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Dorman M630289 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford F-150 and F-150 Heritage
The Dorman M630289 brake master cylinder is engineered to restore proper brake hydraulics in your Ford F-150 or F-150 Heritage. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance.
Key Features of the Dorman M630289 Brake Master Cylinder
- Master cylinder bore diameter of 1.188 inches for accurate hydraulic pressure
- Constructed from durable aluminum material for corrosion resistance
- Includes reservoir and sensor for integrated brake system monitoring
- Equipped with three outlets to support complex brake line configurations
- Rearward outlet size: 7/16-24; secondary outlet thread diameters: 9/16-18 and 3/8-24
- Package contains the master cylinder only; mounting hardware not included
Detailed Description of the Dorman Brake Master Cylinder
This Dorman brake master cylinder (part number M630289) is specifically designed for Ford F-150 and F-150 Heritage models, providing a direct replacement for the original component. The aluminum construction offers enhanced durability and resistance to wear, while the 1.188-inch bore diameter ensures proper hydraulic pressure for effective braking. The included reservoir and sensor facilitate fluid management and brake system monitoring, supporting vehicle safety and performance. With three outlets and precise thread sizes, this master cylinder accommodates the brake line setup typical of these Ford trucks.
Common Brake Issues Addressed by This Master Cylinder
- Spongy or unresponsive brake pedal feel
- Brake fluid leaks from the master cylinder or reservoir
- Brake warning light activation due to sensor failure
- Reduced hydraulic pressure causing poor braking performance
- Corrosion or wear in the original master cylinder affecting brake reliability
Installation Notes and Tips
- Compatible with Ford F-150 and F-150 Heritage models; verify year and specifications before installation
- Mounting hardware is not included; reuse existing hardware or acquire separately
- Bleed the brake system thoroughly after installation to remove air and ensure proper function
- Inspect brake lines and connections for wear or damage during replacement
- Follow manufacturer torque specifications for outlet fittings to prevent leaks
Quality Assurance and Warranty Information
Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function. The aluminum construction and integrated sensor contribute to reliable brake system operation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or contact the distributor for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | M630289 |
| Master Cylinder Bore Diameter | 1.188 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 3 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | 7/16-24 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 9/16-18 & 3/8-24 |
| Sensor Included | Yes |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Ford | F-150 Heritage | N/A | 1.125 inch bore size, includes Cruise Control. |
| 2003 | Ford | F-150 | N/A | Bore size of 1.1875 inches with Cruise Control compatibility. |
* 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.