Raybestos 580838 Disc Brake Rotor - Rear

Overview of Raybestos 580838 Disc Brake Rotor

The Raybestos Specialty - Street Performance; Coated Rotor 580838 is engineered for reliable braking performance on select Buick, Chevrolet, and Saab models. Designed as a solid, drum-in-hat type rotor, it offers consistent stopping power and durability for street-driven vehicles like the Buick LaCrosse, Chevrolet Malibu, and Saab 9-5.

• Part Number: 580838
• Brand Line: Specialty - Street Performance; Coated Rotor
• Rotor Type: Solid, Drum-in-Hat
• Surface Type: Smooth
• Mounting Bolt Hole Quantity: 5
• Stud/Lug Hole Quantity: 5
• Outside Diameter: 292.1 mm (11.5 in)
• Nominal Thickness: 12.0 mm (0.472 in)
• Discard Thickness: 10.5 mm (0.413 in)
• Center Hole Diameter: 67.4 mm (2.654 in)
• Mounting Bolt Hole Circle Diameter: 120 mm (4.724 in)
• Mounting Bolt Hole Diameter: 16.15 mm (0.636 in)
• Overall Height: 48.0 mm (1.89 in)
• Inside Diameter: 208.3 mm (8.201 in)

Detailed Product Description

This Raybestos disc brake rotor 580838 is designed specifically for vehicles requiring a solid rotor with a drum-in-hat configuration. The smooth surface finish ensures consistent pad contact and braking efficiency. With a nominal thickness of 12.0 mm and a discard thickness of 10.5 mm, this rotor maintains structural integrity and safety throughout its service life. The rotor’s 5-bolt mounting pattern and 67.4 mm center hole diameter provide precise fitment for compatible Buick, Chevrolet, and Saab models, including the Buick LaCrosse, Chevrolet Malibu, Malibu Limited, Regal, and Saab 9-5.

The Specialty - Street Performance; Coated Rotor line from Raybestos focuses on street-driven vehicles requiring enhanced corrosion resistance and reliable braking performance. The coating helps protect the rotor from rust and environmental wear, extending the rotor’s usable life while maintaining consistent braking characteristics.

Applications and Problem Solving

• Replacement for worn or warped rotors on Buick LaCrosse and Chevrolet Malibu models
• Addresses brake pulsation caused by uneven rotor surfaces
• Prevents premature rotor corrosion with coated surface
• Restores proper brake pad contact and stopping power
• Compatible with drum-in-hat brake systems requiring solid rotors

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 10.5 mm
• Ensure mounting surfaces and bolt holes are clean and free of debris
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Use proper tools to avoid damage to rotor coating during installation

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance; Coated Rotor line undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details for part number 580838 should be confirmed with the retailer or manufacturer, Raybestos typically offers limited warranties covering defects in materials and workmanship.