MPA Electrical B3731 Power Brake Booster

Overview

This remanufactured vacuum power brake booster is built for braking systems that need strong assist with low pedal effort. It is a standard replacement unit from MPA Electrical, with tested sealing and pressure transfer for consistent brake feel.

Key Features

• Vacuum booster design for power-assisted braking
• Remanufactured standard replacement construction
• Metal housing with a 246.63 mm diaphragm diameter
• 8 x 1.25 mm master cylinder stud thread size
• Brake pedal rod extension, master cylinder, gasket, seal, and mounting bracket not included

Detailed Description

MPA Electrical B3731 is a reman vacuum power brake booster engineered for reliable vacuum seal and pressure transfer. It is built with specially treated replacement components and tested at the end of production to verify performance. This unit is a direct fit for 2003-2006 Nissan Murano brake booster replacement applications, and it cross-references 47210CA020 for the same application. The B3731 is intended for buyers replacing a worn booster on a Nissan Murano while keeping the original brake system layout intact.

Common Repair Uses

• Restores brake assist when pedal effort becomes high
• Addresses vacuum seal loss in the booster assembly
• Helps correct inconsistent or reduced pressure transfer
• Replaces a worn reman vacuum brake booster on the vehicle

Installation Notes

Verify master cylinder stud thread size, mounting stud count, and booster dimensions before installation. This unit does not include the master cylinder, gasket or seal, mounting bracket, or brake pedal rod extension. Confirm the vehicle’s brake system configuration matches the listed fitment for 2003-2006 Nissan Murano.

Quality Assurance

MPA Electrical subjects each unit to 100% end-of-line testing using proprietary equipment. The remanufactured B3731 is built to meet standard replacement requirements for consistent braking assist.