MPA Electrical B1425 Power Brake Booster

Overview of MPA Electrical Reman Vacuum Power Brake Booster

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1425) is designed as a standard replacement power brake booster for select Buick models. This remanufactured vacuum booster provides reliable braking assistance without including the master cylinder, making it suitable for specific brake system repairs.

• Remanufactured vacuum power brake booster
• Standard replacement grade for dependable performance
• Metal housing construction for durability
• Diaphragm diameter of 10.73 inches (272.54 mm)
• Includes 2 mounting studs with 3/8-16 thread size
• Compatible with Buick LeSabre and Riviera models

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

The Reman Vac Pwr Brake Booster w/o Master Cyl product line from MPA Electrical focuses on remanufactured vacuum brake boosters that do not include the master cylinder. This line is intended for customers who require a replacement booster unit compatible with their existing master cylinder setup. The B1425 part number fits within this line, offering a metal housing and standard brake service grade to meet OEM specifications for Buick LeSabre and Riviera vehicles.

Detailed Product Description

This power brake booster operates using vacuum assistance to reduce pedal effort and improve braking response. The booster features a metal housing for structural integrity and a diaphragm measuring 10.73 inches in diameter, ensuring consistent vacuum pressure. It includes two mounting studs with a 3/8-16 thread size for secure installation. Note that this unit does not come with a master cylinder, brake pedal rod extension, gaskets, seals, or mounting brackets, so these components must be sourced separately if needed.

Common Applications and Issues Addressed

• Replacement for failing or weak power brake boosters on Buick LeSabre and Riviera
• Restores proper brake pedal feel and vacuum assist
• Resolves hard brake pedal issues caused by booster failure
• Addresses vacuum leaks within the brake booster assembly
• Improves overall braking system responsiveness

Installation Notes and Tips

Ensure the existing master cylinder is compatible and in good condition before installing this booster. Since the master cylinder and mounting hardware are not included, verify all necessary components are available. Properly torque mounting studs to manufacturer specifications and check for vacuum leaks after installation. It is recommended to bleed the brake system following installation to maintain optimal brake performance.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes thorough inspection and testing to meet standard brake service grade requirements. The metal housing and diaphragm are rebuilt to OEM standards to ensure durability and reliable operation. Warranty details should be confirmed with the distributor or retailer, as coverage may vary.