Raybestos 681778 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Truck Disc Brake Rotor 681778

The Raybestos Specialty - Truck disc brake rotor 681778 is engineered for heavy-duty performance on Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to meet the demands of truck applications, this vented rotor ensures reliable braking under load and extended use.

• Compatible with Ford F-250 Super Duty and F-350 Super Duty models
• Part number 681778 for precise identification
• Vented disc brake rotor with smooth surface finish
• Conventional (drum-in-hat) rotor design
• Eight mounting bolt holes with 170.15 mm bolt circle diameter
• Nominal thickness of 38.05 mm and discard thickness of 36.4 mm
• Outside diameter of 363 mm and inside diameter of 230.85 mm
• Overall height of 115.75 mm

Detailed Product Description and Specifications

This Raybestos disc brake rotor, part number 681778, is part of the Specialty - Truck product line, which focuses on components tailored for truck applications requiring durability and consistent braking performance. The rotor features a vented design that helps dissipate heat more effectively during heavy braking, reducing the risk of brake fade. Its smooth surface type ensures even pad contact and wear. The conventional drum-in-hat style rotor is designed for compatibility with specific Ford Super Duty models, providing a direct replacement that meets OEM specifications.

Key dimensions include an outside diameter of 363 mm and an inside diameter of 230.85 mm, with an overall height of 115.75 mm. The rotor thickness is critical for safe operation, with a nominal thickness of 38.05 mm and a discard thickness of 36.4 mm, indicating when the rotor should be replaced to maintain braking efficiency. The rotor mounts using eight bolt holes arranged on a 170.15 mm bolt circle diameter, ensuring secure installation.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-250 Super Duty and F-350 Super Duty trucks
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps restore proper braking performance and pedal feel
• Prevents brake fade during heavy-duty or towing applications
• Suitable for trucks experiencing rotor thickness below safe limits

Installation Notes and Tips

• Verify compatibility with Ford F-250 Super Duty and F-350 Super Duty before installation
• Inspect mounting hardware and replace if worn or damaged
• Ensure rotor surface is clean and free of contaminants before mounting
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary to ensure optimal rotor performance

Quality Assurance and Warranty

Raybestos Specialty - Truck rotors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 681778 should be confirmed with the supplier, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Proper installation and maintenance are essential to maximize the service life of this disc brake rotor.