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MPA Electrical B3191 Power Brake Booster
| Brand | MPA Electrical B3191 |
|---|---|
| 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 | 11.2 |
| Diaphragm Diameter | 284.48 |
| 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 · 2 vehicles |
Standard replacement. Remanufactured vacuum booster for dependable brake assist.
Metal housing. Built with treated components for a reliable vacuum seal.
100% tested. Each unit is end-of-line tested for consistent pressure transfer.
Cross-references 4461007120 and 4461007121 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Remanufactured Brake Booster for Toyota Avalon
MPA Electrical B3191 is a remanufactured vacuum power brake booster for select 2006-2007 Toyota Avalon models. Built for standard replacement use, it is engineered to deliver strong braking assist with reduced pedal effort while maintaining reliable vacuum sealing and pressure transfer.
The MPA Electrical brake booster line focuses on remanufactured replacement units that are tested for end-of-line performance. This B3191 booster is a direct-fit vacuum booster for Avalon brake service where the original booster has lost assist, developed a vacuum leak, or no longer holds consistent pedal feel.
- Remanufactured vacuum power brake booster
- Standard replacement brake service grade
- Metal housing construction
- 11.2 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
- Mounting bracket, gasket/seal, and front seal not included
Detailed Product Overview
Designed for 2006-2007 Toyota Avalon brake systems, MPA Electrical B3191 restores vacuum-assisted braking performance in vehicles that need a replacement booster without the master cylinder. The remanufactured design uses specially treated components and new replacement parts where required to help maintain vacuum integrity and consistent assist under pedal input. If you are searching for a reman vacuum brake booster for Toyota Avalon B3191, this unit matches the listed application and hardware configuration.
This part cross-references OE numbers 4461007120 and 4461007121 for the same application.
What It Helps Fix
- Hard brake pedal feel
- Reduced brake assist from a failing vacuum booster
- Vacuum leakage at the booster housing
- Inconsistent pedal response during braking
- Brake performance loss caused by booster wear
Installation Notes and Tips
Verify the existing booster configuration before installation, including master cylinder stud thread size, mounting stud count, and diaphragm diameter. This B3191 is supplied without the master cylinder, brake pedal rod extension, gasket or seal, front seal, or mounting bracket, so reuse or source the correct related components as needed for the vehicle. Confirm fitment for 2006-2007 Toyota Avalon before removal of the original unit.
Quality Assurance
MPA Electrical reman brake boosters are tested at the end of the production process with proprietary equipment to confirm performance and vacuum sealing. The remanufacturing process is focused on restoring dependable braking assist for the specified Toyota Avalon applications.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2007 | Toyota | Avalon | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 2006 | Toyota | Avalon | Reman Vac Pwr Brake Booster w/o Master Cyl |
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