Raybestos 680344 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Truck Disc Brake Rotor

The Raybestos Specialty - Truck disc brake rotor, part number 680344, 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, drum-in-hat rotor offers reliable braking and durability.

• Compatible with Ford F-250 Super Duty and F-350 Super Duty models
• Vented disc brake rotor with drum-in-hat design
• Outside diameter: 13.380 inches (339.85 mm)
• Nominal thickness: 1.345 inches (34.15 mm)
• Discard thickness: 1.276 inches (32.4 mm)
• Overall height: 4.925 inches (125.1 mm)
• Mounting bolt hole quantity: 8 with 6.142 inch (156 mm) bolt circle diameter
• Center hole diameter: 5.044 inches (128.1 mm)

Detailed Product Description

This Raybestos disc brake rotor, part number 680344, is part of the Specialty - Truck product line, which focuses on components tailored for truck applications requiring enhanced durability and heat dissipation. The rotor features a vented design to improve cooling during heavy braking, reducing the risk of brake fade. The drum-in-hat configuration integrates a parking brake drum within the rotor, providing a compact and efficient solution for trucks like the Ford F-250 Super Duty and F-350 Super Duty.

With an outside diameter of 13.380 inches and a nominal thickness of 1.345 inches, this rotor maintains structural integrity under demanding conditions. The discard thickness of 1.276 inches indicates the minimum safe thickness before replacement is necessary, ensuring safety and performance. The rotor mounts with eight bolts on a 6.142-inch bolt circle diameter, matching the factory specifications for the intended Ford models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-250 Super Duty and F-350 Super Duty trucks
• Addresses brake fade caused by overheating during heavy towing or hauling
• Resolves issues with uneven braking or vibration due to rotor thickness variation
• Supports parking brake functionality with integrated drum-in-hat design
• Improves braking reliability in demanding truck applications

Installation Notes and Tips

• Verify compatibility with Ford F-250 Super Duty and F-350 Super Duty models before installation
• Check rotor thickness and discard limits to ensure safe replacement
• Clean mounting surfaces and inspect wheel studs for damage during installation
• Torque mounting bolts to manufacturer specifications to prevent rotor warping
• Inspect brake pads and hardware for wear when replacing rotors

Quality Assurance and Warranty

Raybestos Specialty - Truck rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The vented design and precise machining contribute to consistent braking performance and durability. While specific warranty details for part number 680344 should be confirmed with the supplier, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.