Raybestos 66984 Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos 66984 Disc Brake Rotor and Hub Assembly

The Raybestos Specialty - Truck 66984 disc brake rotor and hub assembly is engineered for reliable braking performance on select Ford and Lincoln trucks and SUVs. Designed specifically for models like the Ford F-150, F-150 Heritage, Expedition, and Lincoln Navigator, this assembly ensures proper fitment and durability.

• Compatible with Ford Expedition, F-150, F-150 Heritage, and Lincoln Navigator
• Includes disc brake rotor and hub assembly for streamlined installation
• Mounting bolt hole quantity: 5 with a 135 mm (5.315 inch) bolt circle diameter
• Mounting bolt hole diameter: 0.600 inch (15.25 mm)
• Nominal rotor thickness: 1.185 inch (30.1 mm); discard thickness: 1.091 inch (27.7 mm)
• Stud/lug hole quantity: 5 for secure wheel attachment

Detailed Product Description and Specifications

This Raybestos disc brake rotor and hub assembly (part number 66984) is part of the Specialty - Truck product line, which focuses on components tailored for truck applications requiring robust construction and precise fitment. The rotor features a nominal thickness of 1.185 inches (30.1 mm) and a discard thickness of 1.091 inches (27.7 mm), ensuring it meets safety standards for wear limits. The assembly includes a hub with five mounting bolt holes arranged on a 135 mm (5.315 inch) bolt circle diameter, and each hole measures 0.600 inch (15.25 mm) in diameter. This configuration matches the wheel mounting requirements of the specified Ford and Lincoln models, providing a direct replacement solution.

Applications and Common Issues Addressed

• Replacement for worn or warped rotors on Ford F-150 and Lincoln Navigator
• Restores proper wheel hub alignment and brake rotor function
• Addresses brake pulsation caused by uneven rotor surfaces
• Solves issues related to excessive rotor wear beyond discard thickness
• Improves braking stability on Ford Expedition and F-150 Heritage models

Installation Notes and Tips

When installing the Raybestos 66984 rotor and hub assembly, ensure the mounting surfaces are clean and free of debris to maintain proper fitment. Torque the five mounting bolts evenly to the manufacturer’s specifications to avoid rotor distortion. Verify that the rotor thickness is within nominal limits before installation, and replace if below discard thickness. This assembly is designed for direct bolt-on installation on compatible Ford and Lincoln vehicles, simplifying the replacement process.

Quality Assurance and Warranty Information

Raybestos Specialty - Truck parts are manufactured to meet or exceed OEM standards for durability and performance. The 66984 disc brake rotor and hub assembly undergoes rigorous quality control to ensure consistent fit and function. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Ford Expedition, F-150, F-150 Heritage, and Lincoln Navigator applications.