HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B3010 Power Brake Booster
Part #: B3010

MPA Electrical B3010 Power Brake Booster

Reman Vac Pwr Brake Booster w/o Master Cyl
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Reman Vac Pwr Brake Booster w/o Master Cyl
🚗Fitment: Toyota, 4Runner
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Reliable Power Brake Booster for Toyota 4Runner

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B3010) is designed as a standard replacement for your Toyota 4Runner's braking system. This remanufactured vacuum booster provides consistent brake assist without including the master cylinder, making it a precise fit for your vehicle's needs.

  • Remanufactured vacuum power brake booster
  • Compatible with Toyota 4Runner models
  • Metal housing for durability
  • Diaphragm diameter of 246.89 mm (9.72 inches)
  • Includes 2 mounting studs with 8 x 1.25 mm thread size
  • Standard brake service grade replacement

Product Details and Specifications

This power brake booster from MPA Electrical is a remanufactured unit designed to restore proper brake assist functionality in Toyota 4Runner vehicles. The booster features a metal housing that ensures structural integrity and long-term durability. Its vacuum booster type uses engine vacuum to amplify the force applied to the brake pedal, reducing driver effort. The diaphragm diameter measures approximately 246.89 mm (9.72 inches), which is critical for the booster’s performance and compatibility. The unit includes two mounting studs with a thread size of 8 x 1.25 mm, ensuring secure attachment to the vehicle’s brake system. Note that this part does not include the 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 power brake boosters designed for standard replacement applications. These units are rebuilt to meet OEM specifications, providing a cost-effective solution for restoring brake assist without replacing the master cylinder. This product line is tailored for vehicles like the Toyota 4Runner, where reliable brake booster performance is essential for safe operation.

Common Issues Addressed by This Brake Booster

  • Reduced brake pedal responsiveness or increased pedal effort
  • Hissing sounds indicating vacuum leaks in the booster
  • Brake pedal sinking or inconsistent brake assist
  • Loss of power assist causing harder braking
  • Brake system failure due to booster diaphragm wear

Installation Notes and Tips

When installing the MPA Electrical B3010 power brake booster on a Toyota 4Runner, ensure the mounting studs align correctly with the vehicle’s firewall. Since this unit does not include the master cylinder or mounting hardware, reuse existing components or acquire them separately. Verify the thread size of the master cylinder studs (8 x 1.25 mm) for compatibility. It is recommended to inspect vacuum lines and seals during installation to prevent leaks and maintain optimal booster performance.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes thorough testing to meet standard brake service grade requirements. MPA Electrical ensures that each unit complies with performance and durability standards appropriate for Toyota 4Runner applications. Warranty coverage details should be confirmed with the distributor or installer, as they may vary based on purchase location.

BrandMPA Electrical
Part NumberB3010
PositionReman Vac Pwr Brake Booster w/o Master Cyl
Brake Service GradeStandard replacement
Booster TypeVacuum
Brake Pedal Rod Extension IncludedNo
Master Cylinder IncludedNo
Gasket Or Seal IncludedNo
Housing MaterialMetal
Diaphragm Diameter246.89
Diaphragm Diameter9.72
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)8 x 1.25
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1995Toyota4RunnerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1994Toyota4RunnerN/AReman Vac Pwr Brake Booster w/o Master Cyl

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

446103D620

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.