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Raybestos MC39445 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford E-250 and F-350 Models
The Raybestos Element3; New Brake Master Cylinder MC39445 is engineered to restore precise brake hydraulics for select Ford trucks and vans. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for your Ford E-250 Econoline, E-350 Econoline, F-250, and F-350 vehicles.
- Constructed from robust iron material for long-lasting durability
- Features a 1.125-inch bore size for optimal hydraulic pressure
- Includes two mounting holes with a 0.402-inch diameter for secure installation
- Equipped with two ports: primary port thread 3/8"-24 and secondary port thread 7/16"-24
- Compatible with Ford E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350 models
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC39445 is part of that line, offering precise engineering and material quality tailored for Ford trucks and vans. The Element3; New series emphasizes durability and fitment accuracy to maintain vehicle safety and braking efficiency.
Detailed Product Description
This brake master cylinder MC39445 is designed with an iron body to withstand the rigors of brake system pressure and heat. The 1.125-inch bore size provides the correct hydraulic force needed for effective braking on heavy-duty Ford vehicles. With two mounting holes sized at 0.402 inches in diameter, installation is straightforward and secure. The master cylinder includes two ports, featuring a primary port thread of 3/8"-24 and a secondary port thread of 7/16"-24, ensuring compatibility with the brake lines on Ford E-250 and F-350 models. This part number MC39445 is engineered specifically for the brake hydraulics system, making it a direct replacement for worn or damaged master cylinders in these vehicles.
Common Applications and Issues Addressed
- Restores brake pressure loss in Ford E-250 Econoline and F-350 trucks
- Eliminates brake pedal sinking or sponginess caused by master cylinder wear
- Resolves fluid leaks from the brake master cylinder ports or mounting area
- Improves overall brake system responsiveness and safety
- Prevents brake failure due to internal seal degradation
Installation Notes and Tips
- Ensure the vehicle is securely lifted and supported before beginning installation
- Bleed the brake system thoroughly after installing the master cylinder to remove air
- Verify mounting hole alignment and port thread compatibility with existing brake lines
- Use appropriate brake fluid as specified by the vehicle manufacturer
- Inspect related brake components for wear during installation
Quality Assurance and Warranty
Raybestos manufactures the Element3; New brake master cylinder MC39445 to meet stringent quality standards. The iron construction and precise machining contribute to reliable performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | MC39445 |
| Position | Element3; New, N/A |
| Bore Size | 1.125 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.402 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | 3/8"-24 |
| Secondary Port Thread A | 7/16"-24 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1986 | Ford | E-250 Econoline | N/A | Over 8500lb GVW; Element3; New |
| 1986 | Ford | E-250 Econoline Club Wagon | N/A | Over 8500lb GVW; Element3; New |
| 1986 | Ford | E-350 Econoline | N/A | Element3; New |
| 1986 | Ford | E-350 Econoline Club Wagon | N/A | Element3; New |
| 1986 | Ford | F-250 | N/A | Over 8500lb GVW; Element3; New |
| 1986 | Ford | F-350 | N/A | Element3; New |
| 1985 | Ford | E-250 Econoline | N/A | Over 8500lb GVW; Element3; New |
| 1985 | Ford | E-250 Econoline Club Wagon | N/A | Over 8500lb GVW; Element3; New |
| 1985 | Ford | E-350 Econoline | N/A | Element3; New |
| 1985 | Ford | E-350 Econoline Club Wagon | N/A | Element3; New |
| 1985 | Ford | F-250 | N/A | Over 8500lb GVW; Element3; New |
| 1985 | Ford | F-350 | N/A | Element3; New |
| 1984 | Ford | E-250 Econoline | N/A | Over 8500lb GVW; Element3; New |
| 1984 | Ford | E-250 Econoline Club Wagon | N/A | Over 8500lb GVW; Element3; New |
| 1984 | Ford | E-350 Econoline | N/A | Element3; New |
| 1984 | Ford | E-350 Econoline Club Wagon | N/A | Element3; New |
| 1984 | Ford | F-250 | N/A | Over 8500lb GVW; Element3; New |
| 1984 | Ford | F-350 | N/A | Element3; New |
* 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.