Raybestos 66476 Disc Brake Rotor - Front

Raybestos Specialty - Truck Disc Brake Rotor Overview

The Raybestos Specialty - Truck disc brake rotor, part number 66476, is engineered for reliable braking performance on select Ford trucks. Designed specifically for Ford F-250, F-250 HD, F-350, and Ranger models, this vented rotor meets precise specifications to ensure proper fit and function.

• Vented disc brake rotor for improved heat dissipation
• Compatible with Ford F-250, F-250 HD, F-350, and Ranger
• Overall height: 3.100 inches (78.750 mm)
• Outside diameter: 12.950 inches (328.950 mm)
• Mounting bolt hole quantity: 8 with 6.500 inch (165.100 mm) bolt circle diameter
• Center hole diameter: 5.130 inches (130.300 mm)
• Nominal thickness: 1.185 inches (30.100 mm); discard thickness: 1.122 inches (28.500 mm)
• Conventional rotor type with 8 stud/lug holes

Detailed Product Specifications

This Raybestos disc brake rotor is part of the Specialty - Truck product line, which focuses on heavy-duty applications for trucks requiring durable and precise braking components. The rotor features a vented design to enhance cooling during braking, reducing the risk of brake fade under heavy loads. With an outside diameter of 12.950 inches and an overall height of 3.100 inches, it is engineered to fit the brake systems of Ford F-250, F-250 HD, F-350, and Ranger models. The rotor’s nominal thickness of 1.185 inches ensures structural integrity, while the discard thickness of 1.122 inches indicates the minimum safe thickness before replacement is necessary. The 8 mounting bolt holes and 8 stud/lug holes with a 6.500 inch bolt circle diameter provide secure installation and compatibility with the specified Ford trucks.

Applications and Problem Solving

• Replacement rotor for worn or warped brake rotors on Ford F-250, F-250 HD, F-350, and Ranger
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Improves braking performance and heat dissipation in heavy-duty truck use
• Restores proper rotor thickness to maintain safe braking distances
• Compatible with conventional drum-in-hat brake systems

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your vehicle before installation
• Inspect brake pads and hardware for wear during rotor replacement
• Ensure mounting surfaces are clean and free of debris for proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Check rotor thickness regularly to monitor discard limits

Quality Assurance and Warranty

Raybestos Specialty - Truck rotors are manufactured to meet strict quality standards for durability and performance. This part number 66476 undergoes rigorous testing to ensure it meets OEM specifications for fit and function on compatible Ford trucks. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.