Raybestos 580373FZN Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Chevrolet, Pontiac, and Saturn

The Raybestos Element3; Coated Rotor 580373FZN is engineered to provide consistent braking performance for select Buick, Chevrolet, Pontiac, and Saturn models. Designed as a solid disc brake rotor, it meets precise specifications to ensure proper fit and function.

• Compatible with Buick Montana, Chevrolet Relay, Pontiac Montana, Saturn Relay, Terraza, and Uplander
• Part number 580373FZN for accurate identification
• Solid rotor design with 6 mounting bolt holes
• Nominal thickness of 0.472 inches (12.000 mm) and discard thickness of 0.413 inches (10.500 mm)
• Overall height of 1.370 inches (34.800 mm) and outside diameter of 11.815 inches (300.100 mm)
• Center hole diameter of 2.782 inches (70.650 mm) and mounting bolt hole circle diameter of 4.528 inches (115.000 mm)

About the Raybestos Element3; Coated Rotor Line

The Element3; Coated Rotor line from Raybestos focuses on providing rotors with a protective coating to resist corrosion and extend service life. This coating helps maintain rotor integrity and appearance over time, making it suitable for vehicles like the Buick Montana and Chevrolet Relay that require durable braking components. The 580373FZN rotor is a conventional solid type, designed for reliable stopping power without vented rotor complexity.

Technical Specifications and Features

This disc brake rotor features a solid construction with six mounting bolt holes, ensuring secure attachment to the hub assembly. The nominal thickness of 0.472 inches (12.000 mm) provides a robust braking surface, while the discard thickness of 0.413 inches (10.500 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s overall height of 1.370 inches (34.800 mm) and outside diameter of 11.815 inches (300.100 mm) are engineered to match factory specifications for proper fitment on compatible vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Montana and Chevrolet Relay models
• Addressing brake pulsation or vibration issues caused by uneven rotor surfaces
• Resolving noise problems such as squealing or grinding due to rotor wear
• Improving braking consistency and pedal feel on Pontiac Montana and Saturn Terraza
• Restoring proper rotor thickness to maintain safe braking performance on Saturn Uplander

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Inspect hub and mounting surfaces for cleanliness and damage prior to rotor installation
• Torque mounting bolts to manufacturer specifications to ensure secure fit
• Replace brake pads simultaneously to optimize rotor performance and longevity
• Check rotor thickness regularly and replace when reaching discard thickness of 0.413 inches (10.500 mm)

Quality Assurance and Warranty

Raybestos rotors, including the Element3; Coated Rotor 580373FZN, are manufactured to meet or exceed OEM standards for durability and performance. The protective coating helps resist rust and corrosion, contributing to longer service life. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.