Raybestos 580373 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Chevrolet, Pontiac, and Saturn Trucks

The Raybestos Specialty - Truck Disc Brake Rotor 580373 is engineered to meet the braking demands of select Buick, Chevrolet, Pontiac, and Saturn models. Designed as a solid, conventional rotor, it offers consistent performance for vehicles like the Montana, Relay, Terraza, and Uplander.

• Solid disc brake rotor with conventional design
• Overall height: 1.370 inches (34.800 mm)
• Outside diameter: 11.815 inches (300.100 mm)
• Nominal thickness: 0.472 inches (12.000 mm)
• Discard thickness: 0.413 inches (10.500 mm)
• 6 mounting bolt holes with 0.557 inch (14.150 mm) diameter
• Center hole diameter: 2.782 inches (70.650 mm)
• Mounting bolt hole circle diameter: 4.528 inches (115.000 mm)
• 6 stud/lug hole quantity

Detailed Specifications and Product Line Information

This Raybestos Specialty - Truck rotor (part number 580373) is part of a product line tailored for truck applications requiring durable and reliable braking components. The solid rotor design provides a stable braking surface, suitable for the weight and usage patterns of light trucks and SUVs. The conventional rotor type ensures compatibility with standard brake systems on the specified vehicle models. The precise dimensions, including the nominal thickness of 0.472 inches and discard thickness of 0.413 inches, help maintain optimal braking performance and safety margins.

Compatible Vehicles and Application

This disc brake rotor is compatible with the following makes and models:

• Buick Montana
• Chevrolet Uplander
• Pontiac Montana SV6 and Relay
• Saturn Relay

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

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped rotors
• Reduced braking efficiency due to rotor wear below discard thickness
• Noise and vibration from uneven rotor surfaces
• Overheating and brake fade from inadequate rotor thickness
• Corrosion or physical damage compromising rotor integrity

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify that the mounting bolt holes and center hole align precisely with the vehicle hub. Measure rotor thickness to confirm it meets or exceeds the nominal thickness of 0.472 inches. Replace brake pads simultaneously to ensure even wear and optimal braking performance. Torque mounting bolts to manufacturer specifications to avoid rotor distortion.

Quality Assurance and Warranty

Raybestos Specialty - Truck rotors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.