HomeBrake > Brake HydraulicsDorman M630883 Brake Master Cylinder
Part #: M630883

Dorman M630883 Brake Master Cylinder

⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mustang
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Reliable Brake Master Cylinder for Ford Mustang

The Dorman M630883 brake master cylinder is designed specifically for Ford Mustang models, providing dependable brake hydraulics performance. Featuring a cast iron construction and an integral reservoir, this master cylinder ensures consistent braking pressure and fluid management.

  • Master cylinder bore diameter: 0.938 inches
  • Durable cast iron material for long-lasting use
  • Integral reservoir included for efficient fluid containment
  • Two outlets with rearward outlet size of 3/8-24
  • Compatible with Ford Mustang brake hydraulic systems

Product Details and Specifications

The Dorman M630883 brake master cylinder is engineered with a 0.938-inch bore diameter to match the hydraulic requirements of Ford Mustang brake systems. Constructed from cast iron, it offers strength and resistance to wear under high pressure. The integral reservoir design simplifies installation and maintenance by combining the fluid reservoir with the master cylinder body. This part includes two outlets sized at 3/8-24, suitable for connecting to the brake lines. Note that mounting hardware is not included with this unit.

Compatible Applications and Common Uses

  • Replacement for worn or leaking master cylinders on Ford Mustang models
  • Restores proper brake fluid pressure and pedal feel
  • Addresses issues such as brake fluid leaks from the reservoir or cylinder
  • Resolves spongy or unresponsive brake pedal performance
  • Prevents brake system failure due to internal cylinder wear

Installation Notes and Tips

When installing the Dorman M630883 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify compatibility with your specific Ford Mustang year and model before installation. Since mounting hardware is not included, retain or source the necessary components for secure installation. Follow manufacturer torque specifications for all fittings and connections.

Quality Assurance and Warranty Information

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and integral reservoir design contribute to reliable brake system performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components to ensure customer confidence and product durability.

BrandDorman
Part NumberM630883
Mounting Hardware IncludedNo
Master Cylinder Bore Diameter0.938
Master Cylinder MaterialCast iron
Reservoir IncludedYes
Sensor IncludedNo
Number of Outlets2
Package ContentsMaster cylinder
Rearward Outlet Size(2) 3/8-24
Reservoir TypeIntegral

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1966FordMustangN/AFront Drum Brake Wheel Cylinder with 15/16" bore size.
1965FordMustangN/AFront Drum Brake Wheel Cylinder with 15/16" bore size.

* 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:

10-3625513-36255130.61107C5ZZ2140AF59420MC36255

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