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Dorman M390256 Brake Master Cylinder
Brake Master Cylinder for Ford and Lincoln
The Dorman M390256 brake master cylinder is built for specific Ford, Lincoln, and Mercury applications that require a 1-inch bore and a direct replacement layout. It is engineered to match the original master cylinder’s design, function, and performance using new, high-quality materials.
- Brake master cylinder for brake hydraulics service
- 1-inch bore diameter
- Aluminum master cylinder construction
- Reservoir included
- Sensor included
- Three outlets for the listed hydraulic configuration
- Rearward outlet sizes: M10 x 1.0 and M18 x 1.0
- Thread pitch: 1.0
Detailed Product Overview
This Dorman brake master cylinder, part number M390256, is a direct-fit hydraulic replacement for select 1995-1996 Ford Crown Victoria, 1995-1996 Lincoln Town Car, and 1995-1996 Mercury Grand Marquis models. It is designed around the original equipment layout, including a 1-inch bore, aluminum body, integrated reservoir, and sensor provision for the specified vehicles. This part cross-references Raybestos Brakes MC390256 for the same application.
What This Master Cylinder Helps Address
- Brake pedal travel caused by a worn or leaking master cylinder
- Loss of hydraulic pressure in the brake system
- Fluid seepage around the master cylinder body or outlets
- Brake warning concerns related to master cylinder sensor-equipped systems
- Restoration needs for 1995-1996 Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis brake hydraulics
Installation Notes and Fitment
Fits 1995 Ford Crown Victoria, N/A. Fits 1996 Ford Crown Victoria, N/A. Fits 1995-1996 Lincoln Town Car, N/A. Fits 1995-1996 Mercury Grand Marquis, N/A. Confirm outlet thread sizes, reservoir configuration, and sensor connection before installation. Mounting hardware is not included.
Quality Assurance
Dorman manufactures this master cylinder as a new replacement part built to match the original unit’s design and performance requirements for the listed applications. The aluminum construction and OE-style configuration support a durable brake system repair.
| Brand | Dorman |
|---|---|
| Part Number | M390256 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Number of Outlets | 3 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M10 x 1.0; m18 x 1.0 |
| Thread Pitch | 1.0 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1996 | Ford | Crown Victoria | S | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1996 | Ford | Crown Victoria | LX | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1996 | Ford | Crown Victoria | Base | N/A | Compatible with 1-inch bore drum brake wheel cylinders. |
| 1996 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. | |
| 1996 | Mercury | Grand Marquis | N/A | 1" bore size brake master cylinder for vehicles without traction control. | |
| 1995 | Ford | Crown Victoria | S | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 1995 | Ford | Crown Victoria | LX | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 1995 | Ford | Crown Victoria | Base | N/A | 1" bore size brake master cylinder for vehicles without traction control. |
| 1995 | Lincoln | Town Car | N/A | 1" bore size brake master cylinder for vehicles without traction control. | |
| 1995 | 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.