HomeBrake > Brake HydraulicsDorman M630054 Brake Master Cylinder
Part #: M630054

Dorman M630054 Brake Master Cylinder

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35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, Crown Victoria, Town Car, Grand Marquis, and Marauder
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Reliable Brake Master Cylinder for Ford, Lincoln, and Mercury Vehicles

The Dorman M630054 brake master cylinder is engineered to restore proper brake hydraulics in select Ford, Lincoln, and Mercury models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance for vehicles like the Crown Victoria, Grand Marquis, Marauder, and Town Car.

Key Features of the Dorman M630054 Brake Master Cylinder

  • Master cylinder bore diameter: 1 inch for accurate hydraulic pressure
  • Durable aluminum construction for corrosion resistance and longevity
  • Includes reservoir for fluid storage and easy maintenance
  • Equipped with sensor to monitor brake fluid levels
  • Two outlets with rearward outlet size M12 x 1.0 and secondary outlet thread diameter 10 mm
  • Thread pitch of 1.0 for secure fitting
  • Package contains the master cylinder only; mounting hardware not included

Detailed Product Description

The Dorman M630054 brake master cylinder is specifically designed for brake hydraulics systems in Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, and Marauder models. Constructed from aluminum, this master cylinder offers enhanced durability and resistance to corrosion compared to traditional materials. The 1-inch bore diameter ensures precise hydraulic pressure control, which is critical for effective braking. The included reservoir simplifies brake fluid management, while the integrated sensor provides real-time monitoring of fluid levels to help maintain safe braking conditions. Featuring two outlets with a rearward outlet size of M12 x 1.0 and a secondary outlet thread diameter of 10 mm, this master cylinder is engineered for compatibility and reliable performance. The thread pitch of 1.0 ensures a secure and leak-free connection within the brake system.

Common Applications and Issues Addressed

  • Restores brake hydraulic pressure in Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, and Marauder
  • Replaces worn or leaking master cylinders causing brake fluid loss
  • Solves brake pedal sinking or sponginess due to internal seal failure
  • Addresses brake warning light activation related to fluid level sensor faults
  • Improves overall brake system responsiveness and safety

Installation Notes and Tips

  • Ensure compatibility with your specific vehicle make and model before installation
  • Bleed the brake system thoroughly after installation to remove air pockets
  • Use appropriate brake fluid as specified by the vehicle manufacturer
  • Mounting hardware is not included; reuse existing hardware or acquire separately
  • Check sensor connections for proper operation after installation

Quality Assurance and Warranty Information

Dorman manufactures the M630054 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While mounting hardware is not included, the product undergoes quality inspections to ensure durability and compatibility. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part NumberM630054
Master Cylinder Bore Diameter1
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM12 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread Diameter10
Sensor IncludedYes
Thread Pitch1.0

This part fits 35 vehicles. Search below:

YearMakeModelPositionNotes
2011FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2011LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2011MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2010FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2010LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2010MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2009FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2009LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2009MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2008FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2008LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2008MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2007FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2007LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2007MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2006FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2006LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2006MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2005FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2005LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2005MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2004FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2004LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2004MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2004MercuryMarauderN/A1" bore size brake master cylinder for vehicles without traction control.
2003FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2003LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2003MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2003MercuryMarauderN/A1" bore size brake master cylinder for vehicles without traction control.
2002FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2002LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2002MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.
2001FordCrown VictoriaN/A1" bore size brake master cylinder for vehicles without traction control.
2001LincolnTown CarN/A1" bore size brake master cylinder for vehicles without traction control.
2001MercuryGrand MarquisN/A1" bore size brake master cylinder for vehicles without traction control.

* 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:

10-294213-2942130.61118135231W1Z2140BABRMC-62F140129M4041M901127MC390693MC500220

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