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Dynamic Friction 631-21057L Disc Brake Rotor - Front Left
| Brand | Dynamic Friction 631-21057L |
|---|---|
| Position | Front Left |
| Discard Thickness | 28 |
| Nominal Thickness | 30 |
| Bolt Hole Diameter | 12.4 |
| Disc Finish | Plain |
| Bolt Hole Quantity | 5 |
| Outside Diameter | 350 |
| Height | 57 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 69 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
| Product line | DFC Brake Rotor - Drilled and Slotted - Silver |
| Fits | Genesis and Kia · 4 vehicles |
Drilled and slotted. Surface design supports consistent braking and heat control.
Vented construction. Promotes airflow through the rotor for thermal management.
Directional surface. Built for the specified brake application and fitment.
Overview
The Dynamic Friction 631-21057L is a vented disc brake rotor with a slotted and drilled surface, built for specific front-left applications. It is a fitment-based replacement for Genesis G70 and Kia Stinger models that require the listed dimensions and bolt pattern.
Key Features
- Slotted and drilled rotor surface for consistent brake contact and heat management.
- Vented rotor construction for improved airflow through the disc.
- 5-lug design with a 114.3 mm bolt circle and 69 mm center hole.
- 350 mm outside diameter with 57 mm overall height.
- Directional brake surface for the specified application.
Detailed Description
This Dynamic Friction brake rotor, part number 631-21057L, is engineered as a direct-fit disc brake rotor for the listed Genesis G70 and Kia Stinger front-left applications. The rotor uses a vented design with a slotted and drilled friction surface, which supports stable braking performance under repeated stops while maintaining the specified 28 mm discard thickness and 30 mm nominal thickness. The 5-bolt pattern, 114.3 mm bolt circle, and 12.4 mm bolt holes align with the confirmed fitment data for the covered vehicles.
The DFC Brake Rotor - Drilled and Slotted - Silver line focuses on application-specific brake components with performance-oriented surface design. For shoppers comparing Genesis G70 brake rotor options or a Kia Stinger front-left brake rotor, part number 631-21057L provides the listed dimensions and directional surface configuration in one replacement rotor.
What It Helps Address
- Brake fade during repeated stops.
- Uneven pad contact on worn or heat-stressed rotors.
- Rotor vibration related to surface wear.
- Loss of braking consistency under higher thermal load.
Installation Notes
Fits 2024-2025 Genesis G70, front left. Fits 2023 Genesis G70, front left, 4 piston front calipers. Fits 2023 Kia Stinger, front left. Confirm rotor dimensions, bolt pattern, and caliper clearance before installation. Match the directional surface orientation to the listed application.
Quality Assurance
Dynamic Friction supplies application-specific brake components built around confirmed dimensional and fitment requirements. Part number 631-21057L is specified with vented construction, drilled and slotted surface treatment, and directional braking surface details for the listed vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Genesis | G70 | — | — | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 2024 | Genesis | G70 | — | — | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 2023 | Genesis | G70 | 3.3L | V6 | Front Left | 4 Piston Front Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 2023 | Kia | Stinger | 3.3L | V6 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
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