA Electrical B1175 is designed for drivers who need a remanufactured vacuum brake booster that matches the original application requirements without the master cylinder. The booster uses a vacuum design and specially treated replacement components to help maintain vacuum seal quality and consistent assist performance. This part number B1175 is a direct-fit style replacement for 2006-2009 Ford Fusion, 2007-2009 Lincoln MKZ, 2006-2009 Mercury Milan, 2006-2008 Mazda 6, and 2006 Lincoln Zephyr applications.

This part cross-references OE-style numbers such as 6E5Z2005B and GP7A43800C for the same application.

What It Helps Address

• Hard brake pedal feel caused by a weak booster
• Reduced vacuum assist during braking
• Inconsistent pedal response under normal driving
• Brake assist loss related to booster wear or internal seal issues
• Need for a remanufactured replacement booster for Ford Fusion, Lincoln MKZ, Mercury Milan, Mazda 6, or Lincoln Zephyr

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, 2-stud mounting layout, and diaphragm diameter against the original unit. Inspect vacuum supply, pedal linkage, and mounting surfaces before installing the booster to help ensure proper brake assist and pedal travel.

Quality Assurance

MPA Electrical reman brake boosters are tested at the end of production using proprietary equipment to confirm performance before release. The brand’s process includes new replacement and specially treated components to support vacuum sealing and pressure transfer in service.