MPA Electrical
Reman Vac Pwr Brake Booster w/o Master Cyl

MPA Electrical B3112 Power Brake Booster

Brand MPA Electrical B3112
Brake Service Grade Standard replacement
Booster Type Vacuum
Brake Pedal Rod Extension Included No
Master Cylinder Included No
Gasket Or Seal Included No
Housing Material Metal
Diaphragm Diameter 223.52
Diaphragm Diameter 8.8
Mounting Bracket Included No
Front Seal Included No
Master Cylinder Stud Thread Size (mm) 8 x 1.25
Mounting Stud Quantity 2
Product Condition Remanufactured
Product line Reman Vac Pwr Brake Booster w/o Master Cyl
Fits Toyota · 7 vehicles

Remanufactured unit. Standard replacement vacuum booster for dependable brake assist.

Metal housing. Built with specially treated components for a reliable vacuum seal.

100% end-of-line tested. Each unit is checked with proprietary equipment before release.

Cross-references 446103D160 and 446103D450 for the same application. See all 2.

$246.84Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $246.84
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Reman Vacuum Brake Booster for Toyota Pickup

Restore firm, consistent brake assist with this remanufactured vacuum power brake booster from MPA Electrical. Built for 1989-1995 Toyota Pickup applications, part number B3112 is a standard replacement booster designed to reduce pedal effort and support reliable braking response.

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on remanufactured vacuum boosters with treated replacement components and end-of-line testing. That approach helps deliver dependable vacuum sealing and pressure transfer for Toyota Pickup brake service.

  • Remanufactured vacuum power brake booster
  • Standard replacement brake service grade
  • Metal housing construction
  • 223.52 mm / 8.8 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
  • Gasket or seal not included
  • Mounting bracket not included

Detailed Product Overview

MPA Electrical B3112 is a reman vacuum brake booster engineered for direct replacement in 1989-1995 Toyota Pickup models. It is built to restore vacuum-assisted braking performance by increasing assist at the pedal, which is important when the original booster shows signs of wear, leakage, or reduced vacuum retention. This part cross-references Toyota OE numbers 446103D160 and 446103D450 for the same application.

For buyers searching for a Toyota Pickup brake booster replacement, Toyota Pickup vacuum booster, or remanufactured power brake booster without master cylinder, B3112 provides the core booster assembly only. Confirm your existing brake system layout and mounting points before ordering.

Common Brake Booster Symptoms

  • Hard brake pedal feel
  • Reduced brake assist during stops
  • Vacuum leak noise near the booster area
  • Longer pedal travel than normal
  • Inconsistent braking response on Toyota Pickup trucks

Installation Notes

Verify master cylinder compatibility, stud thread size, and booster mounting configuration before installation. Because the master cylinder is not included, transfer or replace related brake components as needed during service. After installation, inspect for vacuum leaks and confirm proper pedal height and brake assist before returning the vehicle to service.

Quality Assurance

MPA Electrical remanufactured brake boosters are 100% end-of-line tested with proprietary equipment to verify performance before release. The booster is built with new replacement and specially treated components to support maximum vacuum seal and consistent pressure transfer.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeTransmissionLitersCylindersNotes
1995ToyotaPickupRWD—2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
1994ToyotaPickupRWD—2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
1993ToyotaPickupRWD—2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
1992ToyotaPickupRWD—2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
1991ToyotaPickupRWD—2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
1990ToyotaPickupRWDAutomatic2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
1989ToyotaPickupRWDAutomatic2.4LL4Reman Vac Pwr Brake Booster w/o Master Cyl
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
446103D160446103D450