Raybestos 580405R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 580405R

The Raybestos R-Line Disc Brake Rotor 580405R is engineered for reliable braking performance on select Buick and Cadillac models. Designed as a solid, conventional rotor, it meets the specific requirements of vehicles like the Buick Lucerne and Cadillac DTS.

• Solid disc brake rotor with conventional design
• Overall height: 1.936 inches (49.150 mm)
• Outside diameter: 11.498 inches (292.050 mm)
• Mounting bolt hole quantity: 5 with 4.528 inch (115.000 mm) bolt circle diameter
• Nominal thickness: 0.474 inches (12.050 mm)
• Discard thickness: 0.413 inches (10.500 mm)
• Stud/lug hole quantity: 5

Detailed Product Description

This Raybestos R-Line rotor, part number 580405R, is a solid disc brake rotor designed for use on Buick Lucerne and Cadillac DTS models. The rotor features a conventional design, which means it is a single solid piece rather than a vented or drum-in-hat type. With an outside diameter of 11.498 inches and an overall height of 1.936 inches, it fits precisely to the specified vehicles. The rotor includes five mounting bolt holes arranged on a 4.528 inch bolt circle diameter, ensuring secure attachment. The nominal thickness of 0.474 inches provides adequate material for effective braking, while the discard thickness of 0.413 inches indicates the minimum safe thickness before replacement is necessary.

Compatible Vehicles and Applications

This disc brake rotor is compatible with the following vehicles:

• Buick Lucerne
• Cadillac DTS

It is designed to replace worn or damaged rotors on these models, restoring proper braking function and safety.

Common Issues Addressed by This Rotor

• Brake pulsation or vibration due to warped rotors
• Reduced braking efficiency from worn rotor surfaces
• Excessive brake noise caused by uneven rotor wear
• Brake fade resulting from rotor overheating
• Corrosion or surface damage compromising rotor integrity

Installation Notes and Tips

• Ensure the rotor thickness is above the discard thickness of 0.413 inches before installation
• Clean mounting surfaces to prevent rotor misalignment
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Perform a test drive to verify braking function after installation

Raybestos R-Line Product Line and Quality Assurance

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed original equipment specifications. The 580405R rotor is manufactured with precision to provide consistent braking performance and durability for Buick and Cadillac vehicles. Raybestos products typically come with a limited warranty covering defects in materials and workmanship, ensuring confidence in the part's quality and longevity.