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Dynamite Friction 631-21042L Disc Brake Rotor - Rear Left
Overview of DFC Brake Rotor - Drilled and Slotted - Silver
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-21042L) is engineered for reliable braking performance on Hyundai and Kia vehicles. Designed specifically for models like the Hyundai Nexo, Sportage, and Tucson, this rotor combines durability with enhanced heat dissipation.
- Disc type: Drilled and slotted for improved cooling and debris removal
- Nominal thickness: 10 mm with a discard thickness of 8.4 mm
- Outside diameter: 302 mm for precise fitment
- Hat finish: Zinc silver coating for corrosion resistance
- Rust resistant coating applied to extend rotor life
- Bolt hole quantity: 5 with 12.4 mm diameter holes
- Directional brake surface for optimized braking efficiency
- Bolt circle diameter: 114.3 mm and center hole diameter: 76 mm
Detailed Product Description
The DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is a disc brake rotor designed to meet the specific braking needs of Hyundai and Kia vehicles, including the Nexo, Sportage, and Tucson models. Its drilled and slotted surface improves heat dissipation and helps prevent brake fade during extended use. The rotor features a nominal thickness of 10 mm and a discard thickness of 8.4 mm, ensuring a long service life before replacement is necessary. The zinc silver hat finish and rust resistant coating protect against corrosion, maintaining rotor integrity in various driving conditions. With a 5-bolt hole pattern and a bolt circle diameter of 114.3 mm, this rotor fits securely and maintains proper alignment for consistent braking performance.
About the DFC Brake Rotor - Drilled and Slotted - Silver Line
The DFC Brake Rotor - Drilled and Slotted - Silver product line by Dynamite Friction focuses on rotors that combine drilled holes and slots to enhance braking efficiency and rotor cooling. This design helps reduce heat buildup and removes brake dust and gases, which can improve pad contact and reduce brake fade. The silver zinc coating on the rotor hat adds corrosion resistance, making it suitable for vehicles exposed to moisture and road salts. This line is tailored for drivers seeking rotors that balance performance and durability for their Hyundai and Kia vehicles.
Common Applications and Problem Solving
- Reduces brake fade during heavy braking or downhill driving
- Improves heat dissipation to extend rotor and pad life
- Helps prevent rust and corrosion on the rotor surface
- Maintains consistent braking performance under varied conditions
- Addresses vibration or noise issues caused by uneven rotor surfaces
Installation Notes and Tips
Ensure the rotor surface is clean and free of any protective coatings before installation. Verify the bolt hole pattern and diameter match your vehicle’s specifications. Use proper torque settings on lug nuts to avoid rotor warping. It is recommended to replace brake pads when installing new rotors to ensure optimal braking performance. Check rotor thickness regularly and replace when it reaches the discard thickness of 8.4 mm.
Quality Assurance
Dynamite Friction manufactures the 631-21042L rotor to meet industry standards for durability and performance. The rust resistant coating and zinc silver hat finish contribute to long-term reliability. While specific warranty details are not provided, this rotor is designed to maintain consistent braking performance throughout its service life when installed and maintained properly.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-21042L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Rear Left |
| Discard Thickness | 8.4 |
| Nominal Thickness | 10 |
| Bolt Hole Diameter | 12.4 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Outside Diameter | 302 |
| Height | 31.2 |
| Surface Type | Slotted x drilled |
| Center Hole Diameter | 76 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2024 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2023 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2022 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2022 | Kia | Sportage | SX Turbo | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2021 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2021 | Hyundai | Tucson | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2021 | Kia | Sportage | EX | 2.4L | L4 | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver |
| 2021 | Kia | Sportage | S | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2021 | Kia | Sportage | SX Turbo | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2020 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2020 | Hyundai | Tucson | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2020 | Kia | Sportage | EX | 2.4L | L4 | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver |
| 2020 | Kia | Sportage | S | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2020 | Kia | Sportage | SX Turbo | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2019 | Hyundai | Nexo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2019 | Hyundai | Tucson | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2019 | Kia | Sportage | SX Turbo | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2018 | Kia | Sportage | SX Turbo | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2017 | Kia | Sportage | SX Turbo | Rear Left | Electric Parking Brake compatible disc brake rotor; DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.