Raybestos 56579 Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos Specialty - Truck Disc Brake Rotor and Hub Assembly

The Raybestos Specialty - Truck Disc Brake Rotor and Hub Assembly (Part Number 56579) is engineered for reliable braking performance on heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Chevrolet C2500, Express 2500, and GMC Savana 2500, this assembly ensures proper fitment and durability under demanding conditions.

• Nominal thickness: 1.285 inches (32.650 mm)
• Discard thickness: 1.215 inches (30.850 mm)
• Mounting bolt hole quantity: 6
• Mounting bolt hole circle diameter: 5.500 inches (139.700 mm)
• Mounting bolt hole diameter: 0.603 inches (15.300 mm)
• Stud/lug hole quantity: 6

Detailed Product Specifications

This disc brake rotor and hub assembly features a nominal thickness of 1.285 inches (32.650 mm), providing a solid braking surface for consistent stopping power. The discard thickness is set at 1.215 inches (30.850 mm), indicating the minimum safe thickness before replacement is necessary. The assembly includes six mounting bolt holes arranged on a 5.500-inch (139.700 mm) bolt circle diameter, with each hole measuring 0.603 inches (15.300 mm) in diameter. Additionally, it accommodates six stud or lug holes, ensuring compatibility with the specified Chevrolet and GMC truck models.

Raybestos Specialty - Truck Product Line

The Specialty - Truck line by Raybestos focuses on components designed for heavy-duty truck applications. This product line addresses the specific demands of truck braking systems, offering parts that meet the rigorous standards required for commercial and utility vehicles. The 56579 disc brake rotor and hub assembly is part of this line, providing a tailored solution for Chevrolet and GMC trucks that require robust and precise brake components.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet C2500, Express 2500, and GMC Savana 2500
• Restores proper brake rotor thickness to maintain safe braking performance
• Addresses issues related to uneven brake wear or vibration during braking
• Ensures correct fitment with six mounting bolts and lug holes for secure installation
• Helps prevent brake noise caused by damaged or undersized rotors

Installation Notes and Tips

When installing the Raybestos 56579 disc brake rotor and hub assembly, verify that the mounting bolt holes and stud/lug holes align correctly with the vehicle hub. Measure rotor thickness before installation to ensure it meets or exceeds the nominal thickness of 1.285 inches. Replace the rotor if thickness is below the discard limit of 1.215 inches. Use proper torque specifications for mounting bolts to avoid warping or loosening during operation.

Quality Assurance and Warranty

Raybestos products undergo rigorous quality control to meet industry standards for durability and performance. The Specialty - Truck disc brake rotor and hub assembly is manufactured to precise specifications to ensure reliable braking on Chevrolet and GMC trucks. Warranty coverage details should be confirmed with the product documentation or supplier.