Raybestos 780421FZN Disc Brake Rotor - Front

Overview of Raybestos Element3 Coated Rotor 780421FZN

The Raybestos Element3; Coated Rotor 780421FZN is engineered for reliable braking performance on Jeep Grand Cherokee models. This vented disc brake rotor is designed to meet precise specifications, ensuring compatibility and durability for your vehicle's braking system.

• Compatible with Jeep Grand Cherokee
• Vented disc brake rotor design for improved heat dissipation
• Nominal thickness of 1.260 inches (32.000 mm)
• Discard thickness at 1.252 inches (31.800 mm)
• Overall height of 2.083 inches (52.900 mm)
• Outside diameter measuring 14.169 inches (359.900 mm)
• Five mounting bolt holes with a 5.000 inch (127.000 mm) bolt circle diameter
• Center hole diameter of 2.835 inches (72.000 mm)
• Conventional rotor type with drum-in-hat compatibility

Detailed Product Description

This Raybestos disc brake rotor, part number 780421FZN, is specifically designed for Jeep Grand Cherokee vehicles requiring a vented rotor to maintain optimal braking efficiency. The vented design helps dissipate heat generated during braking, reducing the risk of brake fade and maintaining consistent stopping power. With a nominal thickness of 1.260 inches and a discard thickness of 1.252 inches, this rotor provides a clear service life indicator to ensure timely replacement. The rotor's overall height of 2.083 inches and outside diameter of 14.169 inches align with factory specifications for proper fitment and performance. Featuring five mounting bolt holes on a 5.000 inch bolt circle diameter, it ensures secure installation on compatible Jeep Grand Cherokee models.

About the Element3; Coated Rotor Product Line

The Element3; Coated Rotor line from Raybestos offers rotors with a protective coating designed to resist corrosion and extend rotor life. This coating helps maintain rotor integrity in various driving conditions, including exposure to moisture and road salts. The 780421FZN rotor benefits from this coating, providing enhanced durability while maintaining the performance standards expected from Raybestos.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Jeep Grand Cherokee
• Addresses brake noise caused by uneven rotor surfaces
• Improves braking performance by restoring proper rotor thickness
• Helps reduce brake fade through vented rotor design
• Prevents corrosion-related rotor damage with protective coating

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces to prevent uneven rotor seating
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Perform a bed-in procedure after installation to ensure proper rotor and pad contact

Quality Assurance and Warranty

Raybestos rotors, including the Element3; Coated Rotor 780421FZN, are manufactured to meet or exceed OEM standards. The protective coating enhances corrosion resistance, contributing to longer service life. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.