HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B1073 Power Brake Booster
Part #: B1073

MPA Electrical B1073 Power Brake Booster

Reman Vac Pwr Brake Booster w/o Master Cyl
⚙️ 11 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: Jeep, CJ5, CJ7, and Scrambler
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Overview of MPA Electrical Reman Vacuum Power Brake Booster

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1073) is designed as a standard replacement power brake booster for select Jeep models. This remanufactured vacuum booster provides reliable braking assistance without the master cylinder, making it suitable for specific brake system repairs.

  • Standard replacement grade for dependable brake performance
  • Vacuum booster type with a single diaphragm design
  • Metal housing for durability and strength
  • Compatible with Jeep CJ5, CJ7, and Scrambler models
  • Includes two mounting studs with 3/8-16 thread size
  • Does not include master cylinder, gasket, or mounting bracket

Product Line Details: Reman Vac Pwr Brake Booster w/o Master Cyl

The Reman Vac Pwr Brake Booster w/o Master Cyl product line from MPA Electrical focuses on remanufactured vacuum power brake boosters that do not include the master cylinder. This line is intended for customers who require a reliable booster replacement while retaining their existing master cylinder. The remanufactured condition ensures that the booster meets standard brake service requirements, providing a cost-effective solution for Jeep CJ5, CJ7, and Scrambler brake system maintenance.

Detailed Product Description

This power brake booster features a single diaphragm with a diameter of approximately 226.82 mm (8.93 inches), housed in a durable metal casing. It operates using vacuum assistance to reduce pedal effort and improve braking response. The unit includes two mounting studs with a 3/8-16 thread size, designed for secure installation on compatible Jeep models. Note that this booster does not come with a master cylinder, gasket, front seal, or mounting bracket, so these components must be sourced separately if needed.

Common Applications and Issues Addressed

  • Replacement for worn or failing vacuum power brake boosters on Jeep CJ5, CJ7, and Scrambler
  • Restores proper brake pedal feel and reduces pedal effort
  • Addresses vacuum leaks or diaphragm failure in the booster
  • Improves braking system responsiveness without replacing the master cylinder
  • Suitable for standard brake service grade repairs

Installation Notes and Tips

Ensure compatibility with your Jeep CJ5, CJ7, or Scrambler before installation. Since the master cylinder and mounting hardware are not included, verify that your existing components are in good condition or obtain replacements as necessary. Properly torque mounting studs to manufacturer specifications and check for vacuum leaks after installation to ensure optimal performance.

Quality Assurance and Warranty

This MPA Electrical power brake booster is remanufactured to meet standard brake service grade requirements. While specific warranty details are not provided, remanufactured parts typically undergo inspection and testing to ensure functionality and reliability. For additional warranty information, consult the product documentation or manufacturer.

BrandMPA Electrical
Part NumberB1073
PositionReman Vac Pwr Brake Booster w/o Master Cyl
Brake Service GradeStandard replacement
Booster TypeVacuum
Brake Pedal Rod Extension IncludedNo
Diaphragm TypeSingle
Master Cylinder IncludedNo
Gasket Or Seal IncludedNo
Housing MaterialMetal
Diaphragm Diameter226.82
Diaphragm Diameter8.93
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)3/8-16
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
1986JeepCJ7N/AReman Vac Pwr Brake Booster w/o Master Cyl
1985JeepCJ7N/AReman Vac Pwr Brake Booster w/o Master Cyl
1985JeepScramblerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1984JeepCJ7N/AReman Vac Pwr Brake Booster w/o Master Cyl
1984JeepScramblerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1983JeepCJ5N/AReman Vac Pwr Brake Booster w/o Master Cyl
1983JeepCJ7N/AReman Vac Pwr Brake Booster w/o Master Cyl
1983JeepScramblerN/AReman Vac Pwr Brake Booster w/o Master Cyl
1982JeepCJ5N/AReman Vac Pwr Brake Booster w/o Master Cyl
1982JeepCJ7N/AReman Vac Pwr Brake Booster w/o Master Cyl
1982JeepScramblerN/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:

J8133909

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