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MPA Electrical B3112 Power Brake Booster
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.
| Brand | MPA Electrical |
|---|---|
| Part Number | B3112 |
| Position | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 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 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1995 | Toyota | Pickup | RWD | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1994 | Toyota | Pickup | RWD | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1993 | Toyota | Pickup | RWD | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1992 | Toyota | Pickup | RWD | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1991 | Toyota | Pickup | RWD | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1990 | Toyota | Pickup | RWD | Automatic | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1989 | Toyota | Pickup | RWD | Automatic | 2.4L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.