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Dorman M39759 Brake Master Cylinder
Reliable Brake Master Cylinder for Mitsubishi Van
The Dorman M39759 brake master cylinder is engineered to provide consistent hydraulic pressure for your Mitsubishi Van's braking system. Designed with durable cast iron construction, this master cylinder ensures reliable performance and longevity under demanding conditions.
- Master cylinder bore diameter: 0.938 inches for precise hydraulic control
- Constructed from cast iron for strength and durability
- Includes two outlets with a rearward outlet size of M10 x 1.0 and a thread pitch of 1.0
- Does not include reservoir or mounting hardware
- Compatible specifically with Mitsubishi Van models
Detailed Product Description
The Dorman M39759 brake master cylinder is a critical component in the brake hydraulics system of Mitsubishi Van vehicles. Its cast iron material offers robust resistance to wear and corrosion, ensuring long-term reliability. The 0.938-inch bore diameter is designed to deliver consistent hydraulic pressure to the brake calipers or wheel cylinders, maintaining effective braking performance. Featuring two outlets, including a secondary outlet with a 10mm thread diameter and a rearward outlet sized M10 x 1.0, this master cylinder integrates seamlessly with the vehicle's brake lines. Note that this part does not include a reservoir or sensor, so it is intended for applications where these components are already present or replaced separately.
Common Applications and Issues Addressed
- Restores proper hydraulic pressure in the brake system of Mitsubishi Van models
- Replaces worn or leaking master cylinders causing brake fluid loss
- Eliminates spongy or unresponsive brake pedal feel
- Addresses brake failure symptoms related to internal cylinder wear
- Supports maintenance of brake system integrity for safe vehicle operation
Installation Notes and Tips
When installing the Dorman M39759 brake master cylinder, ensure the brake fluid reservoir is compatible and properly connected, as this part does not include a reservoir. Bleed the brake system thoroughly after installation to remove air and restore optimal hydraulic pressure. Verify that the outlet threads (M10 x 1.0) match the vehicle’s brake line fittings to avoid leaks. Since mounting hardware is not included, retain or source the necessary bolts and fittings for secure installation.
Quality Assurance and Warranty
Dorman manufactures the M39759 brake master cylinder to meet or exceed OEM specifications for Mitsubishi Van brake hydraulics. The cast iron construction and precise bore diameter contribute to dependable performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake components to cover defects in materials and workmanship.
| Brand | Dorman |
| Part Number | M39759 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 0.938 |
| Master Cylinder Material | Cast iron |
| 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 | Position | Notes |
|---|---|---|---|---|
| 1990 | Mitsubishi | Van | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1989 | Mitsubishi | Van | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1988 | Mitsubishi | Van | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 1987 | Mitsubishi | Van | 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.