Dynamite Friction 631-21042R Disc Brake Rotor - Rear Right

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-21042R) is engineered for reliable braking performance on Hyundai and Kia vehicles. Designed specifically for models like the Hyundai Nexo, Sportage, and Tucson, this rotor combines durability with enhanced heat dissipation.

• Disc type: Directional drilled and slotted surface
• Outside diameter: 302 mm
• Nominal thickness: 10 mm with discard thickness at 8.4 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied
• Bolt hole quantity: 5 with 12.4 mm diameter
• Bolt circle diameter: 114.3 mm
• Center hole diameter: 76 mm
• Height: 31.2 mm

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver is a disc brake rotor designed to meet the specific braking needs of Hyundai and Kia vehicles, including the Nexo, Sportage, and Tucson. The rotor features a directional surface with both drilled holes and slots, which help to improve heat dissipation and reduce brake fade during extended use. The rotor’s nominal thickness is 10 mm, with a discard thickness of 8.4 mm, ensuring it maintains structural integrity over its service life.

The rotor’s hat is finished with a zinc silver coating, providing enhanced resistance to rust and corrosion, which is further supported by an overall rust-resistant coating. The rotor is designed with five bolt holes, each 12.4 mm in diameter, arranged on a 114.3 mm bolt circle diameter, making it compatible with the specified Hyundai and Kia models. The 302 mm outside diameter and 31.2 mm height ensure proper fitment and performance.

About the DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled and slotted surfaces with corrosion-resistant finishes. This product line is engineered to provide consistent braking performance and durability, particularly for vehicles requiring directional rotors that aid in heat management and debris removal. The silver zinc coating on the hat enhances longevity by protecting against rust, making it suitable for various driving conditions.

Common Applications and Problem Solving

• Reduces brake fade caused by overheating during heavy braking
• Improves water and debris evacuation for consistent braking in wet conditions
• Prevents rust and corrosion on the rotor surface and hat
• Maintains structural integrity with clear discard thickness guidelines
• Ensures proper fitment for Hyundai Nexo, Sportage, and Tucson models

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below 8.4 mm discard thickness
• Ensure bolt hole alignment matches the 5-lug, 114.3 mm bolt circle diameter pattern
• Clean rotor surface before installation to remove any protective coatings or residues
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with vehicle model and year for optimal fitment

Quality Assurance

Dynamite Friction manufactures the 631-21042R rotor to meet industry standards for durability and performance. The rust-resistant coatings and precise machining ensure long service life and reliable braking. Warranty information is provided by the manufacturer and should be consulted for specific coverage details.