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Raybestos MC39712 Brake Master Cylinder
Reliable Brake Master Cylinder for Dodge D250, D350, W250, W350
The Raybestos Element3; New Brake Master Cylinder MC39712 is engineered to restore precise brake hydraulics for your Dodge truck. Designed specifically for Dodge D250, D350, W250, and W350 models, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.
- Constructed from durable aluminum for corrosion resistance and longevity
- Features a 1.125-inch bore size for optimal hydraulic performance
- Includes two mounting holes with a diameter of 0.433 inches for secure installation
- Equipped with two ports: primary port thread 9/16"-20 and secondary port thread 1/2"-20
- Compatible with Dodge D250, D350, W250, and W350 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 product line emphasizes quality materials and precise engineering, making the MC39712 master cylinder a dependable choice for maintaining brake system integrity in Dodge trucks.
Detailed Product Description
The MC39712 brake master cylinder is crafted from aluminum, providing a lightweight yet robust solution for brake hydraulic needs. Its 1.125-inch bore size is designed to deliver consistent hydraulic pressure, essential for effective braking performance. The two mounting holes, each with a 0.433-inch diameter, allow for a secure and stable fitment on compatible Dodge models. Additionally, the master cylinder features two ports with specific thread sizes—9/16"-20 for the primary port and 1/2"-20 for the secondary port—ensuring proper connection to the brake lines.
Common Applications and Issues Addressed
- Restores brake fluid pressure in Dodge D250, D350, W250, and W350 trucks
- Replaces worn or leaking master cylinders causing brake pedal sponginess
- Solves brake fluid leaks that reduce braking efficiency
- Addresses inconsistent brake pedal feel due to internal cylinder wear
- Improves overall brake system responsiveness and safety
Installation Notes and Tips
When installing the Raybestos MC39712 master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the correct thread sizes for the primary and secondary ports to avoid cross-threading. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. It is recommended to inspect brake lines and related components during installation for any signs of wear or damage.
Quality Assurance and Warranty
Raybestos manufactures the MC39712 master cylinder to meet stringent quality standards, using corrosion-resistant aluminum and precise machining. This part is backed by Raybestos’ quality assurance protocols, ensuring reliable performance in Dodge D250, D350, W250, and W350 trucks. Please refer to Raybestos’ official warranty terms for coverage details.
| Brand | Raybestos |
|---|---|
| Part Number | MC39712 |
| Position | Element3; New, N/A |
| Bore Size | 1.125 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.433 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | 9/16"-20 |
| Secondary Port Thread A | 1/2"-20 |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Dodge | D250 | N/A | Element3; New |
| 1993 | Dodge | D350 | N/A | Element3; New |
| 1993 | Dodge | W250 | N/A | Element3; New |
| 1993 | Dodge | W350 | N/A | Element3; New |
| 1992 | Dodge | D250 | N/A | Element3; New |
| 1992 | Dodge | D350 | N/A | Element3; New |
| 1992 | Dodge | W250 | N/A | Element3; New |
| 1992 | Dodge | W350 | N/A | Element3; New |
| 1991 | Dodge | D250 | N/A | Element3; New |
| 1991 | Dodge | D350 | N/A | Element3; New |
| 1991 | Dodge | W250 | N/A | Element3; New |
| 1991 | Dodge | W350 | N/A | Element3; New |
| 1990 | Dodge | D250 | N/A | Element3; New |
| 1990 | Dodge | D350 | N/A | Element3; New |
| 1990 | Dodge | W250 | N/A | Element3; New |
| 1990 | Dodge | W350 | N/A | Element3; New |
| 1989 | Dodge | D250 | N/A | Element3; New |
| 1989 | Dodge | D350 | N/A | Element3; New |
| 1989 | Dodge | W250 | N/A | Element3; New |
| 1989 | Dodge | W350 | N/A | Element3; New |
| 1988 | Dodge | D250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1988 | Dodge | D350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1988 | Dodge | W250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1988 | Dodge | W350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1987 | Dodge | D250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1987 | Dodge | D350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1987 | Dodge | W250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1987 | Dodge | W350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1986 | Dodge | D250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1986 | Dodge | D350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1986 | Dodge | W250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1986 | Dodge | W350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1985 | Dodge | D350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1985 | Dodge | W250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1985 | Dodge | W350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1984 | Dodge | D350 | N/A | Fits with 4500lb axles.; Element3; New |
| 1984 | Dodge | W250 | N/A | Fits with 4500lb axles.; Element3; New |
| 1984 | Dodge | W350 | N/A | Fits with 4500lb axles.; 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.