Raybestos 66492R Disc Brake Rotor - Front

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

The Raybestos R-Line 66492R disc brake rotor is engineered to meet the braking demands of Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis 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: 2.600 inches (66.050 mm)
• Outside diameter: 11.450 inches (290.850 mm)
• Nominal thickness: 1.030 inches (26.150 mm)
• Discard thickness: 0.974 inches (24.750 mm)
• 5 mounting bolt holes with 4.500 inch (114.300 mm) bolt circle diameter
• Center hole diameter: 2.826 inches (71.800 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Specifications and Features

This Raybestos R-Line rotor (part number 66492R) features a vented design that enhances cooling efficiency, reducing the risk of brake fade during extended use. The rotor’s nominal thickness of 1.030 inches and discard thickness of 0.974 inches provide clear service limits for maintenance. With an outside diameter of 11.450 inches and an overall height of 2.600 inches, it is engineered to fit precisely on the specified Ford, Lincoln, and Mercury models. The 5-bolt mounting pattern with a 4.500 inch bolt circle diameter ensures secure installation and compatibility with factory hardware.

R-Line Product Line Overview

The Raybestos R-Line series focuses on delivering reliable, OEM-quality brake components designed for everyday driving conditions. This product line balances performance and durability, making it suitable for vehicles like the Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis. The 66492R rotor exemplifies the R-Line’s commitment to consistent braking performance and fitment accuracy.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Improving heat dissipation to prevent brake fade in heavy traffic or towing
• Restoring proper rotor dimensions for smooth brake pad contact
• Ensuring compatibility with 5-lug wheel setups on specified vehicle models

Installation Notes and Tips

Before installation, verify rotor dimensions against vehicle specifications to ensure proper fit. Clean the rotor surface to remove any protective coatings or contaminants. Use a torque wrench to tighten mounting bolts to manufacturer-recommended specifications. Inspect brake pads and hardware during rotor replacement to maintain 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 performance. Warranty coverage details should be confirmed with the product documentation or supplier.