/live/media/DB/DB_M630493_Fro.jpg)
OE Quality
60-Day Returns
Dorman M630493 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford Freestar and Windstar
The Dorman M630493 brake master cylinder is engineered to restore proper brake hydraulics in your Ford Freestar or Windstar. Designed with precision, this aluminum master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.
- Master cylinder bore diameter: 1.063 inches for accurate hydraulic control
- Constructed from durable aluminum material for corrosion resistance
- Includes three outlets with rearward outlet size M12 x 1.0
- Secondary outlet thread diameters: M12 x 1.0 and 3/8-24
- Package contains the master cylinder only; reservoir and mounting hardware not included
Product Details and Specifications
This Dorman brake master cylinder (part number M630493) is specifically designed for Ford Freestar and Windstar models, providing a direct replacement for the original component. The 1.063-inch bore diameter allows for precise brake fluid displacement, essential for maintaining proper brake pedal feel and stopping power. Made from aluminum, the master cylinder offers enhanced durability and resistance to corrosion compared to traditional cast iron units. It features three outlets to accommodate the brake hydraulic system, with rearward and secondary outlet thread sizes tailored to fit the vehicle's brake lines securely.
Common Applications and Problem Resolution
This brake master cylinder is used to replace faulty or worn units that can cause several braking issues, including:
- Spongy or soft brake pedal feel
- Brake fluid leaks around the master cylinder
- Reduced braking efficiency or uneven brake pressure
- Brake warning light activation due to hydraulic failure
- Difficulty maintaining brake fluid pressure under load
Installation Notes and Tips
Installation of the Dorman M630493 master cylinder requires careful attention to brake system bleeding to remove air and ensure proper hydraulic function. Note that this product does not include mounting hardware or a reservoir, so reusing existing components or sourcing replacements separately is necessary. Verify thread sizes (M12 x 1.0 and 3/8-24) for compatibility with your brake lines before installation. Professional installation is recommended to maintain brake system safety and performance.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for Ford Freestar and Windstar vehicles. While mounting hardware and reservoir are not included, the master cylinder itself is built from high-quality aluminum for long-lasting service. Please consult Dorman's warranty policy for coverage details on part number M630493.
| Brand | Dorman |
|---|---|
| Part Number | M630493 |
| Master Cylinder Bore Diameter | 1.063 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 3 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M12 X 1.0 |
| Reservoir Included | No |
| Secondary Outlet Thread Diameter | M12 X 1.0 & 3/8-24 |
| Sensor Included | No |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Ford | Freestar | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2004 | Ford | Freestar | N/A | Drum brake wheel cylinder with a size of 1.0625 inches. |
| 2003 | Ford | Windstar | N/A | Brake Master Cylinder with Bore size of 1.0625 In. and Interactive Vehicle Dynamics (IVD) |
* 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.