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MPA Electrical B5028 Power Brake Booster
| Brand | MPA Electrical B5028 |
|---|---|
| Brake Service Grade | Standard replacement |
| Booster Type | Hydraulic |
| Brake Pedal Rod Extension Included | No |
| Master Cylinder Included | No |
| Gasket Or Seal Included | No |
| Housing Material | Metal |
| Mounting Bracket Included | Yes |
| Master Cylinder Stud Thread Size (mm) | 10 x 1.50 |
| Mounting Stud Quantity | 2 |
| Product Condition | Remanufactured |
| Product line | Reman Hyd Pwr Brake Booster w/o Master Cyl |
| Fits | Hummer · 3 vehicles |
Standard replacement. Remanufactured hydraulic brake booster for dependable braking assist.
Metal housing. Durable construction with a mounting bracket included.
Tested end of line. Each unit is checked for reliable pressure transfer and vacuum seal.
Cross-references 15212823, 15813688 and 15861643 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Hydraulic Brake Booster for Hummer H2
MPA Electrical B5028 is a remanufactured hydraulic power brake booster built for 2005-2007 Hummer H2 applications. It is engineered to deliver strong braking assist with reduced pedal effort, helping restore consistent brake feel in vehicles that rely on hydraulic boost rather than a vacuum booster.
The MPA Electrical brake booster line focuses on replacement-ready units with treated components, improved sealing surfaces, and end-of-line testing. This B5028 reman hyd pwr brake booster w/o master cyl is a direct-fit service part for Hummer H2 brake system repair where the booster is the failed component and the master cylinder is reused.
Key Features
- Remanufactured hydraulic power brake booster
- Standard replacement brake service grade
- Fits 2005-2007 Hummer H2
- Master cylinder not included
- Brake pedal rod extension not included
- Housing constructed from metal
- Mounting bracket included
- 10 x 1.50 mm master cylinder stud thread size
- Two mounting studs
- Part number B5028
Product Details
MPA Electrical B5028 is designed for hydraulic brake assist systems and is remanufactured to restore braking performance on the Hummer H2. The unit is tested at the end of production to verify operation and pressure transfer, while replacement and specially treated internal components help maintain vacuum seal integrity and consistent assist response. This part cross-references OE numbers 15212823 and 15813688 for the same application.
Common Brake Issues It Can Address
- Hard brake pedal feel
- Reduced brake assist
- Inconsistent pedal response
- Brake booster leakage
- Loss of hydraulic boost performance
Installation Notes
Fits 2005-2007 Hummer H2, N/A. Verify hydraulic brake system configuration, mounting points, and master cylinder stud thread size before installation. Transfer the master cylinder as needed, since this B5028 unit does not include one. Inspect related brake lines, seals, and pedal linkage components during service to confirm the repair addresses the full cause of the brake assist concern.
Quality Assurance
MPA Electrical subjects each booster to 100% end-of-line testing using proprietary test equipment. The remanufactured construction and tested output help support reliable brake assist performance for Hummer H2 brake service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Hummer | H2 | N/A | Reman Hyd Pwr Brake Booster w/o Master Cyl |
| 2006 | Hummer | H2 | N/A | Reman Hyd Pwr Brake Booster w/o Master Cyl |
| 2005 | Hummer | H2 | N/A | Reman Hyd Pwr Brake Booster w/o Master Cyl |
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