Raybestos 56851FZN Disc Brake Rotor - Rear

Overview of Raybestos Element3 Coated Disc Brake Rotor

The Raybestos Element3; Coated Rotor 56851FZN is engineered for reliable braking performance on select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed as a solid disc brake rotor, it offers precise fitment and durability for vehicles such as the Allante, Aurora, Bonneville, DeVille, Eldorado, LeSabre, Park Avenue, Riviera, Seville, and Toronado.

• Solid disc brake rotor with a conventional design
• Overall height: 1.520 inches (38.600 mm)
• Outside diameter: 11.060 inches (280.900 mm)
• Nominal thickness: 0.435 inches (11.050 mm)
• Discard thickness: 0.354 inches (9.000 mm)
• Five mounting bolt holes with 118.000 mm bolt circle diameter
• Center hole diameter: 2.785 inches (70.750 mm)
• Compatible with multiple GM luxury and performance models

Product Line Details: Element3; Coated Rotor

The Element3; Coated Rotor line by Raybestos features rotors with a protective coating designed to resist corrosion and extend service life. This coating helps maintain rotor integrity and appearance over time, making it suitable for vehicles that require consistent braking performance under various driving conditions. The 56851FZN rotor benefits from this coating, ensuring durability and reliable operation on compatible Buick, Cadillac, Oldsmobile, and Pontiac models.

Technical Specifications and Fitment

This Raybestos disc brake rotor is a solid, conventional type with a nominal thickness of 0.435 inches and a discard thickness of 0.354 inches, indicating when replacement is necessary. The rotor measures 11.060 inches in outside diameter and has an overall height of 1.520 inches. It features five mounting bolt holes arranged on a 118.000 mm bolt circle diameter, with a center hole diameter of 2.785 inches, ensuring precise fitment on specified GM vehicles. The rotor is designed for use on models including the Buick Allante and LeSabre, Cadillac DeVille and Seville, Oldsmobile Aurora, and Pontiac Bonneville and Riviera.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor corrosion and surface rust affecting braking efficiency
• Resolving noise issues such as squealing or grinding during braking
• Improving brake pedal feel and stopping power on luxury GM vehicles
• Maintaining proper rotor thickness to ensure safe braking performance

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match vehicle specifications before installation
• Inspect brake pads and hardware for wear and replace if necessary during rotor replacement
• Clean mounting surfaces to ensure proper rotor seating and prevent runout
• Torque mounting bolts to manufacturer specifications to avoid rotor damage
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos manufactures the Element3; Coated Rotor 56851FZN to meet or exceed OEM standards for fit, form, and function. The protective coating enhances corrosion resistance, contributing to longer rotor life. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.