Raybestos 680977R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 680977R

The Raybestos R-Line Disc Brake Rotor 680977R is engineered for reliable braking performance on Ford F-150 trucks. Designed as a vented, drum-in-hat rotor, it offers precise fitment and durability for your vehicle's braking system.

• Compatible with Ford F-150 models
• Part number 680977R ensures exact replacement
• Vented rotor design for improved heat dissipation
• Drum-in-hat type rotor with integrated parking brake drum
• Seven mounting bolt holes for secure installation
• Smooth surface type for consistent brake pad contact
• Nominal thickness of 0.984 inches (25.000 mm) with discard thickness at 0.906 inches (23.000 mm)
• Outside diameter measures 13.705 inches (348.100 mm)
• Inside diameter of 10.181 inches (258.600 mm)
• Overall height of 3.142 inches (79.800 mm)

Detailed Product Description

This Raybestos R-Line disc brake rotor, part number 680977R, is specifically designed for the Ford F-150, providing a direct fit replacement that meets OEM specifications. The rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under heavy use. The drum-in-hat configuration integrates a parking brake drum, eliminating the need for a separate component and simplifying installation. With seven mounting bolt holes and a mounting bolt hole circle diameter of 5.906 inches (150.000 mm), this rotor ensures a secure and precise fit. The smooth surface type promotes even brake pad wear and consistent stopping power. Thickness specifications include a nominal thickness of 0.984 inches (25.000 mm) and a discard thickness of 0.906 inches (23.000 mm), indicating when the rotor should be replaced to maintain safe braking performance.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components for a range of vehicles. This line emphasizes precise fitment and consistent performance, making it suitable for professional repairs and maintenance. The 680977R rotor exemplifies the R-Line's commitment to quality by combining durable materials with design features like vented construction and drum-in-hat integration, tailored for the Ford F-150.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake vibration
• Upgrading from solid to vented rotors for better heat management
• Resolving brake noise due to uneven rotor surfaces
• Addressing reduced braking efficiency from rotor thickness below discard limits
• Fixing parking brake issues related to integrated drum wear

Installation Notes and Tips

• Verify compatibility with your specific Ford F-150 model year before installation
• Inspect mounting bolt holes and hub surface for debris or damage
• Measure rotor thickness to ensure it meets minimum discard thickness before installation
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Consider replacing brake pads simultaneously for optimal braking performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, ensuring consistent performance and durability. While specific warranty details for part number 680977R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. Proper installation and maintenance are essential to maximize the service life of this rotor.