Raybestos 581783 Disc Brake Rotor - Rear

Overview of Raybestos 581783 Disc Brake Rotor

The Raybestos Specialty - Street Performance; Coated Rotor 581783 is engineered for reliable braking performance on Cadillac XTS models. This vented disc brake rotor is designed to meet precise fitment and durability requirements for street use.

• Compatible with Cadillac XTS vehicles
• Part number 581783 for exact replacement
• Vented rotor design for improved heat dissipation
• Coated surface to resist corrosion and extend rotor life
• 6 mounting bolt holes with 139.7 mm bolt circle diameter
• Nominal thickness of 0.830 inches (21.1 mm) and discard thickness of 0.770 inches (19.55 mm)
• Overall height of 2.413 inches (61.3 mm) and outside diameter of 13.78 inches (350 mm)

Detailed Product Specifications

This Raybestos disc brake rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under normal street driving conditions. The rotor is conventional in style, not a drum-in-hat type, and includes six mounting bolt holes arranged on a 139.7 mm (5.5 inch) bolt circle diameter, matching the factory specifications for Cadillac XTS models. The nominal thickness of 0.830 inches (21.1 mm) ensures structural integrity, while the discard thickness of 0.770 inches (19.55 mm) indicates the minimum safe thickness before replacement is necessary. The overall height of 2.413 inches (61.3 mm) and outside diameter of 13.78 inches (350 mm) provide proper fitment and clearance within the brake assembly.

About the Specialty - Street Performance; Coated Rotor Line

The Specialty - Street Performance; Coated Rotor line by Raybestos is designed to offer street drivers a balance of performance and durability. The coating on the rotor surface helps prevent rust and corrosion, which is especially beneficial for vehicles like the Cadillac XTS that may be exposed to varying weather conditions. This product line focuses on maintaining consistent braking performance while extending rotor service life under typical street driving scenarios.

Applications and Problem Solving

• Replacement for worn or warped rotors on Cadillac XTS
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Helps reduce brake fade through vented rotor design
• Prevents premature rotor corrosion with coated surface
• Ensures proper fitment and braking performance with exact OEM specifications

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 0.770 inches
• Ensure mounting surfaces and bolt holes are clean and free of debris
• Use proper torque specifications for the 6 mounting bolts on the 139.7 mm bolt circle
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Follow manufacturer’s recommended bedding-in procedure after installation

Quality Assurance and Warranty

Raybestos rotors undergo rigorous quality control to meet industry standards for fit, form, and function. The Specialty - Street Performance; Coated Rotor line is manufactured to provide consistent braking performance and durability. Warranty coverage details should be confirmed with the product documentation or authorized Raybestos distributor.