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Brake Master Cylinder with Dual Reservoir for Disc/Drum or Drum/Drum Applications [GM Universal Mounting]
InfoVehicle Info Needed
JEGSPART NUMBER: 555-631237

Brake Master Cylinder with Dual Reservoir for Disc/Drum or Drum/Drum Applications [GM Universal Mounting]

$7699$84.99You Save$8.00
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GM Universal Cast Iron Brake Master Cylinders
Brake Master Cylinder
  • GM Universal Mounting
  • Disc/Drum or Drum/Drum
  • Cast Iron
  • 1 in. Bore
  • Dual 3/8 in.-24 Ports on Left/Driver & Right/Passenger Sides
  • Includes Shallow Bore Adapter for Power Brake Applications

    JEGS 555-631237 GM Universal Brake Master Cylinder

    This master cylinder is designed for disc front and drum rear brakes or drum front and drum rear brakes. It can be used on power or manual brake systems and includes a removable shallow bore adapter that is removed for use with manual brake applications.

    JEGS 555-631237 GM Universal Brake Master Cylinder Features:

    • GM Style Universal Mount 3 3/8 in. Bolt Pattern
    • 1 in. Bore Dual Reservoir
    • Dual 3/8 in.-24 Ports on Both Sides for use with many different GM Vehicle applications
    • Can be used for power and non-power brake applications 
    • Zinc Plated Cap

    Note: If you are you are installing this master cylinder on a drum/drum application you will also need a proportioning valve. We recommend JEGS 555-63022

      • Direct-Fit & Universal Brake Master Cylinders

      JEGS offers a wide variety of brake master cylinders for direct fit or universal applications. Whether you're looking for a chrome unit to make your engine bay shine or just a replacement to get your vehicle back on the road, we have you covered. All units are manufactured using NEW not remanufactured high-quality materials and finishes to provide years of braking service.

    Part TypeMaster Cylinder
    Product LineJEGS Brake Master Cylinders
    BrandJEGS
    Package Height5.2
    Package Width5.3
    Package Length10.0
    Weight10.15 PG
    Part CategoryReplacement Parts
    Port Quantity4
    Hardware IncludedNo
    Mounting Flange Center To Center Distance (In.)3.375
    Adapters IncludedShallow Bore Adapter
    Master Cylinder Bore Diameter1
    Rear Brake TypeDrum
    Forward Outlet Size3/8-24 IF (Inverted Flare)
    New Or RemanufacturedNew
    Brake SystemManual or Power
    Master Cylinder MaterialCast Iron
    Pushrod IncludedNo
    Front Brake TypeDisc or Drum
    Part FitmentSemi Universal
    Rearward Outlet Size3/8-24 IF (Inverted Flare)
    Vendor Part NumberMC1322H
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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    Some parts are not legal for use in California or other states with similar laws / regulations
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