MPA Electrical B1235 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 B1235) is designed as a standard replacement power brake booster for select Chevrolet and GMC models. This remanufactured vacuum booster provides reliable braking assistance without the master cylinder included, making it suitable for specific brake system repairs.

• Standard replacement grade for dependable brake service
• Vacuum booster type for efficient brake pedal assist
• Metal housing construction for durability
• Diaphragm diameter of 235.46 mm (9.27 inches) for consistent performance
• Includes 2 mounting studs with 10 x 1.50 mm master cylinder stud thread size
• Compatible with Chevrolet and GMC models including Jimmy, S10, S10 Blazer, S15, S15 Jimmy, and Sonoma

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 is intended for customers who require a reliable booster replacement while retaining their existing master cylinder, ensuring compatibility and cost-effectiveness in brake system maintenance.

Detailed Product Description

The B1235 power brake booster features a vacuum-assisted design that reduces the effort needed to apply the brakes, improving driver control and safety. Its metal housing ensures structural integrity and long service life. The diaphragm diameter of approximately 235.46 mm (9.27 inches) is engineered to provide consistent vacuum pressure for effective brake pedal response. 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 mounting configuration includes two studs with a 10 x 1.50 mm thread size, facilitating straightforward installation on compatible Chevrolet and GMC trucks and SUVs.

Compatible Vehicles and Common Applications

• Replacement for vacuum power brake booster issues in Chevrolet Jimmy and S10 models
• Suitable for GMC S10 Blazer and S15 series requiring booster replacement
• Addresses brake pedal hardness or increased pedal effort in Chevrolet S15 Jimmy and Sonoma
• Used when the existing booster fails to provide adequate vacuum assist
• Ideal for restoring proper brake function without replacing the master cylinder

Installation Notes and Tips

Ensure the existing master cylinder is compatible and in good condition before installation, as this booster does not include a master cylinder. Verify the mounting stud thread size (10 x 1.50 mm) matches your vehicle’s specifications. Since no mounting bracket or seals are included, retain original hardware or source replacements as needed. Proper vacuum line connections should be checked to maintain booster performance. Professional installation is recommended to ensure safety and correct operation.

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 factory specifications to ensure reliable performance. Warranty details are provided by MPA Electrical and typically cover defects in materials and workmanship under normal use. Refer to the manufacturer’s warranty documentation for specific terms and conditions.