MPA Electrical B1098 Power Brake Booster

Reliable Power Brake Booster Replacement for GM Vehicles

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1098) offers a dependable vacuum power brake booster solution for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed as a standard replacement, this remanufactured booster helps restore proper brake assist performance in vehicles like the Chevrolet Cavalier and Pontiac Grand Am.

• Standard replacement grade for consistent brake performance
• Vacuum booster type with dual diaphragm design
• Metal housing for durability and long service life
• Includes mounting bracket for secure installation
• Compatible with Buick Achieva, Chevrolet Corsica, Oldsmobile Cutlass Calais, Pontiac Skylark, and Sunbird

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

The Reman Vac Pwr Brake Booster w/o Master Cyl product line by MPA Electrical focuses on remanufactured vacuum power brake boosters without the master cylinder included. This line provides a cost-effective option for restoring brake assist functionality while maintaining OEM specifications. The B1098 model fits a range of GM vehicles and features a dual diaphragm design to ensure reliable vacuum assistance.

Detailed Product Description and Specifications

This power brake booster features a vacuum booster type with a dual diaphragm measuring approximately 230.12 mm (9.06 inches) in diameter, providing effective brake pedal assist. The metal housing enhances durability under typical operating conditions. The unit does not include a master cylinder, brake pedal rod extension, gaskets, or front seals, but it does come with a mounting bracket and two mounting studs for proper attachment. The master cylinder stud thread size is 10 x 1.5 mm, matching factory specifications for compatible vehicles.

Common Applications and Problem Resolution

• Restores brake pedal assist in Buick Achieva and Chevrolet Cavalier models
• Replaces worn or failing vacuum brake boosters in Pontiac Grand Am and Oldsmobile Cutlass Calais
• Addresses hard brake pedal issues caused by diaphragm failure
• Eliminates vacuum leaks affecting brake performance
• Improves brake response in Chevrolet Corsica and Pontiac Skylark vehicles

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 a master cylinder or seals, reuse existing compatible components or replace them separately as needed. Verify the mounting bracket and studs align correctly with the vehicle’s firewall and master cylinder mounting points. Check for vacuum hose integrity and connections to maintain proper booster function.

Quality Assurance and Warranty Information

This remanufactured power brake booster undergoes thorough inspection and testing to meet standard replacement quality. MPA Electrical backs the B1098 with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Buick, Chevrolet, Oldsmobile, and Pontiac brake system repairs.