Raybestos 56420R Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly

The Raybestos R-Line 56420R disc brake rotor and hub assembly is engineered for Chevrolet G10 and G20 models. Designed to meet precise specifications, this assembly ensures reliable braking performance and proper fitment for your vehicle.

• Compatible with Chevrolet G10 and G20 models
• Includes disc brake rotor and hub assembly
• Mounting bolt hole quantity: 5
• Mounting bolt hole circle diameter: 127.0 mm
• Mounting bolt hole diameter: 15.3 mm
• Nominal rotor thickness: 32.650 mm (1.285 inches)
• Discard rotor thickness: 30.850 mm (1.215 inches)
• Stud/lug hole quantity: 5

Detailed Product Description and Specifications

The Raybestos R-Line 56420R combines a disc brake rotor with an integrated hub assembly, designed specifically for Chevrolet G10 and G20 vans. The rotor features a nominal thickness of 32.650 mm (1.285 inches) and a discard thickness of 30.850 mm (1.215 inches), providing clear service limits for maintenance. The assembly includes five mounting bolt holes arranged on a 127.0 mm bolt circle diameter, with each hole measuring 15.3 mm in diameter. Additionally, the hub accommodates five stud/lug holes, ensuring secure wheel attachment. This precise fitment supports consistent braking performance and vehicle safety.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable brake components that meet original equipment specifications. This line emphasizes durability and fitment accuracy, making it suitable for professional repairs and maintenance. The 56420R rotor and hub assembly reflects the R-Line's commitment to quality and compatibility with specific vehicle models like the Chevrolet G10 and G20.

Common Applications and Problem Resolution

• Replacement for worn or warped disc brake rotors on Chevrolet G10 and G20
• Addresses brake pulsation caused by uneven rotor thickness
• Solves issues related to hub bearing wear or damage
• Restores proper wheel alignment and secure mounting
• Improves braking response and reduces noise

Installation Notes and Tips

• Verify compatibility with Chevrolet G10 or G20 before installation
• Inspect mounting bolts and studs for wear or damage during replacement
• Ensure rotor thickness is above discard thickness to maintain safety
• Torque mounting bolts to manufacturer specifications for secure fit
• Check wheel alignment and balance after installation

Quality Assurance and Warranty Information

Raybestos R-Line brake components are manufactured to meet strict quality standards and original equipment specifications. The 56420R disc brake rotor and hub assembly undergoes rigorous testing to ensure durability and performance. Warranty coverage details should be confirmed with the product documentation or supplier.