MPA Electrical B3012 Power Brake Booster

Reman Vacuum Brake Booster for Toyota Trucks

MPA Electrical B3012 is a remanufactured vacuum power brake booster built for direct replacement on select Toyota applications. It is engineered for consistent vacuum sealing and smooth pressure transfer, helping restore normal brake pedal feel on the Toyota Tundra and Toyota Sequoia.

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on replacement units that are tested for end-of-line performance and built with treated components for dependable operation. Part number B3012 is a standard replacement vacuum booster with a metal housing and a 10.75-inch diaphragm diameter.

Key Features

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Metal housing construction
• 10.75 in. diaphragm diameter
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting stud thread size: 8 x 1.25 mm
• Two mounting studs
• 100% end-of-line tested by the manufacturer

Detailed Description

MPA Electrical B3012 is designed as a reman vacuum brake booster for vehicles that use vacuum-assisted braking. It is built to deliver braking assist with reduced pedal effort, while replacement and specially treated internal components support vacuum sealing and pressure transfer. This part number is a direct-fit style replacement for 2000-2006 Toyota Tundra and 2001 Toyota Sequoia applications listed in the fitment data.

This part cross-references OE-style numbers 446100C010 and 446100C011 for the same application. If you are replacing a worn booster on a Toyota Tundra or Toyota Sequoia, B3012 provides the core booster assembly without a master cylinder.

What It Helps Fix

• Hard brake pedal feel
• Reduced brake assist from a failing vacuum booster
• Brake pedal effort that has increased over time
• Vacuum seal loss in the booster assembly
• Brake assist inconsistency during normal driving

Installation Notes

Verify master cylinder compatibility before installation, since the master cylinder is not included. Confirm the 8 x 1.25 mm master cylinder stud thread size and the two-stud mounting layout match the original brake booster. Inspect the brake pedal rod connection, vacuum supply, and related brake system components during replacement.

Compatible With 2000-2006 Toyota Tundra and 2001 Toyota Sequoia, vacuum brake booster applications. Use the listed fitment and OE cross-reference numbers to confirm application before installation.

Quality Assurance

MPA Electrical remanufactures this brake booster with tested replacement components and subjects each unit to 100% end-of-line testing using proprietary equipment to verify performance before release.