MPA Electrical B3023 Power Brake Booster

Reman Vacuum Brake Booster for Toyota and Lexus

MPA Electrical B3023 is a remanufactured vacuum power brake booster built for direct replacement on select Toyota and Lexus applications. It is engineered for strong braking assist with low pedal effort, using treated replacement components and end-of-line testing to support consistent vacuum sealing and pressure transfer.

Compatible with 1993-1997 Toyota Land Cruiser and 1996-1997 Lexus LX450, this MPA Electrical brake booster is a practical OE-style solution for restoring brake pedal feel. The B3023 part number is also cross-referenced for the same application.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing construction
• 247.14 mm / 9.73 in diaphragm diameter
• 2 mounting studs with 8 x 1.25 mm master cylinder stud thread size
• 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 Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on remanufactured brake assist components for replacement service. This B3023 unit is built as a vacuum booster only, making it suitable when replacing a worn booster while retaining the existing master cylinder. The remanufacturing process uses new replacement and specially treated components to help maintain vacuum integrity and reliable assist performance. Each unit is 100% end-of-line tested with proprietary equipment before release.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Hard brake pedal feel
• Reduced brake assist from a failing vacuum booster
• Brake pedal effort that has increased over time
• Loss of vacuum seal in the booster assembly
• Inconsistent braking response on Toyota Land Cruiser and Lexus LX450 applications

Installation Notes

Verify master cylinder condition before installation, since the master cylinder is not included. Confirm the 8 x 1.25 mm stud thread size and 2-stud mounting layout match the vehicle before assembly. Inspect vacuum hoses, check valves, and pedal linkage components during service to avoid repeat brake assist issues.

Quality Assurance

Each MPA Electrical B3023 brake booster is subjected to 100% end-of-line testing using proprietary test equipment to confirm function before shipment. The remanufactured design uses treated replacement components to support vacuum sealing and pressure transfer consistency.