Raybestos 580437R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580437R

The Raybestos R-Line Disc Brake Rotor 580437R is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed as a vented, conventional rotor, it meets the specific requirements of models like the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.

• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 10.5 inches (266.7 mm)
• Nominal thickness of 1.035 inches (26.3 mm) with discard thickness at 0.972 inches (24.7 mm)
• Overall height of 1.425 inches (36.2 mm)
• Five mounting bolt holes with a 115 mm (4.528 inch) bolt circle diameter
• Conventional rotor design compatible with drum-in-hat setups

Detailed Product Description and Specifications

This Raybestos R-Line rotor, part number 580437R, is a vented disc brake rotor designed to provide consistent braking performance and heat management. The vented design helps reduce brake fade by allowing air to circulate between the rotor surfaces. With an outside diameter of 10.5 inches and a nominal thickness of 1.035 inches, this rotor fits vehicles requiring precise dimensions for optimal brake system function.

The rotor features five mounting bolt holes arranged on a 115 mm bolt circle diameter, ensuring compatibility with the specified Buick, Chevrolet, Oldsmobile, and Pontiac models. The overall height of 1.425 inches supports proper caliper clearance and brake pad engagement. The discard thickness of 0.972 inches indicates the minimum safe thickness before replacement is necessary, helping maintain braking safety and performance.

About the Raybestos R-Line Product Line

The R-Line from Raybestos is a product line focused on delivering reliable, OE-quality brake components for a range of domestic vehicles. This line emphasizes precise fitment and consistent performance, making it suitable for drivers seeking dependable replacement parts. The 580437R rotor exemplifies the R-Line’s commitment to matching factory specifications for thickness, diameter, and mounting configurations.

Applications and Common Issues Addressed

• Replacement for worn or warped rotors on Buick Cutlass Supreme and Chevrolet Monte Carlo
• Restores braking efficiency on Pontiac Grand Prix and Oldsmobile Regal models
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Prevents brake fade by improving heat dissipation with vented design
• Ensures proper rotor thickness to maintain safe braking distances

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your vehicle before installation
• Inspect calipers and brake pads for wear during rotor replacement
• Clean mounting surfaces to ensure proper rotor seating and prevent runout
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Check rotor thickness regularly and replace when reaching discard thickness of 0.972 inches

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Using the 580437R rotor helps maintain braking system integrity on compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.