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Dorman M390515 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford Escort and Mercury Tracer
The Dorman M390515 brake master cylinder is engineered to restore proper brake hydraulics for Ford Escort and Mercury Tracer models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance.
- Master cylinder bore diameter: 0.938 inches for accurate hydraulic pressure
- Constructed from durable aluminum material for corrosion resistance
- Includes reservoir and sensor for integrated brake fluid management
- Four outlets with rearward outlet sizes M10 x 1.0 and M18 x 1.0
- Compatible with Ford Escort and Mercury Tracer vehicles
- Mounting hardware not included
Product Details and Specifications
The Dorman M390515 brake master cylinder is designed specifically for brake hydraulics systems in Ford Escort and Mercury Tracer models. Its 0.938-inch bore diameter ensures proper hydraulic pressure for effective braking. The aluminum construction offers durability and resistance to corrosion, extending the service life of the component. This master cylinder comes with an integrated reservoir and sensor, allowing for seamless brake fluid monitoring and management. Featuring four outlets, including rearward outlet sizes of M10 x 1.0 and M18 x 1.0, it supports the necessary brake line connections for these vehicle models. Note that mounting hardware is not included with this part.
Common Applications and Problem Resolution
- Restores brake pressure loss due to worn or damaged master cylinder
- Eliminates brake fluid leaks from the master cylinder reservoir or seals
- Resolves brake pedal sinking or sponginess caused by internal cylinder wear
- Replaces faulty brake fluid level sensor for accurate warning signals
- Addresses inconsistent braking performance in Ford Escort and Mercury Tracer vehicles
Installation Notes and Tips
When installing the Dorman M390515 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify compatibility with your specific Ford Escort or Mercury Tracer model year before installation. Since mounting hardware is not included, retain or source the necessary bolts and fittings. Handle the aluminum master cylinder carefully to avoid damage to the sensor and reservoir components during installation.
Quality Assurance and Warranty
Dorman manufactures the M390515 brake master cylinder to meet or exceed OEM standards for fit and function. The aluminum construction and integrated sensor are tested for durability and reliability under typical operating conditions. While specific warranty details may vary, Dorman generally offers limited warranties covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | M390515 |
| Master Cylinder Bore Diameter | 0.938 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 4 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M10 x 1.0; M18 x 1.0 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | M10 x 1.0; M18 x 1.0 |
| Sensor Included | Yes |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2003 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2002 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2001 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2000 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1999 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1999 | Mercury | Tracer | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1998 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1998 | Mercury | Tracer | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1997 | Ford | Escort | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1997 | Mercury | Tracer | Automatic | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
* 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.