MPA Electrical B5003 Power Brake Booster

Hydraulic Brake Booster for Ram Trucks

MPA Electrical B5003 is a remanufactured hydraulic power brake booster built for direct replacement service on select Dodge Ram trucks. It is engineered to deliver strong braking assist with reduced pedal effort, making it a practical choice for restoring consistent brake feel on Ram 1500, Ram 2500, and Ram 3500 applications.

This hydraulic booster is a standard replacement unit with a metal housing, integrated mounting bracket, and a 3/8-16 master cylinder stud thread size. The booster is supplied without a master cylinder, brake pedal rod extension, gasket or seal, or front seal.

Key Features

• Remanufactured hydraulic power brake booster
• Standard replacement brake service grade
• Metal housing for durable service
• Mounting bracket included
• Two mounting studs for installation
• Master cylinder not included
• Brake pedal rod extension not included
• 3/8-16 master cylinder stud thread size

Product Details

The MPA Electrical B5003 reman hyd pwr brake booster w/o master cyl is built for drivers who need dependable brake assist in demanding stop-and-go and towing conditions. MPA Electrical reman boosters are tested for vacuum sealing, pressure transfer, and end-of-line performance to help restore proper hydraulic brake operation. For buyers searching for a Dodge Ram 2500 brake booster, Dodge Ram 3500 hydraulic brake booster, or a 2000 Dodge Ram 1500 power brake booster, this unit matches the listed applications and part requirements. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Hard brake pedal feel
• Reduced brake assist
• Inconsistent pedal response
• Brake booster vacuum or hydraulic sealing issues
• Loss of braking performance caused by a worn booster assembly

Installation Notes

Verify the existing booster style, master cylinder stud thread size, and mounting configuration before installation. This hydraulic booster is listed without a master cylinder, so transfer or replace related brake components as needed during service. Confirm fitment for 1998-2002 Dodge Ram 2500, 1998-2002 Dodge Ram 3500, and 2000 Dodge Ram 1500 before ordering. The part number B5003 should be matched against the vehicle’s original booster and interchange references during diagnosis and replacement.

Quality Assurance

MPA Electrical reman brake boosters are subjected to 100% end-of-line testing using proprietary equipment to verify performance before release. The remanufacturing process uses new replacement and specially treated components to support vacuum sealing, pressure transfer, and consistent braking assist. Part number B5003 is built to meet standard replacement expectations for service work on Dodge Ram brake systems.