MPA Electrical B1042 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 B1042) is a remanufactured vacuum power brake booster designed for reliable brake performance. This standard replacement booster is compatible with select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, providing consistent braking assistance without the master cylinder included.

• Remanufactured vacuum power brake booster
• Standard replacement brake service grade
• Dual diaphragm design with 11.08 inch (281.43 mm) diameter
• Metal housing for durability
• Includes 2 mounting studs with 10 x 1.50 mm master cylinder stud thread size
• Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models
• Does not include master cylinder, gasket, seal, or mounting bracket

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 from MPA Electrical focuses on remanufactured vacuum brake boosters that provide a cost-effective alternative to new units. These boosters are rebuilt to meet standard replacement specifications, ensuring dependable brake assist performance. This product line excludes the master cylinder, allowing for flexible installation with existing or separately purchased master cylinders.

Detailed Product Description

This power brake booster features a dual diaphragm design with a diameter of 11.08 inches (281.43 mm), which helps provide consistent vacuum assistance to reduce pedal effort. The metal housing enhances structural integrity and durability under normal operating conditions. The booster includes two mounting studs and a master cylinder stud thread size of 10 x 1.50 mm, ensuring compatibility with the specified vehicle models. Note that this unit does not include a brake pedal rod extension, gasket, front seal, or mounting bracket, so these components must be sourced separately if needed.

Compatible Vehicles and Common Applications

• Buick 9-7x
• Chevrolet SSR, Trailblazer, Trailblazer EXT
• GMC Envoy, Envoy XL, Envoy XUV, Rainier, Bravada
• Isuzu Ascender
• Oldsmobile Bravada
• Saab 9-7x

This booster is suitable for addressing issues such as:

• Reduced brake pedal responsiveness or increased pedal effort
• Vacuum leaks causing poor brake assist
• Worn or damaged diaphragms affecting booster performance
• Brake system noise or hissing during pedal application
• Failure of the original power brake booster unit

Installation Notes and Tips

When installing the MPA Electrical B1042 power brake booster, ensure the vehicle is compatible with the specified makes and models. Since the master cylinder and mounting hardware are not included, verify that existing components are in good condition or obtain replacements as necessary. Proper alignment of the booster and secure mounting to the firewall are critical for optimal brake performance. It is recommended to inspect vacuum lines and connections for leaks during installation.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes thorough inspection and testing to meet standard replacement criteria. The metal housing and dual diaphragm design contribute to reliable operation. Warranty details are provided by MPA Electrical and typically cover defects in materials and workmanship under normal use. Consult product documentation for specific warranty terms related to part number B1042.