Raybestos 580746R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580746R

The Raybestos R-Line Disc Brake Rotor 580746R is engineered for reliable braking performance on select Buick, Chevrolet, GMC, and Saab vehicles. Designed as a vented, conventional rotor, it offers consistent heat dissipation and durability for models like the Chevrolet Camaro, Buick LaCrosse, and GMC Terrain.

• Part Number: 580746R
• Brand Line: Raybestos R-Line
• Type: Vented Conventional Disc Brake Rotor
• Outside Diameter: 12.638 inches (321.000 mm)
• Nominal Thickness: 1.181 inches (30.000 mm)
• Discard Thickness: 1.063 inches (27.000 mm)
• Overall Height: 2.008 inches (51.000 mm)
• Inside Diameter: 7.500 inches (190.500 mm)
• Mounting Bolt Hole Quantity: 5
• Mounting Bolt Hole Circle Diameter: 4.724 inches (120.000 mm)
• Surface Type: Smooth

Detailed Product Specifications

This Raybestos R-Line rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade under demanding conditions. The rotor’s nominal thickness of 1.181 inches (30.000 mm) ensures structural integrity and longevity, while the discard thickness of 1.063 inches (27.000 mm) provides a clear wear limit for safe replacement. The overall height of 2.008 inches (51.000 mm) and an outside diameter of 12.638 inches (321.000 mm) are optimized for the specified vehicle applications.

The rotor includes five mounting bolt holes with a circle diameter of 4.724 inches (120.000 mm), compatible with the lug pattern on Buick, Chevrolet, GMC, and Saab models such as the Chevrolet Impala, Buick Regal, and Saab 9-5. The smooth surface type supports consistent pad contact and braking performance.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. This line emphasizes durability and consistent performance, making it suitable for drivers who require dependable braking on vehicles like the Chevrolet Malibu Limited and GMC Terrain. The 580746R rotor exemplifies the R-Line’s balance of quality materials and precise engineering.

Applications and Problem Solving

• Compatible with Buick, Chevrolet, GMC, and Saab models including 9-5, Allure, Camaro, Corvette, Equinox, Impala, LaCrosse, Malibu, Malibu Limited, Regal, and Terrain
• Addresses brake rotor wear and thickness reduction beyond discard limits
• Helps reduce brake fade caused by overheating through vented rotor design
• Resolves issues with uneven rotor surface and vibration during braking
• Supports replacement for rotors with damaged or warped surfaces

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.063 inches) before installation
• Verify mounting bolt hole pattern matches vehicle specifications (5 holes, 4.724 inch circle diameter)
• Clean rotor surface and hub mounting area to prevent uneven contact
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Inspect brake pads and replace if worn to maintain optimal braking performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 580746R should be confirmed with the point of purchase, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is engineered to provide reliable braking for the specified Buick, Chevrolet, GMC, and Saab models when installed and maintained according to manufacturer guidelines.