Raybestos 66327R Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mercury Quest and Nissan Villager

The Raybestos R-Line 66327R disc brake rotor is engineered to provide consistent braking performance for Mercury Quest and Nissan Villager models. Designed with precision, this vented rotor meets exact specifications to ensure proper fit and function.

• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.055 inches (52.2 mm)
• Outside diameter: 10.9 inches (276.85 mm)
• Nominal thickness: 1.025 inches (26.05 mm)
• Discard thickness: 0.94 inches (23.9 mm)
• Mounting bolt hole quantity: 5 with 114.3 mm bolt circle diameter
• Center hole diameter: 2.916 inches (74.05 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Specifications and Features

This Raybestos R-Line disc brake rotor (part number 66327R) is designed as a vented rotor, which helps reduce brake fade by allowing better airflow and heat dissipation during braking. The rotor features a nominal thickness of 1.025 inches and a discard thickness of 0.94 inches, ensuring it meets safety standards for replacement. With an overall height of 2.055 inches and an outside diameter of 10.9 inches, it fits precisely on the front or rear axle assemblies of compatible vehicles. The rotor includes five mounting bolt holes arranged on a 114.3 mm bolt circle diameter, matching the factory specifications for Mercury Quest and Nissan Villager models. The center hole diameter of 2.916 inches ensures proper hub fitment, and the conventional rotor design supports drum-in-hat configurations where applicable.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components for a range of vehicles. This line emphasizes precise fitment and consistent performance, making it suitable for drivers seeking dependable replacement parts. The 66327R rotor is part of this line, offering a balance of durability and engineered design to meet the braking needs of Mercury Quest and Nissan Villager owners.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake vibration
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving brake noise related to uneven rotor surfaces
• Improving heat dissipation to prevent brake fade during heavy use
• Ensuring proper rotor fitment for Mercury Quest and Nissan Villager models

Installation Notes and Tips

When installing the Raybestos R-Line 66327R rotor, ensure the mounting surface is clean and free of rust or debris to maintain proper rotor alignment. Verify that the rotor thickness meets or exceeds the nominal thickness specification of 1.025 inches before installation. Use the correct torque specifications for the five mounting bolts on the 114.3 mm bolt circle diameter to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, Raybestos typically offers a limited warranty against defects in materials and workmanship for their R-Line brake components.