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Dorman M390283 Brake Master Cylinder
Dorman M390283 Brake Master Cylinder
This Dorman brake master cylinder is built for specific Mitsubishi applications and matches the original design, function, and performance requirements of the factory unit. It is a direct replacement for 1995-1998 Mitsubishi Eclipse models with 15/16" bore size drum brakes, using new materials for a durable brake hydraulic repair.
Key Features
- Direct replacement brake master cylinder for select Mitsubishi vehicles
- 0.938 in. bore diameter for the specified brake system
- Aluminum master cylinder construction
- Two outlet ports with M10 x 1.0 rearward outlet thread
- Reservoir not included
- Sensor not included
- Package contains the master cylinder only
Detailed Description
The Dorman M390283 is engineered to replicate the original master cylinder used on select 1995-1998 Mitsubishi Eclipse brake systems. Its aluminum body and precise bore sizing support consistent hydraulic pressure delivery, while the two-outlet design and M10 x 1.0 rearward outlet thread help ensure proper connection to the vehicle’s brake lines. This part cross-references Cardone New 13-2809 for the same application.
For buyers searching for a 1995-1998 Mitsubishi Eclipse brake master cylinder, Mitsubishi Eclipse master cylinder replacement, or Dorman M390283 brake hydraulics, this part provides a direct-fit solution for the listed drum brake configuration.
What It Helps Solve
- Brake pedal travel that feels excessive or inconsistent
- Loss of hydraulic pressure in the brake system
- Internal master cylinder wear or seal failure
- Brake fluid leakage from the master cylinder assembly
- Poor braking response caused by a failing hydraulic unit
Installation Notes and Tips
Verify bore size, outlet thread size, and brake system configuration before installation. This master cylinder does not include mounting hardware, a reservoir, or a sensor, so reuse or source the required related components as needed. After installation, bleed the brake system thoroughly and confirm all line connections are secure.
Quality Assurance
Dorman manufactures this replacement master cylinder using new, high-quality materials and dimensions matched to the original part design for the listed Mitsubishi applications. Compatible With 1995-1998 Mitsubishi Eclipse, N/A.
| Brand | Dorman |
| Part Number | M390283 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 0.938 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | No |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | No |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M10 x 1.0 |
| Thread Pitch | 1.0 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1998 | Mitsubishi | Eclipse | GSX | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1997 | Mitsubishi | Eclipse | GSX | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1996 | Mitsubishi | Eclipse | GSX | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1995 | Mitsubishi | Eclipse | GSX | 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.