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Dorman M39756 Brake Master Cylinder
Overview of Dorman Brake Master Cylinder M39756
The Dorman Brake Master Cylinder M39756 is designed specifically for Honda Civic, Civic del Sol, and CRX models. This brake hydraulics component ensures reliable brake fluid pressure and includes a reservoir and sensor for enhanced functionality.
- Master cylinder bore diameter: 0.875 inches
- Constructed from durable aluminum material
- Includes reservoir for brake fluid
- Equipped with a sensor for brake 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 M39756 brake master cylinder is engineered with a 0.875-inch bore diameter to provide consistent hydraulic pressure for the braking system. Made from aluminum, this master cylinder offers corrosion resistance and long-term durability. It comes with an integrated reservoir to hold brake fluid, ensuring proper fluid supply during operation. The included sensor allows for real-time monitoring of brake fluid levels or pressure, which is critical for maintaining brake system safety. Featuring two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this master cylinder is compatible with the brake hydraulics setup of Honda Civic, Civic del Sol, and CRX vehicles. Note that mounting hardware is not included, so additional components may be required for installation.
Compatible Vehicles and Applications
- Honda Civic (various model years)
- Honda Civic del Sol
- Honda CRX
This part is intended for use in brake hydraulic systems where the original master cylinder requires replacement due to wear, leaks, or failure.
Common Issues Addressed by This Master Cylinder
- Brake pedal sinking or sponginess
- Brake fluid leaks from the master cylinder
- Reduced braking performance or pressure loss
- Warning lights triggered by faulty brake fluid sensors
- Corrosion or damage to the original master cylinder housing
Installation Notes and Tips
Installation of the Dorman M39756 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic pressure. Since mounting hardware is not included, verify compatibility with existing brackets and fasteners. It is recommended to inspect brake lines and related components during installation to prevent future leaks or failures. Use manufacturer-recommended brake fluid and follow vehicle-specific service procedures for best results.
Quality Assurance and Warranty
Dorman brake master cylinders are manufactured to meet or exceed OEM specifications, providing reliable performance for Honda Civic, Civic del Sol, and CRX models. This product includes a limited warranty against defects in material and workmanship. For detailed warranty terms, refer to Dorman's official documentation.
| Brand | Dorman |
|---|---|
| Part Number | M39756 |
| Master Cylinder Bore Diameter | 0.875 |
| Master Cylinder Material | Aluminum |
| 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 10 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1995 | Honda | Civic | EX | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||||
| 1994 | Honda | Civic | EX | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||||
| 1994 | Honda | Civic del Sol | 1.6L | L4 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |||
| 1993 | Honda | Civic | EX | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||||
| 1991 | Honda | Civic | Wagon | 4WD | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |||
| 1991 | Honda | CRX | Si | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||||
| 1990 | Honda | Civic | Wagon | 4WD | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |||
| 1990 | Honda | CRX | Si | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||||
| 1989 | Honda | Civic | Wagon | 4WD | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | |||
| 1988 | Honda | Civic | Wagon | 4WD | 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.