MPA Electrical B4219 Power Brake Booster

Vacuum Brake Booster for Honda and Acura

MPA Electrical B4219 is a remanufactured vacuum power brake booster built for direct replacement in select Honda and Acura applications. It is engineered to deliver strong braking assist with low pedal effort, using treated replacement components to support vacuum sealing and pressure transfer.

This reman vac pwr brake booster w/o master cyl is a standard replacement part for 2012-2015 Honda Civic, 2013-2015 Acura ILX, 2015-2017 Honda Fit, and 2016-2021 Honda HR-V. The B4219 is a practical choice when the original booster is no longer holding vacuum or is affecting pedal feel.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing for durable brake system service
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket not included
• Front seal and gasket not included
• Master cylinder stud thread size: 8x1.25
• 2 mounting studs

Product Details

MPA Electrical B4219 is designed for drivers who need consistent brake assist in everyday use. The remanufactured construction uses new replacement and specially treated components to help maintain vacuum seal integrity and reliable pressure transfer. Each unit is 100% end-of-line tested with proprietary equipment before release, supporting dependable operation in the brake system.

This part cross-references 01469-T5R-A00 for the same application. It is a direct-fit style replacement for Honda Civic, Honda Fit, Acura ILX, and Honda HR-V applications where the original vacuum booster has failed or lost assist.

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 from a worn booster

Installation Notes

• Verify master cylinder stud thread size is 8x1.25 before installation.
• Transfer or source any required related components separately, since the master cylinder is not included.
• Inspect vacuum supply, check valves, and brake lines before replacing the booster.
• Confirm vehicle fitment by year, make, and model before ordering.

Quality Assurance

MPA Electrical reman brake boosters are tested at the end of production using proprietary test equipment to confirm performance before shipment. The B4219 is built as a remanufactured standard replacement for select Honda and Acura brake applications.