Raybestos 582039R Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Chevrolet and GMC Trucks

The Raybestos R-Line 582039R disc brake rotor is engineered for dependable braking performance on Chevrolet Canyon and GMC Colorado models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with Chevrolet Canyon and GMC Colorado vehicles
• Part number 582039R for precise identification
• Vented disc brake rotor design for improved cooling
• Overall height of 3.150 inches (80.000 mm) for proper fitment
• Mounting bolt hole quantity: 6 with 0.630 inch (16.000 mm) diameter
• Nominal thickness of 0.709 inches (18.000 mm) and discard thickness of 0.630 inches (16.000 mm)
• Outside diameter of 12.768 inches (324.300 mm) and inside diameter of 9.449 inches (240.000 mm)
• Smooth surface type for consistent pad contact
• Conventional rotor type suitable for drum-in-hat applications

About the Raybestos R-Line Brake Rotor

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet the demands of daily driving and moderate towing or hauling. The 582039R rotor is part of this line, offering a vented design that helps maintain optimal braking performance by reducing heat buildup. This rotor is engineered to fit specific Chevrolet and GMC truck models, ensuring proper fit and function without modification.

Technical Specifications and Features

This disc brake rotor features a vented design that enhances heat dissipation, reducing the risk of brake fade during extended use. The rotor's nominal thickness is 0.709 inches (18.000 mm), with a discard thickness of 0.630 inches (16.000 mm), indicating when replacement is necessary to maintain safe braking. The overall height measures 3.150 inches (80.000 mm), and the outside diameter is 12.768 inches (324.300 mm), matching OEM dimensions for Chevrolet Canyon and GMC Colorado models. The rotor includes six mounting bolt holes with a diameter of 0.630 inches (16.000 mm) arranged on a 4.724 inch (120.000 mm) bolt circle diameter, ensuring secure installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Improving heat dissipation to prevent brake fade during towing or heavy use
• Restoring smooth braking performance on Chevrolet Canyon and GMC Colorado trucks
• Ensuring proper rotor fitment for vehicles with 6-lug mounting patterns

Installation Notes and Tips

When installing the Raybestos R-Line 582039R rotor, ensure the rotor surface is clean and free of any rust or debris before mounting. Verify that the mounting bolt holes align correctly with the vehicle hub and that the rotor thickness meets or exceeds the nominal specification. It is recommended to replace brake pads simultaneously to ensure even wear and optimal braking performance. Always torque mounting bolts to manufacturer specifications to avoid rotor warping.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, providing consistent quality and durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. For detailed warranty information, consult Raybestos documentation or authorized distributors.