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MPA Electrical B3268 Power Brake Booster
| Brand | MPA Electrical B3268 |
|---|---|
| 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 | 247.4 |
| Diaphragm Diameter | 9.74 |
| 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 |
Remanufactured design. Standard replacement booster built for service repair.
Vacuum booster. Engineered for braking assist with reduced pedal effort.
End-of-line tested. Each unit is checked with proprietary testing equipment.
Cross-references 4461008030 and 4461008040 for the same application. See all 2.
Overview
This remanufactured vacuum power brake booster is built for drivers who need consistent braking assist and lower pedal effort. It is a standard replacement unit for the Toyota Sienna and is identified by part number B3268.
MPA Electrical tests each unit at the end of production to verify performance, vacuum sealing, and pressure transfer. The B3268 is supplied without a master cylinder, matching the product configuration shown here.
Key Features
- Vacuum booster design for power-assisted braking
- Remanufactured standard replacement construction
- Metal housing for durable service
- 247.4 mm diaphragm diameter for braking assist output
- 8 x 1.25 mm master cylinder stud thread size
- Part number B3268 for ordering and catalog lookup
Detailed Description
The B3268 power brake booster is engineered to restore braking assist in applications that use a vacuum-operated booster assembly. It is built with treated replacement components to support vacuum sealing and pressure transfer, and it is tested before release to confirm function. This unit is a fit for 2002-2003 Toyota Sienna models, and the Toyota Sienna fitment is listed with no position designation.
Because the master cylinder is not included, this booster is intended for service jobs where the existing master cylinder is reused or sourced separately. The metal housing, two mounting studs, and standard replacement design make it a direct service part for brake system repair. Part number B3268 should be used when matching the correct booster configuration.
Used For
- Restoring brake pedal assist when the pedal feels hard
- Addressing vacuum loss in the booster assembly
- Replacing a worn or failed brake booster
- Correcting inconsistent braking response during normal driving
Installation Notes
Verify master cylinder compatibility before installation, since this booster does not include a master cylinder. Confirm the 8 x 1.25 mm stud thread size and the two-stud mounting layout against the original part. Use the vehicle application details for 2002-2003 Toyota Sienna to confirm the correct service part before removal.
Quality Assurance
MPA Electrical subjects each unit to 100% end-of-line testing using proprietary equipment. This remanufactured booster is built and checked to support reliable braking assist and consistent vacuum sealing. Cross-reference part numbers include 4461008030 and 4461008040 for the same application.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2003 | Toyota | Sienna | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 2002 | Toyota | Sienna | Reman Vac Pwr Brake Booster w/o Master Cyl |
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