MPA Electrical B3025 Power Brake Booster

Reliable Remanufactured Vacuum Power Brake Booster

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B3025) is designed as a standard replacement for Toyota 4Runner and Pickup models. This remanufactured vacuum booster helps restore proper brake assist performance without including the master cylinder.

• Standard replacement grade for dependable brake service
• Vacuum booster type for efficient brake pedal assist
• Metal housing construction for durability
• Diaphragm diameter of 242.82 mm (9.56 inches) for consistent vacuum operation
• Includes two mounting studs with 8 x 1.25 mm master cylinder stud thread size

About the Reman Vac Pwr Brake Booster w/o Master Cyl Product Line

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 master cylinders. These units are rebuilt to meet standard brake service requirements, providing a cost-effective solution for restoring brake assist functionality on compatible vehicles.

Product Details and Specifications

The B3025 power brake booster features a vacuum type design with a metal housing to ensure structural integrity and long service life. The diaphragm diameter measures approximately 242.82 mm (9.56 inches), which is critical for maintaining proper vacuum pressure and brake assist. This booster includes two mounting studs and is compatible with master cylinders that use an 8 x 1.25 mm stud thread size. Note that this unit does not include a master cylinder, brake pedal rod extension, gaskets, seals, or mounting brackets.

Compatible Vehicles and Common Applications

• Replacement for Toyota 4Runner brake booster issues
• Suitable for Toyota Pickup models requiring vacuum power brake booster service
• Addresses problems such as hard brake pedal feel
• Resolves reduced brake assist or increased pedal effort
• Helps fix vacuum leaks affecting brake performance

Installation Notes and Tips

When installing the MPA Electrical B3025 power brake booster, ensure compatibility with your Toyota 4Runner or Pickup model year and master cylinder specifications. Since this unit does not include mounting brackets or seals, reuse existing hardware or source replacements as needed. Verify the master cylinder stud thread size (8 x 1.25 mm) matches your vehicle’s master cylinder for proper fitment.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes thorough inspection and testing to meet standard brake service grade requirements. The remanufacturing process restores core components to functional condition, ensuring reliable brake assist performance. Warranty details are provided by MPA Electrical and should be confirmed at the time of purchase.