MPA Electrical B3141 Power Brake Booster

Remanufactured Vacuum Brake Booster for Frontier and Xterra

MPA Electrical B3141 is a remanufactured vacuum power brake booster for Nissan Frontier and Nissan Xterra applications. It is built for drivers who need consistent brake assist with lower pedal effort, using a standard replacement design for direct service use.

This MPA Electrical brake booster is a vacuum type unit with a metal housing, 247.4 mm (9.74 in.) diaphragm diameter, and 8 x 1.25 mm master cylinder stud thread size. The MPA Electrical B3141 is supplied without a master cylinder, brake pedal rod extension, gasket or seal, front seal, or mounting bracket.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing construction
• 247.4 mm / 9.74 in. diaphragm diameter
• 2 mounting studs
• 8 x 1.25 mm master cylinder stud thread size
• Master cylinder not included
• Brake pedal rod extension not included

Product Details

MPA Electrical’s reman vac pwr brake booster w/o master cyl line focuses on restored braking assist performance for everyday repair work. Each unit is remanufactured, then tested at the end of the production process with proprietary equipment to verify vacuum seal integrity, pressure transfer, and overall function. For Nissan Frontier and Nissan Xterra brake repair, B3141 provides a service-ready replacement that matches the vacuum booster application without adding a master cylinder.

This part cross-references Nissan OE 47210-ZP04B for the same application.

What It Helps Fix

• Hard brake pedal feel
• Reduced brake assist
• Vacuum leak concerns at the booster
• Inconsistent pedal response during braking
• Booster-related brake performance loss

Installation Notes

Verify master cylinder stud thread size, mounting stud layout, and booster dimensions before installation. Because the master cylinder is not included, transfer or replace related brake components as needed during service. Confirm fitment for 2005-2021 Nissan Frontier and 2005-2015 Nissan Xterra before ordering.

• Fits 2005-2021 Nissan Frontier, N/A
• Fits 2005-2015 Nissan Xterra, N/A

Quality Assurance

MPA Electrical reman brake boosters are end-of-line tested using proprietary equipment to confirm vacuum sealing and pressure transfer performance. The remanufactured construction and tested output support dependable brake assist for routine replacement service.