Raybestos 581999R Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Chevrolet, and GMC Models

The Raybestos R-Line Disc Brake Rotor 581999R is engineered to provide consistent braking performance for select Buick, Chevrolet, and GMC vehicles. Designed with precise dimensions and a solid construction, this rotor ensures dependable stopping power and durability.

• Compatible with Buick Envision, LaCrosse, Regal Sportback, and Regal TourX
• Fits Chevrolet Envista, Equinox, Malibu, and Trax models
• Also suitable for GMC Terrain
• Solid disc brake rotor with smooth surface finish
• Mounting bolt hole quantity: 5 for secure fitment
• Nominal thickness: 0.472 inches (12.000 mm), discard thickness: 0.394 inches (10.000 mm)
• Outside diameter: 11.339 inches (288.000 mm)
• Inside diameter: 8.004 inches (203.300 mm)
• Overall height: 1.801 inches (45.750 mm)

Raybestos R-Line Product Line Overview

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. This line emphasizes precise fitment and consistent performance, making it suitable for drivers seeking dependable replacement parts for their vehicles. The 581999R rotor exemplifies the R-Line’s commitment to quality and durability in disc brake rotors.

Detailed Specifications and Features

This Raybestos 581999R disc brake rotor features a solid design with a smooth surface type, providing a stable braking surface for consistent pad contact. The rotor’s nominal thickness of 0.472 inches (12.000 mm) and discard thickness of 0.394 inches (10.000 mm) ensure it meets safety standards for wear limits. The rotor includes five mounting bolt holes with a bolt hole circle diameter of 4.528 inches (115.000 mm) and a center hole diameter of 2.783 inches (70.700 mm), designed for precise alignment and secure installation. Its overall height of 1.801 inches (45.750 mm) and outside diameter of 11.339 inches (288.000 mm) are engineered to match the braking system requirements of compatible Buick, Chevrolet, and GMC models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Resolving uneven brake pad wear due to rotor surface issues
• Improving braking performance on Buick Envision, Chevrolet Equinox, and GMC Terrain
• Restoring proper rotor dimensions for safe and effective braking

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Use proper torque specifications on mounting bolts to avoid rotor warping. Inspect the hub surface for any irregularities that could affect rotor seating.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 581999R may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.