Dynamite Friction 4004-21021 Disc Brake Rotor Set - Front and Rear

DFC Geospec Rotors for Select Hyundai and Kia Models

The Dynamite Friction DFC Geospec Rotor Set, part number 4004-21021, is a front and rear disc brake rotor set for select Hyundai and Kia applications. It is listed for 2020-2026 Hyundai Sonata, 2021-2026 Kia K5, 2023-2026 Kia Niro EV, and 2024-2026 Hyundai Kona.

Key Features

• Disc brake rotor set for front and rear positions
• DFC Geospec Rotors product line from Dynamite Friction
• Direct fitment coverage for select Hyundai Sonata, Kia K5, Kia Niro EV, and Hyundai Kona applications
• Part number 4004-21021 for catalog lookup and ordering

Product Details

DFC Geospec Rotors are part of Dynamite Friction’s rotor line for drivers replacing worn brake rotors on late-model Hyundai and Kia vehicles. This set is cataloged for front and rear use on the listed applications, including the Hyundai Sonata, Kia K5, Kia Niro EV, and Hyundai Kona. If you are searching for Hyundai Sonata brake rotors, Kia K5 front and rear rotors, or a Kia Niro EV rotor set, part number 4004-21021 matches the fitment shown here.

Common Issues This Part Can Address

• Brake pulsation caused by rotor wear or thickness variation
• Scoring, grooves, or surface damage on existing rotors
• Reduced braking consistency from worn brake rotor surfaces
• Rotor replacement needs during brake service on front and rear axles

Installation Notes and Tips

Verify vehicle year, make, model, and brake position before ordering. This rotor set is listed for front and rear applications only, so match the axle position to your service needs. Inspect pads, calipers, and hub surfaces during installation, and follow the vehicle manufacturer’s torque specifications and bedding procedure after installation.

Quality Assurance

DFC Geospec Rotors are offered under the Dynamite Friction brand and cataloged for specific late-model Hyundai and Kia fitments. Part number 4004-21021 is intended for the applications listed above, including 2020-2026 Hyundai Sonata and 2021-2026 Kia K5 rotor replacement service.