Raybestos 680404R Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Ford, Lincoln, Mazda, and Mercury

The Raybestos R-Line 680404R disc brake rotor is engineered to meet the braking demands of select Ford Fusion, Lincoln MKZ, Mazda Milan, and Mercury Zephyr models. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Vented disc brake rotor for improved heat dissipation
• Overall height: 1.908 inches (48.450 mm)
• Outside diameter: 11.770 inches (298.950 mm)
• Nominal thickness: 0.979 inches (24.850 mm)
• Discard thickness: 0.906 inches (23.000 mm)
• 5 mounting bolt holes with 4.500 inch (114.300 mm) bolt circle diameter
• Conventional rotor type with 5 stud/lug holes

Detailed Specifications of Raybestos R-Line 680404R Rotor

This Raybestos R-Line rotor features a vented design that enhances cooling efficiency, reducing the risk of brake fade during extended use. The rotor's nominal thickness of 0.979 inches (24.850 mm) provides a solid braking surface, while the discard thickness of 0.906 inches (23.000 mm) indicates the minimum safe thickness before replacement is necessary. With an overall height of 1.908 inches (48.450 mm) and an outside diameter of 11.770 inches (298.950 mm), this rotor is engineered to fit precisely on vehicles requiring a 5-bolt mounting pattern with a 4.500 inch (114.300 mm) bolt circle diameter. The conventional rotor design is compatible with the drum-in-hat style brake systems found on the specified Ford, Lincoln, Mazda, and Mercury models.

Compatible Vehicles and Applications

• Ford Fusion
• Lincoln MKZ
• Mazda Milan
• Mercury Zephyr

This rotor is specifically designed for these models, ensuring proper fitment and reliable braking performance.

Common Issues Addressed by This Disc Brake Rotor

• Brake rotor warping causing vibration during braking
• Reduced braking efficiency due to worn or thin rotors
• Overheating and brake fade from insufficient heat dissipation
• Uneven rotor wear leading to noise and pulsation
• Corrosion or surface damage affecting brake pad contact

Installation Notes and Tips

When installing the Raybestos R-Line 680404R rotor, ensure the mounting surface is clean and free of debris to prevent rotor runout. Verify the rotor thickness before installation to confirm it meets or exceeds the discard thickness specification of 0.906 inches (23.000 mm). Use proper torque specifications for the 5 mounting bolts with a 4.500 inch (114.300 mm) bolt circle diameter. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for durability and performance. The 680404R rotor undergoes rigorous quality control to ensure consistent thickness, balance, and material integrity. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed for a range of domestic and import vehicles. The 680404R disc brake rotor exemplifies the R-Line commitment to precision engineering and consistent performance, making it suitable for drivers seeking dependable replacement parts for their Ford Fusion, Lincoln MKZ, Mazda Milan, or Mercury Zephyr.