MPA Electrical B1133 Power Brake Booster

Reliable Remanufactured Vacuum Power Brake Booster

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1133) offers a dependable solution for restoring brake performance in select Buick, Cadillac, and Chevrolet vehicles. Designed as a standard replacement, this vacuum booster is engineered to meet OEM specifications without including the master cylinder.

Key Features of MPA Electrical B1133 Brake Booster

• Remanufactured vacuum power brake booster for consistent braking assistance
• Compatible with Buick Caprice, Cadillac Fleetwood, Roadmaster, and Chevrolet Commercial Chassis models
• Standard replacement grade for reliable brake service
• Metal housing construction ensures durability and strength
• Diaphragm diameter measures 11.05 inches (280.67 mm) for optimal vacuum performance
• Includes two mounting studs with 10 x 1.50 mm master cylinder stud thread size
• Does not include master cylinder, brake pedal rod extension, gaskets, seals, or mounting brackets

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 option for restoring brake assist functionality while maintaining compatibility with original vehicle specifications. The B1133 model is part of this line, offering a metal housing and precise diaphragm sizing to ensure proper vacuum operation in compatible vehicles.

Detailed Product Description

This remanufactured power brake booster uses vacuum assistance to reduce pedal effort and improve braking response. The metal housing provides structural integrity, while the 11.05-inch diaphragm diameter supports effective vacuum pressure. The unit includes two mounting studs with a 10 x 1.50 mm thread size to secure the booster in place. It is important to note that this booster does not come with a master cylinder, brake pedal rod extension, or any seals and gaskets, so these components must be sourced separately if needed.

Common Applications and Issues Addressed

• Restores brake pedal assist in Buick Caprice models experiencing hard or unresponsive brakes
• Replaces failing vacuum boosters in Cadillac Fleetwood and Roadmaster vehicles
• Addresses brake pedal sinking or increased pedal effort in Chevrolet Commercial Chassis
• Eliminates vacuum leaks that reduce braking efficiency
• Provides a remanufactured alternative to costly new brake booster replacements

Installation Notes and Tips

Ensure the vehicle is compatible with the MPA Electrical B1133 booster before installation. Since the master cylinder and mounting hardware are not included, verify that existing components are in good condition or obtain replacements as necessary. Properly torque mounting studs to manufacturer specifications and check for vacuum leaks after installation to maintain optimal brake performance.

Quality Assurance and Warranty

The MPA Electrical B1133 power brake booster is remanufactured to meet standard brake service grade requirements. This ensures reliable operation and durability consistent with OEM standards. Please refer to the manufacturer or distributor for specific warranty details related to this part.