Raybestos 580371R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580371R

The Raybestos R-Line Disc Brake Rotor 580371R is engineered for reliable braking performance on select GM vehicles. Designed specifically for compatibility with Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models, this vented rotor meets precise specifications to maintain optimal stopping power and durability.

• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 11.694 inches (297.05 mm)
• Nominal thickness of 1.270 inches (32.25 mm) with discard thickness at 1.209 inches (30.7 mm)
• Overall height of 2.051 inches (52.1 mm)
• Six mounting bolt holes with a 4.528 inch (115 mm) bolt circle diameter
• Conventional rotor design compatible with stud/lug hole quantity of six

Detailed Specifications and Features

This Raybestos R-Line rotor (part number 580371R) features a vented design that enhances cooling during braking, reducing the risk of brake fade under heavy use. The rotor’s nominal thickness of 1.270 inches ensures structural integrity, while the discard thickness of 1.209 inches indicates the minimum safe thickness before replacement is necessary. The 11.694-inch outside diameter and 2.051-inch overall height are tailored to fit the braking systems of Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander vehicles. The six mounting bolt holes with a 115 mm bolt circle diameter provide secure installation and compatibility with the original equipment mounting points.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. This line emphasizes durability and consistent performance, making it suitable for drivers who require dependable braking parts for their GM vehicles. The 580371R rotor is part of this line, ensuring it aligns with the quality and fitment standards expected from Raybestos.

Applications and Problem Solving

• Restores braking efficiency on Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander
• Addresses rotor wear and thickness below manufacturer specifications
• Reduces brake fade caused by overheating through vented rotor design
• Eliminates vibrations and noise associated with warped or damaged rotors
• Ensures proper fitment with six mounting bolt holes and OEM bolt circle diameter

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces to prevent uneven rotor seating
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Perform a test drive to confirm proper brake operation after installation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 580371R should be confirmed with the supplier or manufacturer, Raybestos typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to vehicle manufacturer guidelines.