MPA Electrical B3457 Power Brake Booster

Vacuum Brake Booster Overview

This remanufactured vacuum power brake booster is built for drivers who need consistent braking assist and a firm, responsive pedal. MPA Electrical B3457 is a standard replacement unit for Nissan applications that require a booster without the master cylinder.

• Vacuum booster design for braking assist with reduced pedal effort
• Remanufactured standard replacement for direct service use
• Metal housing for durable booster construction
• 8x1.25 master cylinder stud thread size
• Master cylinder, gasket, seal, and mounting bracket not included

Fitment Details

Compatible with Nissan Versa, 2012-2023; Nissan March, 2015-2021; Nissan Note, 2014-2019; and Nissan Versa Note, 2014-2019. Fits 2012-2023 Nissan Versa, N/A. Fits 2015-2021 Nissan March, N/A. Fits 2014-2019 Nissan Note, N/A. Fits 2014-2019 Nissan Versa Note, N/A.

MPA Electrical B3457 is cross-referenced to OE-style part numbers 47210-3BA0A and D7210-3BA0A for the same application.

Common Replacement Uses

• Restores braking assist when pedal effort has increased
• Addresses vacuum seal loss in the booster assembly
• Replaces a worn or failing booster housing
• Supports repair when the original booster no longer transfers pressure reliably

Installation Notes

Verify master cylinder stud thread size, pedal rod setup, and firewall mounting points before installation. This booster is supplied without the master cylinder, so transfer or source the matching hydraulic components separately as needed. Confirm the vehicle-specific brake system configuration against the listed fitment before service.

Quality Assurance

MPA Electrical tests every unit at the end of production using proprietary equipment to verify performance and sealing. The remanufactured design uses new replacement and specially treated components to support vacuum retention and pressure transfer.