Raybestos 582391 Disc Brake Rotor - Front Left

Raybestos Disc Brake Rotor for Cadillac ATS

The Raybestos Specialty - Street Performance; Coated Rotor (Part Number 582391) is engineered specifically for Cadillac ATS models. Designed to meet precise fitment requirements, this vented disc brake rotor offers reliable braking performance with a smooth surface finish and durable coating.

• Compatible with Cadillac ATS vehicles
• Vented disc brake rotor for improved heat dissipation
• Coated surface to resist corrosion and extend rotor life
• Nominal thickness of 1.185 inches (30.1 mm) with discard thickness at 1.063 inches (27 mm)
• Overall height of 2.402 inches (61 mm) and outside diameter of 12.638 inches (321 mm)
• Five mounting bolt holes with a 4.528 inch (115 mm) bolt circle diameter
• Smooth surface type for consistent pad contact

Product Line: Specialty - Street Performance; Coated Rotor

This rotor is part of the Raybestos Specialty - Street Performance; Coated Rotor line, which focuses on delivering street-ready braking components with enhanced durability. The coated rotor surface helps prevent rust and corrosion, making it suitable for daily driving conditions while maintaining consistent braking performance. The vented design improves heat dissipation, reducing the risk of brake fade during spirited driving or stop-and-go traffic.

Detailed Product Description

The Raybestos 582391 disc brake rotor is a conventional, vented rotor designed to fit the Cadillac ATS. It features a nominal thickness of 1.185 inches (30.1 mm) and a discard thickness of 1.063 inches (27 mm), ensuring a long service life before replacement is necessary. The rotor's outside diameter measures 12.638 inches (321 mm), with an overall height of 2.402 inches (61 mm). It includes five mounting bolt holes with a 4.528 inch (115 mm) bolt circle diameter and a center hole diameter of 2.787 inches (70.8 mm), matching OEM specifications for proper fitment and secure installation. The smooth surface type promotes even brake pad wear and consistent braking response.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Cadillac ATS
• Improves braking performance by reducing heat buildup with vented design
• Prevents corrosion-related rotor damage with coated surface
• Eliminates brake noise caused by uneven rotor surfaces
• Restores proper rotor thickness for safe braking operation

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.063 inches) before installation
• Clean mounting surface to prevent rotor runout and vibration
• Torque mounting bolts to manufacturer specifications for secure fit
• Inspect brake pads and replace if worn to maintain optimal braking
• Perform a bed-in procedure after installation for best braking performance

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM standards 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 may vary, Raybestos typically offers a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.