Raybestos 66647 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Truck Disc Brake Rotor 66647

The Raybestos Specialty - Truck Disc Brake Rotor 66647 is engineered for reliable braking performance on Ford Expedition and Lincoln Navigator models. Designed as a vented, conventional rotor, it meets the specific demands of these full-size SUVs, ensuring consistent stopping power under various driving conditions.

• Vented disc brake rotor for improved heat dissipation
• Nominal thickness of 1.185 inches (30.100 mm) with discard thickness at 1.091 inches (27.700 mm)
• Overall height of 1.855 inches (47.100 mm)
• Outside diameter measuring 12.120 inches (307.850 mm)
• Five mounting bolt holes with a 5.315 inch (135.000 mm) bolt circle diameter
• Center hole diameter of 3.638 inches (92.400 mm)
• Compatible with 5 stud/lug hole configurations

Detailed Product Specifications

This Raybestos disc brake rotor features a vented design that enhances cooling efficiency, reducing the risk of brake fade during heavy use. The rotor's nominal thickness of 1.185 inches (30.100 mm) provides a solid braking surface, while the discard thickness of 1.091 inches (27.700 mm) indicates the minimum safe thickness before replacement is necessary. With an overall height of 1.855 inches (47.100 mm) and an outside diameter of 12.120 inches (307.850 mm), this rotor is tailored to fit the braking system of Ford Expedition and Lincoln Navigator vehicles precisely. The five mounting bolt holes and matching bolt circle diameter ensure secure installation on compatible hubs.

Raybestos Specialty - Truck Product Line

The Specialty - Truck line from Raybestos focuses on heavy-duty brake components designed for trucks and large SUVs. This product line emphasizes durability and performance under demanding conditions, making it suitable for vehicles like the Ford Expedition and Lincoln Navigator. The 66647 rotor exemplifies this approach by combining robust construction with precise fitment specifications.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Expedition and Lincoln Navigator
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Improves braking performance and heat dissipation during towing or heavy load conditions
• Restores proper rotor thickness to maintain safe braking distances
• Compatible upgrade for maintaining factory brake system specifications

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of rust before installation. Verify the rotor thickness is above the discard limit of 1.091 inches (27.700 mm) to maintain safety standards. Use proper torque specifications on the five mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.

Quality Assurance and Warranty

Raybestos disc brake rotors undergo rigorous quality control to meet OEM standards for fit and function. The Specialty - Truck line is designed to provide consistent performance and durability. Warranty coverage details should be confirmed with the product documentation or manufacturer, as they may vary by application.