HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B1012 Power Brake Booster
Part #: B1012

MPA Electrical B1012 Power Brake Booster

Reman Vac Pwr Brake Booster w/o Master Cyl
⚙️ 55 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: Ford, Mazda, and Mercury, B2300, B2500, B3000, B4000, Explorer, Mountaineer, and Ranger
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Reliable Remanufactured Vacuum Power Brake Booster

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1012) offers a dependable solution for restoring brake performance in select Ford, Mazda, and Mercury vehicles. Designed as a standard replacement, this remanufactured vacuum booster is engineered to meet OEM specifications without including the master cylinder.

Key Features of MPA Electrical B1012 Brake Booster

  • Standard replacement grade for consistent brake assist
  • Vacuum booster type with dual diaphragm design for effective power assist
  • Metal housing construction for durability and longevity
  • Diaphragm diameter of 223.9 mm (8.815 inches) ensuring proper fit and function
  • Includes two mounting studs with 3/8-16 master cylinder stud thread size
  • Remanufactured product condition meeting quality standards

Detailed Product Description

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl is a remanufactured vacuum power brake booster designed to restore braking efficiency in vehicles such as the Ford Ranger, Explorer, Mountaineer, and Mazda B2300, B2500, B3000, and B4000 models. This booster features a dual diaphragm type that enhances vacuum assist, providing reliable brake pedal response. The metal housing ensures structural integrity under various operating conditions. Note that this unit does not include the master cylinder, gasket, seal, or mounting bracket, so these components must be sourced separately if needed.

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

This product is part of the Reman Vac Pwr Brake Booster w/o Master Cyl line by MPA Electrical, which focuses on remanufactured vacuum brake boosters without master cylinders. This line is intended for customers seeking a cost-effective replacement that maintains OEM performance standards while allowing flexibility in master cylinder selection.

Common Applications and Issues Addressed

  • Restores power brake assist in Ford Ranger and Explorer models
  • Replaces worn or failing vacuum brake boosters in Mazda B-series trucks
  • Solves hard brake pedal or increased pedal effort problems
  • Addresses vacuum leaks or diaphragm failure in the booster
  • Improves brake response and safety in Mercury Mountaineer vehicles

Installation Notes and Tips

Ensure compatibility with your specific vehicle model and year before installation. Since this booster does not include the master cylinder or mounting hardware, verify that existing components are in good condition or acquire replacements as needed. Properly bleed the brake system after installation to remove air and ensure optimal brake performance.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes thorough inspection and testing to meet quality standards. It is designed to provide reliable service comparable to original equipment. Please consult the warranty terms provided by MPA Electrical or the distributor for specific coverage details.

BrandMPA Electrical
Part NumberB1012
PositionReman Vac Pwr Brake Booster w/o Master Cyl
Brake Service GradeStandard replacement
Booster TypeVacuum
Brake Pedal Rod Extension IncludedNo
Diaphragm TypeDual
Master Cylinder IncludedNo
Gasket Or Seal IncludedNo
Housing MaterialMetal
Diaphragm Diameter223.9
Diaphragm Diameter8.815
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)3/8-16
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 55 vehicles. Search below:

YearMakeModelPositionNotes
2006FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2006MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
2006MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2006MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2005FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2005MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
2005MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2005MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2004FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2004MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
2004MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2004MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2003FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2003MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
2003MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2003MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2002FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2002MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
2002MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2002MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2001FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2001MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
2001MazdaB2500N/AReman Vac Pwr Brake Booster w/o Master Cyl
2001MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2001MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2000FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
2000MazdaB2500N/AReman Vac Pwr Brake Booster w/o Master Cyl
2000MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
2000MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1999MazdaB2500N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998FordExplorerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1998FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1998MazdaB2500N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998MercuryMountaineerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1997FordExplorerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1997FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1997MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997MercuryMountaineerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1996FordExplorerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1996FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1996MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996MazdaB4000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995FordExplorerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1995FordRangerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1995MazdaB2300N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995MazdaB3000N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995MazdaB4000N/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:

1F80438003L5Z2005AA6L5Z2005AAF57Z2005AF77Z2005HAF87Z2005AAF87Z2005CAZZM043800ZZP043800ZZP043800AZZP043800B

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