MPA Electrical B1048 Power Brake Booster

Remanufactured Vacuum Brake Booster for Jeep Cherokee

MPA Electrical B1048 is a remanufactured vacuum power brake booster for 1997-2001 Jeep Cherokee applications. It is built for standard replacement service and is engineered to deliver strong braking assist with reduced pedal effort.

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line focuses on restored vacuum sealing, consistent pressure transfer, and end-of-line testing for dependable brake system performance. This B1048 unit is a direct-fit style replacement for Jeep Cherokee owners servicing the booster only, without a master cylinder included.

Key Features

• Fits 1997-2001 Jeep Cherokee, N/A
• Vacuum booster design with dual diaphragm construction
• Remanufactured metal housing for standard replacement service
• Master cylinder not included
• Brake pedal rod extension not included
• Mounting bracket not included
• Front seal not included
• Master cylinder stud thread size: 8 x 1.25 mm
• Two mounting studs
• Diaphragm diameter: 224.03 mm / 8.82 in

Product Details

MPA Electrical B1048 is a remanufactured vacuum brake booster designed for Jeep Cherokee braking systems that require a standard replacement booster without a master cylinder. The dual diaphragm layout helps provide braking assist with less pedal effort, while specially treated replacement components are used to support vacuum sealing and pressure transfer. Each unit is 100% end-of-line tested with proprietary equipment before release.

This part cross-references Chrysler OE numbers 4856672 and 4856672AB for the same application. If you are searching for a reman vacuum brake booster for Jeep Cherokee 1997-2001, B1048 is the part number to reference.

Common Repair Symptoms

• Hard brake pedal feel
• Reduced brake assist during stopping
• Vacuum leak at the booster assembly
• Inconsistent pedal response
• Brake system service after booster wear or failure

Installation Notes

Verify the booster mounting pattern, master cylinder stud thread size, and pedal linkage configuration before installation. Because the master cylinder is not included, transfer or replace related brake components as needed during service. Confirm vacuum hose condition and inspect the brake system for leaks before returning the vehicle to service.

Quality Assurance

MPA Electrical remanufactured brake boosters are tested at the end of production using dedicated test equipment to confirm function and sealing performance. The reman process uses new replacement and specially treated components to help restore reliable operation for Jeep Cherokee brake service.