OE Quality
60-Day Returns

MPA Electrical B1050 Power Brake Booster
Reliable Power Brake Booster Replacement for Jeep Models
The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1050) offers a dependable vacuum power brake booster solution for Jeep Cherokee, Comanche, and Wagoneer vehicles. Designed as a standard replacement, this remanufactured booster helps restore proper brake assist performance without including the master cylinder.
Key Features of MPA Electrical B1050 Power Brake Booster
- Remanufactured vacuum power brake booster for reliable brake assist
- Standard replacement grade suitable for Jeep Cherokee, Comanche, and Wagoneer
- Single diaphragm design with a diameter of 221.49 mm (8.72 inches)
- Durable metal housing construction for long-lasting use
- Includes two mounting studs with 3/8-16 master cylinder stud thread size
- Does not include master cylinder, gasket, seal, or mounting bracket
About the Reman Vac Pwr Brake Booster w/o Master Cyl Product Line
The Reman Vac Pwr Brake Booster w/o Master Cyl product line by MPA Electrical focuses on remanufactured vacuum brake boosters designed to replace worn or faulty units without the master cylinder. This line provides a cost-effective solution for restoring brake assist functionality in compatible vehicles, maintaining OEM specifications for fit and performance.
Detailed Product Description
This remanufactured power brake booster (Part Number B1050) is engineered to meet the braking needs of Jeep Cherokee, Comanche, and Wagoneer models. Featuring a single diaphragm with a diameter of 221.49 mm (8.72 inches), it uses vacuum assistance to reduce pedal effort and improve braking response. The metal housing ensures structural integrity and durability under normal operating conditions. With two mounting studs and a 3/8-16 master cylinder stud thread size, it is designed for straightforward installation on compatible Jeep vehicles. Note that this booster does not include the master cylinder, gasket, seal, or mounting bracket, so these components must be sourced separately if needed.
Common Applications and Issues Addressed
- Restores brake pedal assist in Jeep Cherokee, Comanche, and Wagoneer models
- Replaces faulty or leaking vacuum brake boosters
- Solves hard brake pedal or increased pedal effort problems
- Addresses vacuum leaks affecting brake performance
- Improves overall brake system responsiveness and safety
Installation Notes and Tips
Ensure the vehicle is properly supported and the brake system is depressurized before beginning installation. Since this booster does not include the master cylinder or mounting hardware, verify compatibility and availability of these components prior to installation. Follow manufacturer torque specifications for mounting studs and confirm vacuum line connections are secure to prevent leaks. Bleed the brake system after installation to remove any air and restore proper brake function.
Quality Assurance and Warranty
The MPA Electrical B1050 power brake booster is remanufactured to meet standard replacement quality grades, ensuring reliable performance and durability. While specific warranty details are not provided, remanufactured parts typically come with limited warranties covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer for complete coverage information.
| Brand | MPA Electrical |
| Part Number | B1050 |
| Position | Reman Vac Pwr Brake Booster w/o Master Cyl |
| Brake Service Grade | Standard replacement |
| Booster Type | Vacuum |
| Brake Pedal Rod Extension Included | No |
| Diaphragm Type | Single |
| Master Cylinder Included | No |
| Gasket Or Seal Included | No |
| Housing Material | Metal |
| Diaphragm Diameter | 221.49 |
| Diaphragm Diameter | 8.72 |
| Mounting Bracket Included | No |
| Front Seal Included | No |
| Master Cylinder Stud Thread Size (mm) | 3/8-16 |
| Mounting Stud Quantity | 2 |
| Product Condition | Remanufactured |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Jeep | Cherokee | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1990 | Jeep | Comanche | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1990 | Jeep | Wagoneer | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1989 | Jeep | Cherokee | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1989 | Jeep | Comanche | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1989 | Jeep | Wagoneer | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1988 | Jeep | Cherokee | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1988 | Jeep | Comanche | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1988 | Jeep | Wagoneer | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1987 | Jeep | Cherokee | 2.1L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1987 | Jeep | Comanche | 2.1L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1986 | Jeep | Cherokee | 2.1L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1986 | Jeep | Comanche | 2.1L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1985 | Jeep | Cherokee | 2.1L | L4 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1985 | Jeep | Wagoneer | 2.1L | 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.