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Dorman M39722 Brake Master Cylinder
| Brand | Dorman M39722 |
|---|---|
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 0.813 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M10 x 1.0 |
| Thread Pitch | 1.0 |
| Fits | Dodge and Mitsubishi · 17 vehicles |
OE-style replacement. Precision-engineered to match original design, function, and performance.
Aluminum construction. Made from new materials for a durable brake master cylinder.
Reservoir included. Comes with a reservoir and sensor for a complete assembly.
Cross-references Cardone New 13-2462, Centric Parts 130.46507 and Raybestos Brakes MC39722 for the same application. See all 13.
Dorman M39722 Brake Master Cylinder
Dorman M39722 is a brake master cylinder built for specific Dodge Colt and Mitsubishi Mirage applications from 1989-1992. It is precision-engineered to match the original master cylinder’s design, function, and performance, using new high-quality materials for a durable brake hydraulic replacement.
Key Features
- Direct replacement brake master cylinder for select 1989-1992 Dodge Colt and Mitsubishi Mirage models
- Aluminum master cylinder construction for a lightweight, corrosion-resistant design
- 0.813 in. bore diameter for the specified brake system application
- Reservoir included for a complete master cylinder assembly
- Sensor included for vehicles equipped with the original sensor setup
- Two outlets with M10 x 1.0 thread pitch and rearward outlet size
Detailed Description
This Dorman brake master cylinder is engineered for the original hydraulic layout used on select Dodge Colt and Mitsubishi Mirage vehicles. The aluminum body, 0.813-inch bore, dual outlets, and included reservoir support proper brake system operation in applications that require a 13/16-inch bore size. This part number, M39722, is a practical OE-style replacement for drivers servicing brake hydraulics on these compact import vehicles.
This part cross-references Raybestos Brakes MC39722 for the same application.
What It Helps Fix
- Brake pedal travel caused by a worn or leaking master cylinder
- Loss of hydraulic pressure in the brake system
- External fluid seepage around the master cylinder body or outlets
- Brake warning light concerns related to the master cylinder sensor circuit
- Poor brake response on vehicles requiring a 13/16-inch bore master cylinder
Installation Notes and Tips
Verify bore diameter, outlet thread size, and reservoir configuration before installation. This master cylinder is listed for 1989-1989 Dodge Colt, 1990-1991 Dodge Colt, 1991-1992 Dodge Colt built in Canada, 1989-1990 Mitsubishi Mirage, and 1992 Mitsubishi Mirage with drum brake wheel cylinders requiring a 13/16-inch bore size. Bench bleeding the master cylinder before installation helps reduce trapped air in the hydraulic system. Transfer and inspect any required brake lines, fittings, and sensor connections during service.
Quality Assurance
Dorman manufactures this replacement master cylinder with new materials and application-specific engineering to match the original part’s function and performance. Part number M39722 is built for direct-fit service on the listed vehicles and brake system configurations.
| Year | Make | Model | Submodel | Body Type | Notes |
|---|---|---|---|---|---|
| 1992 | Dodge | Colt | — | — | Built in Canada; Bore: 13/16 In. |
| 1992 | Eagle | Summit | Base | Sedan | Built in Canada; Bore: 13/16 In. |
| 1992 | Eagle | Summit | Base | Hatchback | Built in Canada; Bore: 13/16 In. |
| 1992 | Mitsubishi | Mirage | — | Hatchback | Compatible with drum brake wheel cylinders with a 13/16 inch bore size. |
| 1992 | Plymouth | Colt | — | — | Built in Canada; Bore: 13/16 In. |
| 1991 | Dodge | Colt | — | — | Built in Canada; Bore: 13/16 In. |
| 1991 | Eagle | Summit | DL | — | Built in Canada; Bore: 13/16 In. |
| 1991 | Eagle | Summit | Base | — | Built in Canada; Bore: 13/16 In. |
| 1991 | Mitsubishi | Mirage | — | Hatchback | — |
| 1991 | Plymouth | Colt | — | — | Built in Canada; Bore: 13/16 In. |
| 1990 | Dodge | Colt | — | Hatchback | Compatible with drum brake wheel cylinders with a 13/16 inch bore size. |
| 1990 | Eagle | Summit | ES | — | Compatible with drum brake wheel cylinders with a 13/16 inch bore size. |
| 1990 | Mitsubishi | Mirage | — | Hatchback | — |
| 1990 | Plymouth | Colt | — | Hatchback | Compatible with drum brake wheel cylinders with a 13/16 inch bore size. |
| 1989 | Dodge | Colt | — | Hatchback | — |
| 1989 | Mitsubishi | Mirage | — | Hatchback | Compatible with drum brake wheel cylinders with a 13/16 inch bore size. |
| 1989 | Plymouth | Colt | — | Hatchback | — |
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