MPA Electrical B1303 Power Brake Booster

Vacuum Brake Booster for Chrysler and Dodge

MPA Electrical B1303 is a remanufactured vacuum power brake booster built for direct replacement in select Chrysler and Dodge applications. It is engineered to deliver strong braking assist with low pedal effort, helping restore consistent brake feel in everyday driving.

This reman vac pwr brake booster w/o master cyl is designed for 2011-2014 Chrysler 200, 2008-2014 Dodge Avenger, 2009-2011 Dodge Journey, and 2007-2010 Chrysler Sebring applications. The B1303 uses a metal housing, a 248.41 mm (9.78 in.) diaphragm diameter, two mounting studs, and an 8 x 1.25 mm master cylinder stud thread size.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing for OE-style fitment
• 248.41 mm / 9.78 in. diaphragm diameter
• Two mounting studs
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket, gasket or seal, and front seal not included

Product Details

MPA Electrical’s remanufactured brake booster line is built around vacuum-assist braking performance and end-of-line testing. According to the manufacturer, each unit is assembled with replacement and specially treated components to support vacuum sealing, pressure transfer, and consistent assist under braking demand. Part number B1303 is a direct-fit style replacement for Chrysler 200, Dodge Avenger, Dodge Journey, and Chrysler Sebring models listed in the fitment data.

This part cross-references Chrysler OE numbers 6803555AA and 6803555AB for the same application.

Common Brake Booster Issues It Can Address

• Hard brake pedal feel
• Reduced brake assist from vacuum loss
• Inconsistent pedal response during stops
• Booster diaphragm or internal seal wear
• Brake assist concerns on reman replacement service

Installation Notes

• Verify master cylinder stud thread size is 8 x 1.25 mm before installation.
• Confirm the vehicle uses a vacuum booster setup and matches the listed fitment.
• Transfer or source any required seals, gaskets, or mounting components separately, since they are not included.
• Inspect the brake pedal linkage and vacuum supply line before installing the new booster.
• Bleed and test the brake system after installation to confirm proper pedal feel and assist.

Quality Assurance

MPA Electrical states that each brake booster is 100% end-of-line tested with proprietary equipment to verify performance before release. The remanufactured construction and tested vacuum-assist design support dependable replacement service for the listed Chrysler and Dodge vehicles.