Raybestos 580442 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Truck Disc Brake Rotor 580442

The Raybestos Specialty - Truck disc brake rotor 580442 is engineered for reliable braking performance on Chevrolet Astro and GMC Safari models. Designed with precise dimensions and vented construction, this rotor supports consistent heat dissipation and durability under demanding driving conditions.

• Vented disc brake rotor for improved heat management
• Overall height: 3.273 inches (83.150 mm)
• Outside diameter: 11.610 inches (294.900 mm)
• Nominal thickness: 1.285 inches (32.650 mm)
• Discard thickness: 1.215 inches (30.850 mm)
• 5 mounting bolt holes with 5.000 inch (127.000 mm) bolt circle diameter
• Conventional rotor type with 5 stud/lug holes

Detailed Product Specifications and Features

This Raybestos disc brake rotor, part number 580442, is a vented rotor designed to fit Chevrolet Astro and GMC Safari vehicles. The vented design enhances cooling efficiency by allowing air to flow between the rotor surfaces, reducing the risk of brake fade during extended use. The rotor measures 11.610 inches in outside diameter and has an overall height of 3.273 inches, ensuring compatibility with the specified truck models. The nominal thickness of 1.285 inches provides a solid braking surface, while the discard thickness of 1.215 inches indicates the minimum safe thickness before replacement is necessary. The rotor features five mounting bolt holes arranged on a 5.000 inch bolt circle diameter, matching the factory specifications for secure installation.

Raybestos Specialty - Truck Product Line

The Specialty - Truck line from Raybestos focuses on heavy-duty brake components tailored for truck applications. This product line emphasizes durability and performance under the increased demands of truck use, including higher load capacities and frequent braking cycles. The 580442 rotor exemplifies this focus by combining vented rotor technology with precise fitment for Chevrolet Astro and GMC Safari trucks, supporting reliable braking in commercial and personal truck operations.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor overheating
• Resolving noise issues related to uneven rotor surfaces
• Upgrading from drum brakes to disc brakes on compatible models
• Maintaining proper rotor thickness to ensure safe braking performance

Installation Notes and Tips

When installing the Raybestos 580442 disc brake rotor, ensure the mounting surface is clean and free of debris to prevent rotor misalignment. Verify that the rotor thickness meets or exceeds the discard thickness specification of 1.215 inches before installation. Use the correct torque specifications for the 5 mounting bolts to secure the rotor properly. It is recommended to inspect brake pads and hardware during rotor replacement to maintain optimal braking system performance.

Quality Assurance and Warranty

Raybestos manufactures the 580442 rotor to meet or exceed OEM standards for fit, form, and function. The Specialty - Truck line undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Raybestos typically offers coverage against defects in materials and workmanship, supporting long-term reliability for Chevrolet Astro and GMC Safari owners.