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Dorman M630054 Brake Master Cylinder
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.
| Brand | Dorman |
|---|---|
| Part Number | M630054 |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M12 X 1.0 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Thread Pitch | 1.0 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2011 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2011 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2010 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2010 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2010 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2009 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2009 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2009 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2008 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2008 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2008 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2007 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2007 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2007 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2006 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2006 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2006 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2005 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2005 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2005 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2004 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2004 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2004 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2004 | Mercury | Marauder | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2003 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2003 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2003 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2003 | Mercury | Marauder | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2002 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2002 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2002 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2001 | Ford | Crown Victoria | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2001 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 2001 | Mercury | Grand Marquis | N/A | 1" 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.