Raybestos 580403R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580403R

The Raybestos R-Line Disc Brake Rotor 580403R is engineered for reliable braking performance on select Buick and Chevrolet models. Designed specifically for vehicles like the Buick Lucerne and Chevrolet Impala, this vented rotor ensures consistent heat dissipation and durability under demanding driving conditions.

• Vented disc brake rotor for improved cooling
• Nominal thickness of 1.181 inches (30.000 mm)
• Discard thickness at 1.126 inches (28.600 mm)
• Overall height of 2.045 inches (51.950 mm)
• Outside diameter measuring 11.928 inches (302.950 mm)
• Five mounting bolt holes with a 4.528 inch (115.000 mm) bolt circle diameter
• Conventional rotor design compatible with drum-in-hat systems

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable braking components tailored for specific vehicle applications. This product line emphasizes precision manufacturing and material quality to meet the demands of everyday driving. The 580403R rotor exemplifies the R-Line’s commitment to fitment accuracy and consistent performance for Buick and Chevrolet models.

Technical Specifications and Features

The 580403R rotor features a vented design that enhances heat dissipation, reducing the risk of brake fade during extended use. Its nominal thickness of 1.181 inches (30.000 mm) provides a solid braking surface, while the discard thickness of 1.126 inches (28.600 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s overall height of 2.045 inches (51.950 mm) and outside diameter of 11.928 inches (302.950 mm) ensure proper fitment and compatibility with the specified vehicles. The five mounting bolt holes arranged on a 4.528 inch (115.000 mm) bolt circle diameter align with the factory specifications for models such as the Chevrolet Monte Carlo and Buick Lucerne.

Compatible Vehicles and Applications

• Buick Lucerne
• Chevrolet Impala
• Chevrolet Impala Limited
• Chevrolet Monte Carlo

This rotor is designed to replace worn or damaged rotors on these vehicles, restoring braking efficiency and safety.

Common Issues Addressed by This Rotor

• Brake rotor warping causing vibration during braking
• Reduced braking performance due to worn rotor thickness
• Overheating and brake fade from insufficient heat dissipation
• Uneven rotor wear leading to noise and pulsation
• Corrosion and surface damage affecting rotor integrity

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard thickness of 1.126 inches (28.600 mm) to maintain safety standards. Use proper torque specifications for the five mounting bolts on the 4.528 inch (115.000 mm) bolt circle diameter. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor lifespan.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 580403R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship.