Raybestos 780020R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 780020R

The Raybestos R-Line 780020R disc brake rotor is engineered for Dodge Ram 2500 and Ram 3500 models, providing reliable braking performance. This vented, drum-in-hat rotor is designed to meet the specific demands of heavy-duty trucks, ensuring consistent stopping power under load.

• Compatible with Dodge Ram 2500 and Ram 3500
• Vented disc brake rotor with drum-in-hat design
• Overall height: 5.150 inches (130.8 mm)
• Outside diameter: 12.730 inches (323.35 mm)
• Mounting bolt hole quantity: 8 with 0.682 inch diameter
• Center hole diameter: 4.840 inches (122.95 mm)
• Nominal thickness: 1.185 inches (30.1 mm); discard thickness: 1.118 inches (28.4 mm)

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components tailored for heavy-duty applications. This product line emphasizes precise fitment and durability, making it suitable for demanding vehicles like the Dodge Ram 2500 and Ram 3500. The 780020R rotor exemplifies the R-Line’s commitment to quality and performance in disc brake rotors with integrated drum-in-hat functionality.

Technical Specifications and Features

The 780020R rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. Its drum-in-hat configuration allows integration of the parking brake drum within the rotor, streamlining installation and maintenance. The rotor’s 8 mounting bolt holes and stud/lug hole quantity ensure secure attachment to the vehicle hub. With a nominal thickness of 1.185 inches and a discard thickness of 1.118 inches, this rotor maintains safety margins for wear and replacement.

Applications and Problem Solving

• Replacement for worn or warped rotors on Dodge Ram 2500 and Ram 3500
• 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 under heavy-duty driving conditions

Installation Notes and Tips

Ensure the rotor mounting surface and hub are clean and free of debris before installation. Verify the rotor thickness is above the discard thickness of 1.118 inches to maintain safety standards. Use proper torque specifications for the 8 mounting bolts to avoid rotor warping. The drum-in-hat design requires compatible parking brake shoes; confirm fitment with your vehicle’s brake system. It is recommended to replace brake pads simultaneously for optimal braking performance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 780020R rotor undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Raybestos directly for warranty terms.