HomeBrake > Brake HydraulicsDorman M630950 Brake Master Cylinder
Part #: M630950

Dorman M630950 Brake Master Cylinder

⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, Fusion and MKZ
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Reliable Brake Master Cylinder for Ford Fusion and Lincoln MKZ

The Dorman M630950 brake master cylinder is engineered to restore proper brake hydraulics in your Ford Fusion or Lincoln MKZ. Designed with durable cast iron and equipped with a removable reservoir, this master cylinder ensures consistent braking performance and safety.

Key Features of the Dorman M630950 Brake Master Cylinder

  • Master cylinder bore diameter of 0.875 inches for precise hydraulic pressure
  • Constructed from cast iron for long-lasting durability
  • Includes a removable reservoir for easy maintenance and fluid replacement
  • Equipped with a sensor to monitor brake fluid levels
  • Two outlets with M12 x 1.0 thread pitch for secure brake line connections
  • Compatible with Ford Fusion and Lincoln MKZ models

Detailed Product Description

The Dorman M630950 brake master cylinder is a critical component in the brake hydraulics system, responsible for converting pedal pressure into hydraulic force. Its cast iron construction provides strength and resistance to wear, while the 0.875-inch bore diameter is designed to deliver consistent brake fluid pressure. The included removable reservoir simplifies brake fluid inspection and replacement, and the integrated sensor helps monitor fluid levels to maintain optimal braking performance. With two outlets featuring M12 x 1.0 thread pitch, this master cylinder ensures secure and leak-free connections to the brake lines. This part is specifically designed for use in Ford Fusion and Lincoln MKZ vehicles, making it a precise replacement option for these models.

Common Issues Addressed by This Brake Master Cylinder

  • Brake pedal sinking or sponginess due to internal leaks
  • Brake fluid leaks from a damaged or worn master cylinder
  • Inconsistent brake pressure affecting stopping performance
  • Warning lights triggered by faulty brake fluid level sensors
  • Difficulty maintaining brake fluid levels due to reservoir issues

Installation Notes and Tips

  • Ensure the brake system is properly bled after installation to remove air
  • Check compatibility with your specific Ford Fusion or Lincoln MKZ model year
  • Use appropriate brake fluid as specified by the vehicle manufacturer
  • Inspect brake lines and fittings for wear or damage during installation
  • Do not reuse old mounting hardware; secure the master cylinder firmly

Quality Assurance and Warranty Information

Dorman manufactures the M630950 brake master cylinder to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part NumberM630950
Mounting Hardware IncludedNo
Master Cylinder Bore Diameter0.875
Master Cylinder MaterialCast iron
Reservoir IncludedYes
Sensor IncludedYes
Number of Outlets2
Package ContentsMaster cylinder
Rearward Outlet SizeM12 x 1.0
Reservoir TypeRemovable
Secondary Outlet Thread DiameterM12 x 1.0
Thread Pitch1.0

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelDrive TypeTransmissionLitersCylindersPositionNotes
2016FordFusionAutomaticN/A
2016LincolnMKZAutomaticN/A
2015FordFusionAutomaticN/A
2015LincolnMKZAutomaticN/A
2014FordFusionAutomaticN/A
2014LincolnMKZBaseAutomatic2.0LL4N/A
2014LincolnMKZHighAutomatic2.0LL4N/A
2014LincolnMKZEliteAutomatic2.0LL4N/A
2013FordFusionAutomaticN/A
2013LincolnMKZFWDAutomaticN/A

* 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:

10-4646130.61147DG9Z2140AMC391493

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