Raybestos 56397R Disc Brake Rotor and Hub Assembly - Front

Reliable Disc Brake Rotor and Hub Assembly for Chevrolet and GMC

The Raybestos R-Line 56397R disc brake rotor and hub assembly is engineered for dependable braking performance on Chevrolet G30, GMC P30, and P3500 models. Designed to meet precise specifications, this assembly ensures consistent stopping power and durability for your vehicle's braking system.

• Compatible with Chevrolet G30, GMC P30, and P3500 models
• Part number 56397R for accurate identification
• Includes 8 mounting bolt holes with a 165.1 mm bolt circle diameter
• Nominal rotor thickness of 39.000 mm with discard thickness at 37.200 mm
• Stud/lug hole quantity of 8 for secure wheel attachment

Detailed Specifications and Product Line Information

This disc brake rotor and hub assembly features a nominal thickness of 39.000 mm and a discard thickness of 37.200 mm, ensuring optimal rotor life and performance. The mounting bolt hole diameter measures 15.250 mm, with 8 holes arranged on a 165.1 mm bolt circle diameter, providing a precise fit for the specified vehicle models. The 8 stud/lug holes accommodate standard wheel configurations for Chevrolet and GMC vans and trucks.

The Raybestos R-Line product line focuses on delivering reliable, OE-quality brake components designed to meet the demands of commercial and fleet vehicles. The R-Line series balances durability and performance, making it suitable for heavy-duty applications such as those found in Chevrolet G30 and GMC P30 and P3500 vehicles.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet G30 and GMC P30 vans
• Restores proper braking performance on GMC P3500 trucks
• Addresses issues with rotor thickness below discard limits
• Eliminates vibrations caused by uneven rotor surfaces
• Ensures secure wheel mounting with correct bolt hole configuration

Installation Notes and Tips

When installing the Raybestos R-Line 56397R rotor and hub assembly, verify the mounting bolt hole circle diameter of 165.1 mm and the 8-bolt pattern to ensure compatibility. Check rotor thickness before installation to confirm it meets nominal specifications of 39.000 mm and is above the discard thickness of 37.200 mm. Proper torque specifications should be followed for mounting bolts and lug nuts to maintain safety and performance.

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Raybestos products typically undergo rigorous quality control to ensure reliability in commercial vehicle applications such as Chevrolet G30 and GMC P30 and P3500 models.