Raybestos 580387R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580387R

The Raybestos R-Line Disc Brake Rotor 580387R is engineered for reliable braking performance on select Buick, Cadillac, and Chevrolet models. Designed as a vented, conventional rotor, it offers consistent heat dissipation and durability for vehicles like the Buick LaCrosse and Chevrolet Impala.

• Vented disc brake rotor for improved cooling
• Overall height: 2.050 inches (52.050 mm)
• Outside diameter: 12.714 inches (322.950 mm)
• Mounting bolt hole quantity: 5 with 115 mm bolt circle diameter
• Nominal thickness: 1.187 inches (30.150 mm)
• Discard thickness: 1.126 inches (28.600 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Product Specifications

This Raybestos R-Line rotor, part number 580387R, features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The rotor measures 12.714 inches in outside diameter and has an overall height of 2.050 inches, ensuring proper fitment and clearance. It includes five mounting bolt holes arranged on a 115 mm bolt circle diameter, matching the specifications required for compatible Buick, Cadillac, and Chevrolet models. The nominal thickness of 1.187 inches provides a solid braking surface, while the discard thickness of 1.126 inches indicates the minimum safe thickness before replacement is necessary.

R-Line Product Line Information

The Raybestos R-Line series is designed to meet the demands of everyday driving with a focus on durability and consistent braking performance. This product line emphasizes quality materials and precise manufacturing tolerances, making the 580387R rotor a dependable choice for maintaining factory-level braking characteristics on vehicles such as the Cadillac DTS and Buick Lucerne.

Compatible Vehicles and Applications

This disc brake rotor is compatible with the following makes and models:

• Buick Allure, LaCrosse, Lucerne
• Cadillac DTS
• Chevrolet Impala, Impala Limited

It is suitable for drivers seeking to replace worn or damaged rotors on these specific vehicles, ensuring proper fit and function.

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped rotors
• Reduced braking efficiency due to worn rotor thickness
• Overheating and brake fade from insufficient heat dissipation
• Noise and vibration from uneven rotor surfaces
• Corrosion-related rotor damage affecting braking performance

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces to prevent rotor misalignment
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking
• Perform a bed-in procedure after installation to ensure proper rotor and pad contact

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number 580387R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship to support long-term use.