MPA Electrical B1275 Power Brake Booster

Reman Vacuum Brake Booster for Jeep and Dodge

MPA Electrical B1275 is a remanufactured vacuum power brake booster built for direct replacement on select Jeep Compass, Jeep Patriot, and Dodge Caliber applications. It is engineered for maximum braking assist with minimal pedal effort, with new replacement and specially treated components used to support vacuum sealing, pressure transfer, and consistent brake feel.

This MPA Electrical reman vac pwr brake booster w/o master cyl is a standard replacement part for vehicles that need restored brake assist performance without replacing the master cylinder. The B1275 is tested at the end of the production process to verify function before it leaves the remanufacturing line.

Key Features

• Vacuum-type power brake booster
• Standard replacement brake service grade
• Remanufactured metal housing
• 10.72 in. diaphragm diameter
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket not included
• Front seal not included
• Master cylinder stud thread size: 8 x 1.25 mm
• Two mounting studs

Product Details

MPA Electrical B1275 is designed for drivers who need dependable vacuum brake assist in everyday braking conditions. The remanufactured construction uses treated and replacement components to help maintain vacuum integrity and pressure transfer, while the metal housing provides a durable foundation for the booster assembly. This part cross-references 5175092AA and 5175098AA for the same application.

Compatible with 2007-2017 Jeep Compass, 2007-2017 Jeep Patriot, and 2007-2012 Dodge Caliber, this brake booster is a fitment-specific replacement for vehicles with the listed brake system configuration. Search terms such as “2007-2017 Jeep Compass brake booster replacement” and “2007-2012 Dodge Caliber vacuum power brake booster” align with this application.

What It Helps Fix

• Hard brake pedal feel
• Reduced brake assist from a failing vacuum booster
• Inconsistent pedal response during braking
• Vacuum seal loss in the booster assembly
• Brake system performance issues tied to booster wear

Installation Notes

Verify master cylinder compatibility, stud thread size, and mounting layout before installation. Because the master cylinder is not included, transfer or replace related brake components as needed during service. Confirm the vehicle’s brake booster configuration matches the listed fitment for Jeep Compass, Jeep Patriot, or Dodge Caliber applications before final assembly.

Quality Assurance

MPA Electrical reman brake boosters are built with replacement and specially treated components and are subjected to 100% end-of-line testing using proprietary test equipment to confirm proper operation before release.