Raybestos 580839R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580839R

The Raybestos R-Line Disc Brake Rotor 580839R is engineered for reliable braking performance on select Buick, Chevrolet, and Saab vehicles. Designed as a vented rotor with smooth surfaces, it offers consistent heat dissipation and braking efficiency for models like the Buick LaCrosse, Chevrolet Malibu, and Saab 9-5.

• Vented disc brake rotor with smooth surface finish
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.063 inches (27.000 mm)
• Overall height of 2.012 inches (51.100 mm)
• Outside diameter measures 11.654 inches (296.000 mm)
• Five mounting bolt holes with a 4.724 inch (120.000 mm) bolt circle diameter
• Center hole diameter of 2.654 inches (67.400 mm)
• Compatible with 5 stud/lug hole configurations

Detailed Product Specifications

This Raybestos R-Line rotor (part number 580839R) is a conventional vented disc brake rotor designed to meet the exacting standards required for proper fit and function on specific vehicle models. The vented design improves heat dissipation during braking, reducing the risk of brake fade under normal driving conditions. The smooth surface type ensures consistent pad contact and braking performance. With an outside diameter of 11.654 inches and an overall height of 2.012 inches, this rotor fits vehicles requiring these precise dimensions. The mounting bolt hole quantity of five and a bolt circle diameter of 4.724 inches ensure secure installation on compatible hubs.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is a product line focused on delivering dependable replacement brake components that meet or exceed OEM specifications. This line emphasizes quality materials and manufacturing processes to provide rotors that maintain proper thickness and structural integrity over time. The 580839R rotor is part of this line, offering a balance of performance and durability for vehicles such as the Buick Regal and Chevrolet Malibu Limited.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Buick LaCrosse and Chevrolet Malibu models
• Addresses rotor thickness below discard limits (1.063 inches)
• Improves heat dissipation to reduce brake fade during extended use
• Ensures proper fitment for vehicles with 5-lug wheel configurations

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match vehicle specifications before installation
• Inspect hub surface for cleanliness and flatness to prevent rotor runout
• Torque mounting bolts to manufacturer-recommended specifications
• Replace brake pads simultaneously to ensure optimal braking performance
• Check rotor thickness regularly to maintain safety and performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent thickness and structural integrity. While specific warranty details for part number 580839R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to vehicle manufacturer guidelines.