Raybestos 56140FZN Disc Brake Rotor - Front

Reliable Vented Disc Brake Rotor for Select GM Vehicles

The Raybestos Element3; Coated Rotor 56140FZN is engineered to provide consistent braking performance for various Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed as a vented disc brake rotor, it offers effective heat dissipation and durability for vehicles like the Chevrolet Cavalier and Pontiac Grand Am.

• Vented rotor design for improved heat management
• Coated surface to resist rust and corrosion
• Nominal thickness of 0.800 inches (20.3 mm) with discard thickness at 0.736 inches (18.7 mm)
• Overall height of 1.885 inches (47.9 mm)
• Outside diameter of 10.200 inches (259.1 mm)
• Five mounting bolt holes with a 100 mm (3.937 inch) bolt circle diameter
• Center hole diameter of 2.300 inches (58.4 mm)
• Conventional rotor type compatible with drum-in-hat setups

About the Raybestos Element3; Coated Rotor Line

The Element3; Coated Rotor line from Raybestos focuses on delivering rotors with a protective coating that helps prevent rust and corrosion, extending the rotor's service life. This coating is especially beneficial for vehicles exposed to moisture and road salt. The 56140FZN rotor maintains precise thickness specifications and a vented design to ensure reliable braking performance and heat dissipation for compatible GM models.

Technical Specifications and Compatibility

This disc brake rotor features a nominal thickness of 0.800 inches (20.3 mm) and a discard thickness of 0.736 inches (18.7 mm), ensuring it meets safety and performance standards. The vented design aids in heat dissipation during braking, reducing the risk of brake fade. With an overall height of 1.885 inches (47.9 mm) and an outside diameter of 10.200 inches (259.1 mm), it fits vehicles requiring a conventional rotor with a drum-in-hat configuration. The rotor includes five mounting bolt holes arranged on a 100 mm (3.937 inch) bolt circle diameter and a center hole diameter of 2.300 inches (58.4 mm).

Compatible Vehicles

• Buick Achieva
• Chevrolet Cavalier
• Chevrolet Corsica
• Oldsmobile Cutlass Calais
• Pontiac Grand Am
• Buick Skylark
• Pontiac Sunbird
• Pontiac Sunfire

Common Issues Addressed by This Rotor

• Brake rotor warping due to heat buildup
• Corrosion and rust on rotor surfaces
• Uneven brake pad wear caused by rotor thickness variations
• Brake noise and vibration from worn or damaged rotors
• Reduced braking efficiency in vented rotor applications

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 0.736 inches (18.7 mm) before installation. Clean the mounting surface and hub to prevent runout and ensure proper fitment. Use the correct torque specifications for the five mounting bolts on the 100 mm bolt circle. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance.

Quality Assurance and Warranty

Raybestos rotors, including the Element3; Coated Rotor 56140FZN, are manufactured to meet or exceed OEM specifications. The protective coating helps extend rotor life by reducing corrosion. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship.