Raybestos MC391203 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC391203

The Raybestos Element3; New Brake Master Cylinder MC391203 is engineered for reliable brake hydraulics performance. Designed specifically for Ford Escape, Mazda Tribute, and Mercury Mariner models, this aluminum master cylinder ensures precise brake fluid control and durability.

• Constructed from lightweight aluminum for corrosion resistance
• Features a 1.060-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.354 inches for secure installation
• Equipped with two ports, both with M14x1.5 thread size for compatibility with brake lines
• Compatible with Ford Escape, Mazda Tribute, and Mercury Mariner vehicles

Detailed Product Description and Specifications

The MC391203 brake master cylinder from Raybestos is crafted with an aluminum body to provide strength while resisting rust and wear. Its 1.060-inch bore size is designed to deliver consistent hydraulic pressure, essential for effective braking. The unit features two mounting holes, each with a 0.354-inch diameter, ensuring a secure fit in the brake system assembly. Additionally, the master cylinder includes two ports, both threaded M14x1.5, allowing for straightforward connection to brake lines. This part is specifically engineered to meet the brake hydraulic requirements of Ford Escape, Mazda Tribute, and Mercury Mariner models, making it a precise replacement component.

About the Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering brake hydraulics components that combine modern materials and precise engineering. This product line emphasizes durability and fitment accuracy, providing components like the MC391203 master cylinder that meet OEM specifications for select vehicle models. The use of aluminum and standardized port threading reflects the line’s commitment to quality and compatibility.

Common Applications and Issues Addressed

• Restores proper brake fluid pressure in Ford Escape, Mazda Tribute, and Mercury Mariner
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Solves brake fluid leaks due to damaged ports or seals
• Addresses inconsistent braking performance from internal cylinder wear
• Improves brake system reliability after component failure

Installation Notes and Tips

• Ensure vehicle compatibility with Ford Escape, Mazda Tribute, or Mercury Mariner before installation
• Verify mounting hole alignment and diameter (0.354 inches) for proper fit
• Use appropriate brake fluid and bleed the system thoroughly after installation
• Check port thread size M14x1.5 for brake line compatibility
• Follow manufacturer torque specifications to avoid damage

Quality Assurance and Warranty

Raybestos manufactures the MC391203 brake master cylinder to meet stringent quality standards. The aluminum construction and precise bore sizing contribute to long service life and consistent performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.