HomeBrake > Brake HydraulicsDorman M630519 Brake Master Cylinder
Part #: M630519

Dorman M630519 Brake Master Cylinder

⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250, F-250 Super Duty, F-350, and F-350 Super Duty
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Reliable Brake Master Cylinder for Ford F-250 and F-350

The Dorman M630519 brake master cylinder is engineered to restore proper brake hydraulics in Ford F-250, F-250 Super Duty, F-350, and F-350 Super Duty trucks. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

  • Master cylinder bore diameter of 1.5 inches for optimal hydraulic pressure
  • Durable aluminum construction for corrosion resistance and longevity
  • Includes reservoir and sensor for integrated brake fluid management
  • Four outlets with specific thread sizes: rearward outlet M12 x 1.0, secondary outlet M10 x 1.0 & 3/8-24
  • Compatible with Ford F-250 and F-350 Super Duty models

Product Details and Specifications

The Dorman M630519 brake master cylinder features a 1.5-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Constructed from aluminum, this master cylinder offers enhanced durability and resistance to corrosion compared to traditional materials. It comes complete with an integrated reservoir and sensor, allowing for accurate monitoring and fluid containment. The unit includes four outlets designed to fit specific brake line connections, including a rearward outlet sized M12 x 1.0 and secondary outlets with thread diameters M10 x 1.0 and 3/8-24, ensuring compatibility with the brake hydraulics of Ford F-250 and F-350 Super Duty trucks.

Common Applications and Problem Resolution

  • Restores brake fluid pressure in Ford F-250 and F-350 brake systems
  • Replaces worn or leaking master cylinders causing brake pedal issues
  • Addresses brake fluid leaks from damaged or corroded master cylinders
  • Improves brake system responsiveness and safety
  • Resolves sensor-related brake warning light activations

Installation Notes and Tips

When installing the Dorman M630519 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify all outlet connections match the specified thread sizes for a secure fit. Since mounting hardware is not included, retain original hardware or source compatible fasteners. Proper torque specifications should be followed to avoid leaks or damage.

Quality Assurance and Warranty

Dorman manufactures the M630519 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable performance under demanding conditions. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in material and workmanship.

BrandDorman
Part NumberM630519
Mounting Hardware IncludedNo
Master Cylinder Bore Diameter1.5
Master Cylinder MaterialAluminum
Reservoir IncludedYes
Sensor IncludedYes
Number of Outlets4
Package ContentsMaster cylinder
Rearward Outlet SizeM12 x 1.0
Secondary Outlet Thread DiameterM10 x 1.0 & 3/8-24

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2010FordF-250 Super DutyN/Aw/Brake Control Valve; w/Hydro-Boost
2010FordF-350 Super DutyN/Aw/Brake Control Valve; w/Hydro-Boost
2009FordF-250N/Aw/Brake Control Valve; w/Hydro-Boost
2009FordF-250 Super DutyN/Aw/Brake Control Valve; w/Hydro-Boost
2009FordF-350N/Aw/Brake Control Valve; w/Hydro-Boost
2009FordF-350 Super DutyN/Aw/Brake Control Valve; w/Hydro-Boost
2008FordF-250 Super DutyN/Aw/Hydraulic Booster
2007FordF-250 Super DutyN/AFrom 12/18/06; w/Brake Control Valve; w/Hydraulic Brakes; Bore: 1.50 In.
2007FordF-350 Super DutyN/AFrom 12/18/06; w/Brake Control Valve; w/Hydraulic Brakes; Bore: 1.50 In.

* 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:

10-378113-3781130.651127C3Z2140HBRMC-35F900095MC391197NM4158

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