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Raybestos MC391439 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford B2000 and Mazda Courier
The Raybestos Element3; New Brake Master Cylinder MC391439 is engineered to restore precise brake hydraulics for your Ford B2000 or Mazda Courier. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.
- Compatible with Ford B2000 and Mazda Courier models
- Constructed from lightweight, corrosion-resistant aluminum
- Two mounting holes with 0.354-inch diameter for secure installation
- 0.875-inch bore size for optimal hydraulic pressure
- Primary and secondary port threads sized M10x1.25 for standard brake line connections
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and quality materials. This brake master cylinder is part of that line, offering a balance of durability and fitment accuracy to meet the demands of Ford B2000 and Mazda Courier vehicles.
Detailed Product Description
This brake master cylinder (part number MC391439) features an aluminum body that resists corrosion and reduces weight compared to traditional cast iron units. It includes two mounting holes with a diameter of 0.354 inches, ensuring a secure and stable fit. The 0.875-inch bore size is designed to provide the correct hydraulic pressure for effective braking. Both the primary and secondary ports have M10x1.25 threads, compatible with standard brake line fittings for straightforward installation.
Common Applications and Issues Addressed
- Restores brake hydraulic pressure in Ford B2000 and Mazda Courier models
- Replaces worn or leaking master cylinders causing brake fluid loss
- Eliminates spongy or unresponsive brake pedal feel
- Fixes internal seal failures leading to brake system failure
- Addresses corrosion or damage to original master cylinder housing
Installation Notes and Tips
- Ensure compatibility with Ford B2000 or Mazda Courier before installation
- Bleed the brake system thoroughly after installation to remove air
- Use proper torque on mounting bolts to avoid damage to mounting holes
- Inspect brake lines and fittings for wear or damage during replacement
- Follow manufacturer’s brake system maintenance procedures for safety
Quality Assurance and Warranty
Raybestos manufactures the MC391439 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | MC391439 |
| Position | Element3; New, N/A |
| Bore Size | 0.875 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.354 |
| Mounting Hole Quantity | 2 |
| Primary Port Thread A | M10x1.25 |
| Secondary Port Thread A | M10x1.25 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1979 | Mazda | B2000 | N/A | Element3; New | ||
| 1977 | Ford | Courier | 1.8L | L4 | N/A | Element3; New |
| 1977 | Ford | Courier | 2.3L | L4 | 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.