Raybestos 581783R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 581783R

The Raybestos R-Line Disc Brake Rotor 581783R is engineered for reliable braking performance on Cadillac XTS models. This vented, conventional rotor is designed to meet precise fitment specifications, ensuring compatibility and consistent operation.

• Compatible with Cadillac XTS vehicles
• Vented disc brake rotor design for improved heat dissipation
• Overall height: 2.413 inches (61.300 mm)
• Outside diameter: 13.780 inches (350.000 mm)
• Mounting bolt hole quantity: 6 with 139.700 mm (5.500 inch) bolt circle diameter
• Nominal thickness: 0.830 inches (21.100 mm)
• Discard thickness: 0.770 inches (19.550 mm)
• Conventional rotor type with 6 stud/lug holes

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering rotors that meet or exceed original equipment specifications. This product line emphasizes precise engineering and durability, making it suitable for vehicles like the Cadillac XTS that require exact fitment and consistent braking performance. The 581783R rotor is part of this line, offering vented construction to help manage heat buildup during braking.

Technical Specifications and Features

The 581783R disc brake rotor features a vented design that enhances cooling efficiency, reducing the risk of brake fade under demanding conditions. With a nominal thickness of 0.830 inches and a discard thickness of 0.770 inches, this rotor maintains structural integrity throughout its service life. The overall height of 2.413 inches and an outside diameter of 13.780 inches ensure proper alignment and fitment on the Cadillac XTS. The rotor includes six mounting bolt holes arranged on a 139.700 mm bolt circle diameter, matching factory specifications for secure installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Cadillac XTS models
• Addresses brake pulsation and vibration issues
• Improves heat dissipation to reduce brake fade
• Restores braking performance after rotor surface damage
• Compatible with vehicles requiring a vented, conventional rotor design

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify that the mounting bolt holes align correctly with the vehicle hub. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Torque mounting bolts to manufacturer specifications to avoid rotor warping. Check rotor thickness regularly to ensure it remains above the discard thickness of 0.770 inches.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring durability and consistent performance. The 581783R rotor is engineered to match original equipment dimensions and specifications for the Cadillac XTS. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship.