Raybestos 780869PER Disc Brake Rotor - Rear

Overview of Raybestos Disc Brake Rotor 780869PER

The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 780869PER is engineered for reliable braking performance on Dodge Durango and Jeep Grand Cherokee models. Designed with precise specifications, this rotor supports consistent stopping power and durability for street-driven vehicles.

• Compatible with Dodge Durango, Jeep Grand Cherokee, and Grand Cherokee WK
• Drum-in-hat rotor design for integrated parking brake functionality
• Nominal thickness of 0.870 inches (22.100 mm) ensuring structural integrity
• Discard thickness at 0.810 inches (20.550 mm) for safe replacement guidelines
• Mounting bolt hole circle diameter of 5.000 inches (127.000 mm) for exact fitment

Specialty - Street Performance; S-Groove Technology Product Line

This rotor is part of the Raybestos Specialty - Street Performance; S-Groove Technology line, which focuses on delivering enhanced braking performance for street applications. The S-Groove design helps reduce brake fade and improve pad bite, making it suitable for drivers seeking dependable stopping power under typical street driving conditions. This product line balances performance and durability tailored to the demands of Dodge Durango and Jeep Grand Cherokee vehicles.

Technical Details and Specifications

The Raybestos 780869PER disc brake rotor features a drum-in-hat design, integrating the parking brake drum within the rotor hat for a compact and efficient assembly. The nominal thickness of 0.870 inches (22.100 mm) provides a robust braking surface, while the discard thickness of 0.810 inches (20.550 mm) indicates the minimum safe thickness before replacement is necessary. The mounting bolt hole circle diameter and bolt hole diameter both measure 5.000 inches (127.000 mm), ensuring precise alignment and fitment on compatible vehicles.

Applications and Problem Solving

• Replacement rotor for worn or warped brake rotors on Dodge Durango and Jeep Grand Cherokee
• Addresses brake fade and inconsistent stopping power during street driving
• Restores proper parking brake function with integrated drum-in-hat design
• Prevents rotor thickness below safe limits to maintain braking efficiency
• Ensures correct fitment with exact mounting bolt hole specifications

Installation Notes and Tips

When installing the Raybestos 780869PER rotor, verify the rotor thickness before and after installation to ensure it meets the nominal thickness specifications. Properly torque mounting bolts to manufacturer specifications to avoid rotor warping. The drum-in-hat design requires attention to parking brake components during installation to maintain full functionality. It is recommended to inspect brake pads and hardware concurrently for optimal braking system performance.

Quality Assurance and Warranty

Raybestos disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 780869PER rotor undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty information is available through Raybestos and typically covers defects in materials and workmanship under normal use conditions.