HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B1023 Power Brake Booster
Part #: B1023

MPA Electrical B1023 Power Brake Booster

Reman Vac Pwr Brake Booster w/o Master Cyl
⚙️ 33 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 and Mercury, Capri, Cougar, Fairmont, LTD, Marquis, Mustang, Thunderbird, and Zephyr
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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 B1023) is a remanufactured vacuum power brake booster designed for select Ford and Mercury vehicles. This standard replacement booster enhances braking performance by providing reliable vacuum assistance without including the master cylinder.

  • Remanufactured vacuum power brake booster
  • Dual diaphragm design with 7.48 inch (189.99 mm) diameter
  • Metal housing for durability
  • Compatible with Ford and Mercury models including Mustang, Cougar, Thunderbird, and more
  • Includes two mounting studs with 3/8-16 thread size
  • Standard brake service grade replacement

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 brake boosters that do not include the master cylinder. This line provides a cost-effective solution for restoring brake assist functionality in vehicles where the master cylinder remains in good condition or is replaced separately. The B1023 part is a typical example, offering a dual diaphragm vacuum booster designed to meet standard brake service requirements.

Detailed Product Description

This power brake booster features a dual diaphragm with a diameter of approximately 7.48 inches (189.99 mm), housed in a durable metal casing. It operates using vacuum assistance to reduce pedal effort and improve braking response. The booster is designed without a master cylinder or gasket/seal included, allowing for compatibility with existing master cylinders. It mounts securely with two studs sized 3/8-16, ensuring proper fitment and stability. This remanufactured unit is intended as a standard replacement part for vehicles requiring reliable brake booster performance.

Compatible Vehicles and Common Applications

  • Ford Mustang (various years)
  • Mercury Cougar
  • Ford Thunderbird
  • Ford Capri
  • Mercury Zephyr
  • Ford Fairmont, LTD, Marquis

This booster addresses issues such as hard brake pedal feel, reduced brake assist, and vacuum leaks affecting braking efficiency.

Installation Notes and Tips

  • Ensure the existing master cylinder is compatible and in good condition before installation
  • Verify mounting stud alignment and thread size (3/8-16) for proper fit
  • Check vacuum lines for leaks or damage during installation
  • Bleed the brake system after installation to remove air
  • Do not expect mounting brackets, gaskets, or seals to be included with this part

Quality Assurance and Warranty

This MPA Electrical power brake booster is remanufactured to meet standard brake service grade specifications. It undergoes thorough inspection and testing to ensure reliable vacuum assist performance. Warranty details should be confirmed with the distributor or installer, as they may vary depending on purchase source.

BrandMPA Electrical
Part NumberB1023
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 Diameter189.99
Diaphragm Diameter7.48
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)3/8-16
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 33 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
1993FordMustangLXSedan5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1992FordMustangSedan5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1991FordMustangSedan5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1990FordMustangSedan5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1989FordMustang5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1988FordMustang5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1987FordMustang5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1986FordLTD3.8LV6N/AReman Vac Pwr Brake Booster w/o Master Cyl
1986FordMustang5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1986MercuryCapri5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1986MercuryMarquis3.8LV6N/AReman Vac Pwr Brake Booster w/o Master Cyl
1985FordLTD5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1985FordMustang5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1985MercuryCapri5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1985MercuryMarquis3.8LV6N/AReman Vac Pwr Brake Booster w/o Master Cyl
1984FordLTDBrougham5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1984FordMustang5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1984MercuryCapri5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1984MercuryMarquis3.8LV6N/AReman Vac Pwr Brake Booster w/o Master Cyl
1983FordFairmontN/AReman Vac Pwr Brake Booster w/o Master Cyl
1983FordLTD3.8LV6N/AReman Vac Pwr Brake Booster w/o Master Cyl
1983MercuryMarquis3.8LV6N/AReman Vac Pwr Brake Booster w/o Master Cyl
1983MercuryZephyrN/AReman Vac Pwr Brake Booster w/o Master Cyl
1982FordFairmont5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1982FordThunderbirdN/AReman Vac Pwr Brake Booster w/o Master Cyl
1982MercuryCougar4.2LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1982MercuryZephyrN/AReman Vac Pwr Brake Booster w/o Master Cyl
1981FordFairmont5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1981FordThunderbirdN/AReman Vac Pwr Brake Booster w/o Master Cyl
1981MercuryCougar5.0LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1981MercuryZephyr4.2LV8N/AReman Vac Pwr Brake Booster w/o Master Cyl
1980FordThunderbirdN/AReman Vac Pwr Brake Booster w/o Master Cyl
1980MercuryCougarN/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:

D9ZZ2005AE1BZ2005BE1BZ2005CE1BZ2005DE1SZ2005BE4DZ2005AF0ZZ2005A

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