Raybestos 580900R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 580900R

The Raybestos R-Line Disc Brake Rotor 580900R is engineered for reliable braking performance on select Buick, Cadillac, and Chevrolet models. Designed as a solid, conventional rotor, it offers consistent stopping power for vehicles like the Buick Verano, Cadillac ELR, and Chevrolet Cruze.

• Solid disc brake rotor with smooth surface finish
• Nominal thickness of 0.470 inches (11.950 mm) and discard thickness of 0.390 inches (9.900 mm)
• Inside diameter measures 7.480 inches (190.000 mm)
• Outside diameter of 11.496 inches (292.000 mm)
• Five mounting bolt holes with a 4.528 inch (115.000 mm) bolt circle diameter
• Compatible with Buick Cascada, Cadillac ELR, Chevrolet Volt, and other models

Detailed Product Specifications

This Raybestos R-Line rotor (part number 580900R) is a solid, conventional disc brake rotor designed for specific GM vehicles. The rotor features a smooth surface type that supports even pad wear and consistent braking. Its nominal thickness of 0.470 inches (11.950 mm) ensures durability, while the discard thickness of 0.390 inches (9.900 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s inside diameter is 7.480 inches (190.000 mm), and the outside diameter is 11.496 inches (292.000 mm), fitting the brake assembly precisely. The five mounting bolt holes with a 4.528 inch (115.000 mm) bolt circle diameter provide secure attachment to the hub.

R-Line Product Line Information

The Raybestos R-Line is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This line is designed to provide consistent performance and fitment for a range of vehicles, including those from Buick, Cadillac, and Chevrolet. The R-Line rotors are engineered to maintain structural integrity and braking efficiency under normal driving conditions.

Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Cascada and Verano
• Restores braking performance on Cadillac ELR and Chevrolet Volt
• Addresses rotor thickness below manufacturer discard limits
• Eliminates brake pulsation caused by uneven rotor surfaces
• Prevents brake noise and vibration due to rotor wear

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surface to prevent rotor runout
• Torque mounting bolts to manufacturer specifications
• Inspect brake pads for wear and replace if necessary
• Perform a bed-in procedure after installation for optimal braking

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring reliable performance and fitment. While specific warranty details for part number 580900R should be confirmed with the retailer or manufacturer, Raybestos typically offers coverage against defects in materials and workmanship.