Raybestos 980780 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Truck Disc Brake Rotor 980780

The Raybestos Specialty - Truck Disc Brake Rotor 980780 is engineered for reliable braking performance on select Lexus and Toyota trucks. Designed specifically for models like the Lexus GX460, Toyota 4Runner, and FJ Cruiser, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.

• Vented disc brake rotor with drum-in-hat design
• Nominal thickness of 0.707 inches (17.950 mm) and discard thickness of 0.630 inches (16.000 mm)
• Overall height of 2.680 inches (68.050 mm)
• Outside diameter measuring 12.285 inches (312.050 mm)
• Six mounting bolt holes with a bolt circle diameter of 5.500 inches (139.700 mm)
• Smooth surface type for consistent pad contact
• Center hole diameter of 4.254 inches (108.050 mm)

Detailed Product Description

This Raybestos disc brake rotor, part number 980780, is part of the Specialty - Truck product line, which focuses on heavy-duty and truck-specific braking components. The rotor features a vented design that improves airflow to reduce heat buildup during braking, helping to maintain performance and reduce the risk of brake fade. The drum-in-hat configuration integrates a parking brake drum within the rotor, making it suitable for vehicles equipped with drum parking brakes. With precise dimensions including a 12.285-inch outside diameter and a 2.680-inch overall height, this rotor is engineered to meet the exact specifications required for Lexus GX460, Toyota 4Runner, and FJ Cruiser models.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Lexus GX460, Toyota 4Runner, and FJ Cruiser
• Addresses overheating issues by improving heat dissipation with vented design
• Compatible with vehicles requiring a drum-in-hat rotor for integrated parking brake function
• Helps eliminate noise and vibration related to rotor surface wear

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 0.630 inches (16.000 mm) before installation. Properly clean the rotor surface to remove any protective coatings or debris. Verify the six mounting bolt holes align with the vehicle’s hub using the 5.500-inch bolt circle diameter. It is recommended to inspect brake pads and hardware during rotor replacement to maintain optimal braking performance.

Quality Assurance and Warranty

Raybestos Specialty - Truck rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 980780 rotor undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty details should be confirmed with the product documentation or manufacturer.