Raybestos 780289R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 780289R

The Raybestos R-Line Disc Brake Rotor 780289R is engineered for reliable braking performance on Jeep Commander and Grand Cherokee models. Designed as a vented, conventional rotor, it offers consistent heat dissipation and durability for demanding driving conditions.

• Vented disc brake rotor for improved cooling
• Overall height: 2.085 inches (52.950 mm)
• Outside diameter: 12.915 inches (328.050 mm)
• Nominal thickness: 1.181 inches (30.000 mm)
• Discard thickness: 1.122 inches (28.500 mm)
• Mounting bolt hole quantity: 5 with 5.000 inch bolt hole diameter
• Center hole diameter: 2.835 inches (72.000 mm)
• Conventional rotor type compatible with Jeep Commander and Grand Cherokee

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable braking components that meet or exceed OEM specifications. This product line emphasizes quality materials and precise manufacturing to ensure consistent rotor thickness and proper fitment. The 780289R rotor benefits from this approach, providing a balance of performance and longevity for Jeep vehicles.

Technical Description and Specifications

This disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The nominal thickness of 1.181 inches (30.000 mm) ensures structural integrity, while the discard thickness of 1.122 inches (28.500 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s overall height of 2.085 inches (52.950 mm) and outside diameter of 12.915 inches (328.050 mm) are engineered to match the braking system requirements of Jeep Commander and Grand Cherokee models. The 5 mounting bolt holes with a 5.000 inch diameter and a center hole diameter of 2.835 inches (72.000 mm) provide secure and precise installation.

Compatible Vehicles and Common Applications

• Replacement rotor for Jeep Commander brake systems
• Suitable for Jeep Grand Cherokee disc brake assemblies
• Addresses issues such as rotor warping and uneven brake pad wear
• Helps resolve brake noise caused by worn or damaged rotors
• Restores braking efficiency and pedal feel in affected vehicles

Installation Notes and Tips

When installing the Raybestos R-Line 780289R rotor, ensure the rotor surface is clean and free of debris before mounting. Verify that the mounting bolt holes align correctly with the vehicle hub. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Proper torque specifications should be followed for mounting bolts to avoid rotor distortion.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent thickness and material integrity. While specific warranty details for part number 780289R should be confirmed with the supplier, Raybestos typically offers coverage against manufacturing defects. This rotor is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.