Raybestos 580838R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 580838R

The Raybestos R-Line Disc Brake Rotor 580838R is engineered for reliable braking performance on select Buick, Chevrolet, and Saab vehicles. Designed as a solid, drum-in-hat type rotor, it meets precise specifications to ensure compatibility and durability for models like the Buick LaCrosse, Chevrolet Malibu, and Saab 9-5.

• Part Number: 580838R
• Brand Line: Raybestos R-Line
• Type: Solid Disc Brake Rotor with Drum-in-Hat design
• Mounting Bolt Hole Quantity: 5
• Outside Diameter: 292.1 mm (11.5 inches)
• Nominal Thickness: 12.0 mm (0.472 inches)
• Discard Thickness: 10.5 mm (0.413 inches)
• Inside Diameter: 208.3 mm (8.201 inches)
• Center Hole Diameter: 67.4 mm (2.654 inches)
• Mounting Bolt Hole Circle Diameter: 120 mm (4.724 inches)
• Surface Type: Smooth
• Overall Height: 48.0 mm (1.89 inches)

Detailed Product Description

This Raybestos R-Line rotor 580838R is a solid disc brake rotor featuring a drum-in-hat design, which integrates the drum brake surface into the rotor hat. This design is commonly used in rear brake assemblies on vehicles such as the Buick Regal and Chevrolet Malibu Limited. The rotor's smooth surface ensures consistent pad contact and braking efficiency. With a 5-bolt mounting pattern and a 120 mm bolt circle diameter, it fits securely on compatible hubs. The rotor's nominal thickness of 12.0 mm provides a durable braking surface, while the discard thickness of 10.5 mm indicates the minimum safe thickness before replacement is necessary. The overall height and precise inside and outside diameters ensure proper fitment and clearance within the brake assembly.

Compatible Vehicles and Applications

• Buick LaCrosse
• Buick Regal
• Chevrolet Malibu
• Chevrolet Malibu Limited
• Saab 9-5

This rotor is specifically designed for rear brake systems that require a drum-in-hat type rotor, making it suitable for the above models and trims that use this brake configuration.

Installation Notes and Tips

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

Raybestos R-Line Product Line Information

The Raybestos R-Line product line focuses on delivering reliable, OE-quality brake components designed to meet or exceed original equipment specifications. The R-Line rotors, including part number 580838R, are engineered for consistent performance and durability, making them suitable for professional repair shops and knowledgeable vehicle owners seeking dependable replacement parts for their Buick, Chevrolet, and Saab vehicles.

Quality Assurance and Warranty

Raybestos R-Line rotors undergo rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details for part number 580838R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. Proper installation and maintenance are essential to maintain product performance and warranty coverage.