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MPA Electrical B3193 Power Brake Booster
Vacuum Brake Booster for Mazda Protege
MPA Electrical B3193 is a remanufactured vacuum power brake booster built for consistent brake assist and reduced pedal effort. It is a standard replacement for select Mazda Protege and Protege5 applications, with no master cylinder included.
Key Features
- Remanufactured vacuum power brake booster
- Standard replacement brake service grade
- Metal housing for durable construction
- 222.25 mm / 8.75 in diaphragm diameter
- 8 x 1.25 mm master cylinder stud thread size
- 2 mounting studs
- No brake pedal rod extension included
- No master cylinder, gasket, seal, front seal, or mounting bracket included
Product Details
The MPA Electrical B3193 reman vac pwr brake booster w/o master cyl is engineered to restore vacuum-assisted braking performance in 2001-2003 Mazda Protege and 2002-2003 Mazda Protege5 models. MPA Electrical reman brake boosters are built with treated replacement components to help maintain vacuum sealing, pressure transfer, and dependable pedal response. Each unit is end-of-line tested with proprietary equipment before release.
This part cross-references Monroe Shocks & Struts (e.g., BL8M43800) for the same application. Search terms such as Mazda Protege brake booster replacement, Mazda Protege5 vacuum brake booster, and B3193 reman brake booster for Mazda can help identify the correct part for your vehicle.
What It Helps Fix
- Hard brake pedal feel
- Reduced brake assist from vacuum loss
- Inconsistent pedal response during braking
- Brake booster leakage related to worn internal components
- Brake assist issues on Mazda Protege and Protege5 models
Installation Notes
Verify master cylinder compatibility before installation, since the master cylinder is not included. Confirm the 8 x 1.25 mm stud thread size and the 2-stud mounting layout match the original unit on your Mazda Protege or Protege5. Inspect vacuum lines, pedal linkage, and sealing surfaces during replacement to help ensure proper brake assist after installation.
Quality Assurance
MPA Electrical remanufactures this brake booster with tested replacement components and subjects every unit to 100% end-of-line testing to verify performance before shipment.
| Brand | MPA Electrical |
|---|---|
| Part Number | B3193 |
| 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 | 222.25 |
| Diaphragm Diameter | 8.75 |
| 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 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Mazda | Protege | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 2003 | Mazda | Protege5 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 2002 | Mazda | Protege | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 2002 | Mazda | Protege5 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 2001 | Mazda | Protege | 2.0L | 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.