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MPA Electrical B3031 Power Brake Booster
| Brand | MPA Electrical B3031 |
|---|---|
| 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 | 242.82 |
| Diaphragm Diameter | 9.56 |
| 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 | Geo and Toyota · 12 vehicles |
Remanufactured unit. Standard replacement booster for restoring vacuum-assisted brake performance.
Metal housing. Durable construction with a 242.82 mm diaphragm diameter.
End-of-line tested. Each unit is checked with proprietary equipment before release.
Cross-references 94847510, 94851269 and 4461012750 for the same application. See all 4.
Vacuum Brake Booster Replacement
This remanufactured vacuum power brake booster is built for direct brake assist restoration on select Toyota and Geo applications. MPA Electrical part B3031 is a standard replacement unit that helps restore pedal feel and braking response when the original booster is no longer sealing or transferring vacuum properly.
Key Features
- Remanufactured vacuum booster for standard replacement service
- Metal housing for durable brake system construction
- 242.82 mm (9.56 in.) diaphragm diameter
- 8 x 1.25 mm master cylinder stud thread size
- Two mounting studs for secure installation
- Master cylinder, gasket, seal, and pedal rod extension not included
Detailed Description
MPA Electrical B3031 is a remanufactured power brake booster engineered to restore vacuum-assisted braking performance with minimal pedal effort. It is built with specially treated replacement components and tested at the end of production to verify vacuum sealing and pressure transfer. This booster is a fitment-based replacement for 1983-1986 Toyota Camry, 1988-1992 Toyota Corolla, and 1990-1992 Geo Prizm applications. The B3031 part number is useful when matching the correct booster for a Toyota Corolla, Toyota Camry, or Geo Prizm brake system service.
What It Helps Address
- Hard brake pedal feel caused by booster wear or vacuum loss
- Reduced braking assist during normal pedal application
- Vacuum seal issues that affect pressure transfer
- Brake system service needs where the original booster is no longer functioning correctly
Installation Notes and Tips
Verify master cylinder stud thread size, mounting stud layout, and booster dimensions before installation. This unit does not include the master cylinder, mounting bracket, gasket or seal, front seal, or brake pedal rod extension. Confirm fitment against the vehicle application and brake system configuration before assembly.
Quality Assurance
MPA Electrical subjects each unit to 100% end-of-line testing using proprietary equipment to confirm performance before release. Part number B3031 is a remanufactured brake booster built to standard replacement specifications.
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|---|---|
| 1992 | Geo | Prizm | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1992 | Toyota | Corolla | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1991 | Geo | Prizm | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1991 | Toyota | Corolla | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1990 | Geo | Prizm | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1990 | Toyota | Corolla | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1989 | Toyota | Corolla | SR5 All Trac | Wagon | AWD | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1988 | Toyota | Corolla | SR5 All Trac | Wagon | AWD | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1986 | Toyota | Camry | — | — | — | 2.0L | L4 | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1985 | Toyota | Camry | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1984 | Toyota | Camry | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1983 | Toyota | Camry | — | — | — | — | — | Reman Vac Pwr Brake Booster w/o Master Cyl |
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