MPA Electrical B1085 Power Brake Booster

Reliable Power Brake Booster for Jeep TJ and Wrangler

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1085) is designed to restore proper brake assist performance in Jeep TJ and Wrangler models. This remanufactured vacuum power brake booster offers a standard replacement solution for vehicles requiring dependable braking support.

• Remanufactured vacuum power brake booster
• Compatible with Jeep TJ and Wrangler models
• Dual diaphragm design with 223.77 mm (8.81 inch) diameter
• Metal housing for durability
• Includes 2 mounting studs with 8 x 1.25 mm master cylinder stud thread size
• Standard brake service grade replacement

Product Line Details: Reman Vac Pwr Brake Booster w/o Master Cyl

This product is part of the MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl line, which focuses on remanufactured vacuum power brake boosters without the master cylinder included. This line provides a cost-effective option for restoring brake booster function while allowing customers to retain their existing master cylinder and related components.

Technical Description and Features

The B1085 power brake booster features a dual diaphragm design, measuring 223.77 mm (8.81 inches) in diameter, which helps provide consistent vacuum assist to the brake pedal. The metal housing ensures structural integrity and long-term durability under typical operating conditions. This booster does not include a master cylinder, gasket, seal, front seal, brake pedal rod extension, or mounting bracket, so it is intended for use with existing compatible components. The unit mounts using two studs with an 8 x 1.25 mm thread size, matching factory specifications for Jeep TJ and Wrangler models.

Common Applications and Problem Resolution

• Restores brake pedal assist in Jeep TJ and Wrangler vehicles
• Addresses hard or unresponsive brake pedal issues
• Replaces faulty or leaking vacuum brake boosters
• Improves brake system reliability without replacing master cylinder
• Solves vacuum-related brake assist failures

Installation Notes and Tips

Installation requires removal of the existing power brake booster and careful alignment of the mounting studs. Since this unit does not include a master cylinder or mounting hardware, ensure that your existing master cylinder and seals are in good condition before installation. Verify the 8 x 1.25 mm stud thread size compatibility and confirm that the brake pedal rod extension is not required for your application. Proper vacuum line connections must be maintained for optimal booster performance.

Quality Assurance and Warranty

This remanufactured power brake booster meets standard brake service grade requirements and undergoes thorough inspection to ensure functionality and durability. The product condition is remanufactured to provide a reliable replacement option. Warranty details are provided by MPA Electrical and should be confirmed at the time of purchase.