Dynamic Friction 604-21057 Disc Brake Rotor - Front

Front Brake Rotor for Genesis G70 and Kia Stinger

The Dynamic Friction DFC GEOSPEC Coated Rotor 604-21057 is a front disc brake rotor built for specific Genesis and Kia applications. It features a vented, smooth, non-directional braking surface with a plain disc finish for consistent pad contact and straightforward service fitment.

Key Features

• Part number: 604-21057
• DFC GEOSPEC Coated Rotor line from Dynamic Friction
• Front disc brake rotor application
• Vented rotor design for heat management
• Outside diameter: 350 mm
• Nominal thickness: 30 mm
• Discard thickness: 28 mm
• Height: 57 mm
• Center hole diameter: 69 mm
• Bolt circle diameter: 114.3 mm
• 5-bolt / 5-lug pattern with 12.4 mm bolt holes
• Plain, smooth, non-directional braking surface

DFC GEOSPEC Coated Rotor Line

The DFC GEOSPEC Coated Rotor line is positioned for OE-style brake service where fit, surface consistency, and corrosion-resistant coating matter. On applications such as the Genesis G70 and Kia Stinger, this rotor supports direct front-axle replacement with dimensions matched to the listed vehicle fitments. The 604-21057 part number is the reference to use when matching this rotor to the correct front brake setup.

Detailed Description

This rotor is engineered around the listed dimensions and fitment data for 2024-2025 Genesis G70 front, 2023 Genesis G70 front with 4 piston front calipers, and 2023 Kia Stinger front. The vented construction helps manage brake heat during repeated stops, while the smooth, non-directional surface supports even pad contact during service. The 350 mm outside diameter, 30 mm nominal thickness, and 28 mm discard thickness provide the dimensional reference needed for accurate brake replacement. If you are sourcing a front brake rotor for Genesis G70 or Kia Stinger service, 604-21057 is the part number to verify against the vehicle’s brake package.

What It Helps Address

• Front brake rotor wear that has reached service limits
• Brake pulsation caused by rotor thickness variation or surface irregularity
• Reduced braking consistency from heat buildup in the front axle
• Noise or uneven pad contact related to rotor surface condition
• Replacement needs for Genesis G70 and Kia Stinger front brake service

Installation Notes and Tips

Confirm rotor dimensions, bolt pattern, center bore, and caliper configuration before installation. This rotor is listed for front applications only, and the 2023 Genesis G70 fitment includes 4 piston front calipers. Clean the hub mounting surface before installing the rotor to help maintain proper runout control and brake feel. Verify the part number 604-21057 against the vehicle’s brake system before final assembly.

Quality Assurance

Dynamic Friction’s DFC GEOSPEC Coated Rotor line is built around application-specific brake dimensions and service fitment for the listed Genesis and Kia vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.