Dynamite Friction 830-03021L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-03021L) is engineered for reliable braking performance on Hyundai and Kia vehicles. Designed specifically for models like the Hyundai Sonata, Kia Optima, Azera, and Cadenza, this rotor combines durability with enhanced heat dissipation.

• Disc type: Solid, drilled and slotted surface
• Nominal thickness: 10 mm with discard thickness at 8.4 mm
• Overall height: 54.5 mm
• Outside diameter: 283 mm
• Hat finish: Geospec silver grey with rust resistant coating
• Bolt hole quantity: 5 with 114.3 mm bolt circle diameter
• Directional brake surface for optimized performance
• Center hole diameter: 76 mm

Detailed Product Features and Specifications

This disc brake rotor is a solid type designed with a drilled and slotted surface to improve heat dissipation and reduce brake fade during operation. The rotor’s nominal thickness is 10 mm, with a discard thickness of 8.4 mm, ensuring a clear service life indicator. The hat section features a Geospec silver grey finish that includes a rust resistant coating to help prevent corrosion and extend rotor life. The rotor measures 283 mm in outside diameter and 54.5 mm in overall height, fitting securely with a 5-bolt pattern and a 114.3 mm bolt circle diameter. The directional surface design enhances braking efficiency by channeling gases and debris away from the contact area.

DFC Geoperformance Rotor - Drilled and Slotted Product Line

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on rotors that provide improved thermal management and consistent braking performance. This product line features rotors with drilled holes and slots to aid in heat dissipation and debris removal, which is critical for maintaining braking efficiency under demanding conditions. The solid rotor design balances durability with performance, making it suitable for daily driving and moderate performance needs on compatible Hyundai and Kia models.

Compatible Vehicles and Common Applications

• Replacement rotor for Hyundai Sonata models requiring 283 mm diameter rotors
• Suitable for Kia Optima brake system upgrades or maintenance
• Fits Hyundai Azera and Kia Cadenza with 5-lug bolt pattern and 114.3 mm bolt circle
• Addresses issues such as brake fade, rotor warping, and uneven pad wear
• Ideal for restoring braking performance on vehicles with worn or damaged rotors

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the bolt hole pattern and rotor dimensions match the vehicle specifications. Use proper torque settings on lug nuts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to ensure optimal braking performance and rotor longevity.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for Hyundai and Kia vehicles. The rust resistant coating helps maintain rotor integrity over time. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure consistent performance and durability.