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MPA Electrical B1215 Power Brake Booster
| Brand | MPA Electrical B1215 |
|---|---|
| Brake Service Grade | Standard replacement |
| Booster Type | Vacuum |
| Brake Pedal Rod Extension Included | Yes |
| Master Cylinder Included | No |
| Gasket Or Seal Included | No |
| Housing Material | Metal |
| Diaphragm Diameter | 242.57 |
| Diaphragm Diameter | 9.55 |
| 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 | Ford · 4 vehicles |
Standard replacement. Remanufactured vacuum booster for straightforward brake service.
Metal housing. Durable construction supports reliable vacuum assist and pressure transfer.
Tested end of line. Each unit is checked for consistent braking assist and pedal feel.
Cross-references 4R3Z 2005-AA, 5R3Z 2005-A and 7R3Z 2005-A for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Remanufactured Vacuum Brake Booster for Mustang
MPA Electrical B1215 is a remanufactured vacuum power brake booster for 2005-2008 Ford Mustang applications. It is built for standard replacement service and is engineered to deliver strong braking assist with reduced pedal effort.
The MPA Electrical brake booster line focuses on remanufactured vacuum boosters with treated replacement components and end-of-line testing for consistent vacuum sealing and pressure transfer. This B1215 unit is supplied without a master cylinder and includes the brake pedal rod extension.
Key Features
- Remanufactured vacuum power brake booster
- Standard replacement brake service grade
- Fits 2005-2008 Ford Mustang, N/A
- Brake pedal rod extension included
- Metal housing construction
- 242.57 mm / 9.55 in diaphragm diameter
- Master cylinder not included
- 2 mounting studs with 8 x 1.25 mm master cylinder stud thread size
Detailed Description
MPA Electrical B1215 is a reman vac pwr brake booster w/o master cyl designed for Ford Mustang brake system service. As a vacuum booster, it uses engine vacuum to multiply pedal force and improve brake response. The remanufactured construction and tested sealing surfaces support reliable vacuum retention and consistent assist performance in daily driving conditions.
This part cross-references OE-style numbers 4R3Z 2005-AA and 5R3Z 2005-A for the same application. Use B1215 when replacing a worn or leaking booster on 2005-2008 Ford Mustang models that require a vacuum brake booster without a master cylinder.
What It Helps Address
- Hard brake pedal feel
- Reduced braking assist
- Vacuum leak at the booster
- Inconsistent pedal response
- Brake booster wear on Ford Mustang brake systems
Installation Notes and Tips
Verify the vehicle uses a vacuum booster configuration before installation. Transfer or inspect the master cylinder separately, since this unit does not include one. Confirm pedal rod alignment, mounting stud spacing, and master cylinder thread size before assembly on 2005-2008 Ford Mustang applications.
Quality Assurance
MPA Electrical subjects each booster to 100% end-of-line testing using proprietary test equipment to verify vacuum seal and pressure transfer performance. The remanufactured design uses new replacement and specially treated components to support consistent operation.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2008 | Ford | Mustang | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 2007 | Ford | Mustang | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 2006 | Ford | Mustang | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 2005 | Ford | Mustang | Reman Vac Pwr Brake Booster w/o Master Cyl |
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