Raybestos 580188R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580188R

The Raybestos R-Line Disc Brake Rotor 580188R is engineered for reliable braking performance on select Buick and Pontiac models. Designed as a solid rotor, it offers consistent stopping power and durability for vehicles like the Buick Allure, Grand Prix, and LaCrosse.

• Solid disc brake rotor with conventional design
• Outside diameter of 11.690 inches (296.95 mm)
• Nominal thickness of 1.270 inches (32.25 mm)
• Discard thickness at 1.209 inches (30.7 mm)
• Overall height of 2.040 inches (51.8 mm)
• Five mounting bolt holes with 118 mm bolt circle diameter
• Center hole diameter of 2.783 inches (70.7 mm)
• Compatible with Buick Allure, Grand Prix, and LaCrosse models

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes solid rotors designed for conventional braking systems, providing a balance of performance and longevity. The 580188R rotor is part of this line, ensuring compatibility and quality for specific Buick and Pontiac vehicles.

Technical Specifications and Features

This disc brake rotor features a solid construction with an outside diameter of 11.690 inches, suitable for the braking systems of Buick Allure, Grand Prix, and LaCrosse models. The nominal thickness of 1.270 inches ensures adequate material for heat dissipation and wear resistance, while the discard thickness of 1.209 inches indicates the minimum safe thickness before replacement is necessary. The rotor’s overall height measures 2.040 inches, and it includes five mounting bolt holes arranged on a 118 mm bolt circle diameter, matching factory specifications. The center hole diameter of 2.783 inches allows for proper hub fitment, ensuring secure installation.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Buick Allure, Grand Prix, and LaCrosse
• Addresses rotor thickness below manufacturer discard limits
• Eliminates noise and vibration from uneven rotor surfaces
• Supports safe stopping performance under normal driving conditions

Installation Notes and Tips

When installing the Raybestos R-Line 580188R rotor, ensure the mounting surface is clean and free of rust or debris. Verify the rotor thickness before installation to confirm it meets nominal specifications. Use proper torque settings on the five mounting bolts to secure the rotor evenly. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Always follow vehicle manufacturer guidelines for brake system maintenance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet OEM standards for fit, form, and function. The 580188R rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or Raybestos directly for warranty terms.