Raybestos 580044 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Truck Disc Brake Rotor 580044

The Raybestos Specialty - Truck Disc Brake Rotor 580044 is engineered for reliable braking performance on select Buick, Oldsmobile, and Pontiac models. Designed specifically for vehicles like the Aztek, Montana, Rendezvous, and Silhouette, this rotor meets precise specifications to ensure proper fit and function.

• Vented disc brake rotor with drum-in-hat design
• Outside diameter of 11.430 inches (290.3 mm)
• Nominal thickness of 0.435 inches (11.05 mm) and discard thickness of 0.354 inches (9.0 mm)
• Overall height of 1.790 inches (45.45 mm)
• Five mounting bolt holes with a bolt circle diameter of 4.528 inches (115.0 mm)
• Center hole diameter of 2.782 inches (70.65 mm)
• Compatible with 5 stud/lug hole configurations

Detailed Product Description and Specifications

This Raybestos disc brake rotor, part number 580044, features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade under heavy use. The drum-in-hat type rotor integrates a parking brake drum within the rotor assembly, providing a dual-function component suitable for the specified vehicle models. The rotor’s precise dimensions, including an outside diameter of 11.430 inches and an overall height of 1.790 inches, ensure compatibility with the braking system of Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, and Rendezvous models. The mounting bolt hole pattern includes five holes spaced on a 4.528-inch bolt circle diameter, matching factory specifications for secure installation.

About the Raybestos Specialty - Truck Product Line

The Specialty - Truck line by Raybestos is designed to meet the demands of truck and SUV applications, focusing on durability and performance under heavier loads and more rigorous driving conditions. This product line includes components engineered to maintain braking efficiency and reliability for larger vehicles, such as the Buick Montana and Pontiac Aztek, which require robust braking solutions. The 580044 rotor exemplifies this focus with its vented design and integrated drum-in-hat configuration.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise or vibration issues linked to damaged or uneven rotors
• Upgrading to a vented rotor for improved heat dissipation in heavy-duty use
• Ensuring proper fitment for parking brake function with drum-in-hat design

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your specific vehicle model
• Inspect hub and mounting surfaces for cleanliness and damage before installation
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Check parking brake components for wear when replacing drum-in-hat rotors
• Follow proper bedding procedures after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos disc brake rotors, including part number 580044, are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Truck line undergoes rigorous quality control to ensure durability and consistent performance. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region and application.