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Dorman M39741 Brake Master Cylinder
Overview of Dorman Brake Master Cylinder M39741
The Dorman Brake Master Cylinder M39741 is designed for reliable brake hydraulics performance in select Ford and Mazda vehicles. This cast iron master cylinder includes a reservoir and sensor, engineered to meet the specific needs of models like the Ford Probe, Mazda 626, and MX-6.
- Master cylinder bore diameter: 0.875 inches
- Constructed from durable cast iron material
- Includes reservoir for brake fluid
- Equipped with a sensor for system monitoring
- Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
- Secondary outlet thread diameter: 10 mm
- Mounting hardware not included
Detailed Product Description
The Dorman M39741 brake master cylinder is a critical component in the brake hydraulics system, responsible for converting pedal pressure into hydraulic force. Its 0.875-inch bore diameter ensures proper fluid displacement, while the cast iron construction provides strength and durability under demanding conditions. The included reservoir allows for efficient brake fluid storage and circulation, and the integrated sensor supports brake system diagnostics and safety features. With two outlets and precise thread specifications (M10 x 1.0 rearward outlet and 10 mm secondary outlet), this master cylinder is engineered to fit the brake systems of Ford Probe, Mazda 626, and MX-6 models accurately.
Compatible Vehicles and Applications
This brake master cylinder is compatible with the following vehicles:
- Ford Probe
- Mazda 626
- Mazda MX-6
It is designed to replace the original equipment part, ensuring proper fit and function in these specific models.
Common Issues Addressed by This Master Cylinder
- Brake pedal sinking or sponginess due to internal leaks
- Brake fluid leaks from a damaged or worn master cylinder
- Brake warning light activation related to sensor faults
- Reduced braking efficiency caused by improper fluid pressure
- Failure of the original master cylinder bore or seals
Installation Notes and Tips
- Ensure brake system is properly bled after installation to remove air
- Verify compatibility with vehicle make and model before installation
- Use appropriate brake fluid as specified by the vehicle manufacturer
- Mounting hardware is not included; reuse existing hardware or source separately
- Check sensor connections for proper operation after installation
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and integrated sensor contribute to reliable brake system performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | M39741 |
| Master Cylinder Bore Diameter | 0.875 |
| Master Cylinder Material | Cast Iron |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M10 X 1.0 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Thread Pitch | 1.0 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1992 | Ford | Probe | GT | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1992 | Mazda | 626 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1992 | Mazda | MX-6 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1991 | Ford | Probe | GT | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1991 | Mazda | 626 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1991 | Mazda | MX-6 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1990 | Ford | Probe | GT | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1990 | Ford | Probe | GL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1990 | Mazda | 626 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1990 | Mazda | MX-6 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1989 | Ford | Probe | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1989 | Mazda | 626 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1989 | Mazda | MX-6 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1988 | Mazda | 626 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |
| 1988 | Mazda | MX-6 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
* 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.