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Dynamic Friction 830-21039R Disc Brake Rotor - Rear Right
| Brand | Dynamic Friction 830-21039R |
|---|---|
| Position | Rear Right |
| Discard Thickness | 20 |
| Nominal Thickness | 22 |
| Bolt Hole Diameter | 12.5 |
| Disc Finish | Plain |
| Hat Finish | Geospec silver grey |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Outside Diameter | 340 |
| Height | 58.5 |
| Surface Type | Slotted x drilled |
| Center Hole Diameter | 69 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
| Product line | DFC Geoperformance Rotor - Drilled and Slotted |
| Fits | Genesis and Kia · 13 vehicles |
Drilled and slotted. Directional surface helps clear heat and gases for consistent braking.
Rust-resistant coating. Helps protect the rotor from corrosion and keeps it looking cleaner longer.
Geospec silver grey hat. Adds a clean, finished look to the rotor assembly.
Drilled and Slotted Rear Rotor for G70 and Stinger
The Dynamic Friction DFC Geoperformance Rotor - Drilled and Slotted, part number 830-21039R, is a rear right disc brake rotor built for select Genesis G70 and Kia Stinger applications. It features a directional slotted X drilled surface, a rust resistant coating, and a Geospec Silver Grey hat finish for a clean, corrosion-resistant appearance.
This rotor is sized with a 340 mm outside diameter, 58.5 mm height, 69 mm center hole diameter, 5 bolt holes, and a 114.3 mm bolt circle diameter. The nominal thickness is 22 mm with a discard thickness of 20 mm, and the plain disc finish keeps the braking surface focused on consistent contact.
Key Features
- Part number 830-21039R rear right disc brake rotor
- DFC Geoperformance Rotor - Drilled and Slotted design
- Directional slotted X drilled braking surface
- Rust resistant coating for added surface protection
- Geospec Silver Grey hat finish
- 340 mm outside diameter with 22 mm nominal thickness
- 5-lug rotor with 114.3 mm bolt circle diameter
Product Line Details
The DFC Geoperformance Rotor line focuses on performance-oriented brake rotor construction with drilled and slotted surfaces for improved heat management and pad bite characteristics. On applications like the Genesis G70 rear right rotor and Kia Stinger rear right rotor, this format is commonly selected for drivers replacing worn OE-style rotors with a performance-minded direct-fit option.
Fitment
- Fits 2024-2025 Genesis G70, rear right.
- Fits 2022-2023 Genesis G70, rear right. Notes: 4 Piston Front Calipers.
- Fits 2018-2023 Kia Stinger, rear right.
- Fits 2019-2021 Genesis G70, rear right. Notes: Brembo Brakes.
What This Rotor Helps Address
- Rear rotor wear from normal brake use
- Brake pulsation caused by rotor surface irregularity
- Reduced braking consistency from heat buildup
- Corrosion on exposed rotor surfaces
- Replacement needs for drilled and slotted rear brake rotor applications
Installation Notes and Tips
Verify rotor dimensions, bolt pattern, and rear right position before installation. This rotor is directional, so orientation matters during mounting. Confirm caliper configuration and vehicle application details for your Genesis G70 or Kia Stinger before ordering, especially on Brembo brake or 4 piston front caliper vehicles.
Quality Assurance
Dynamic Friction supplies this rotor with a rust resistant coating and a Geospec Silver Grey hat finish to support long-term surface protection and a clean installed appearance. Part number 830-21039R is built to match the listed fitment and dimensional requirements for the specified rear right applications.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Genesis | G70 | — | — | — | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2024 | Genesis | G70 | — | — | — | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2023 | Genesis | G70 | — | 3.3L | V6 | Rear Right | 4 Piston Front Calipers; DFC Geoperformance Rotor - Drilled and Slotted |
| 2023 | Kia | Stinger | — | 3.3L | V6 | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2022 | Genesis | G70 | — | 3.3L | V6 | Rear Right | 4 Piston Front Calipers; DFC Geoperformance Rotor - Drilled and Slotted |
| 2022 | Kia | Stinger | — | 3.3L | V6 | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2021 | Genesis | G70 | Manual | 2.0L | L4 | Rear Right | Brembo Brakes; DFC Geoperformance Rotor - Drilled and Slotted |
| 2021 | Kia | Stinger | — | 3.3L | V6 | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2020 | Genesis | G70 | Manual | 2.0L | L4 | Rear Right | Brembo Brakes; DFC Geoperformance Rotor - Drilled and Slotted |
| 2020 | Kia | Stinger | — | 3.3L | V6 | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2019 | Genesis | G70 | Manual | 2.0L | L4 | Rear Right | Brembo Brakes; DFC Geoperformance Rotor - Drilled and Slotted |
| 2019 | Kia | Stinger | — | 3.3L | V6 | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
| 2018 | Kia | Stinger | — | 3.3L | V6 | Rear Right | DFC Geoperformance Rotor - Drilled and Slotted |
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