Dynamite Friction 631-21014R Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-21014R) is engineered for reliable braking performance on select Hyundai and Kia vehicles. Designed with a directional slotted and drilled surface, this rotor enhances heat dissipation and braking consistency for models like the Hyundai Sonata and Kia Optima.

• Directional slotted and drilled disc surface for improved heat management
• Nominal thickness of 10 mm with a discard thickness of 8 mm
• Zinc silver hat finish with rust-resistant coating for durability
• Compatible bolt hole diameter of 12.5 mm and 5 lug holes
• Outside diameter measures 284 mm with a height of 32 mm
• Center hole diameter of 76 mm and bolt circle diameter of 114.3 mm

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is crafted to meet the specific braking needs of Hyundai and Kia vehicles including the Azera, Cadenza, Elantra GT, Forte, Forte5, Ioniq, K4, K5, Kona, Niro, Niro EV, Optima, Sonata, and Soul EV. The rotor’s directional surface combines drilled holes and slots to help evacuate gases, dust, and water, reducing brake fade and maintaining consistent stopping power. The plain disc finish paired with a zinc silver hat finish and rust-resistant coating extends the rotor’s service life by protecting against corrosion. With a bolt hole quantity of five and a bolt hole diameter of 12.5 mm, this rotor fits securely on compatible wheel hubs. The rotor’s dimensions, including a 284 mm outside diameter and 32 mm height, align with factory specifications for proper fitment and performance.

About the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver product line from Dynamite Friction focuses on rotors that combine drilled and slotted surfaces with corrosion-resistant finishes. This line is designed to provide enhanced braking performance and durability for a range of passenger vehicles. The silver zinc coating on the rotor hat and rust-resistant treatment help maintain rotor integrity under various driving conditions, making it suitable for both daily driving and more demanding braking scenarios.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves water and debris evacuation for consistent braking in wet conditions
• Minimizes rotor warping caused by heat buildup
• Prevents rust and corrosion on rotor surfaces
• Restores proper braking performance on Hyundai and Kia models listed

Installation Notes and Tips

When installing the Dynamite Friction 631-21014R rotor, ensure the rotor surface is clean and free of any protective coatings before mounting. Verify the bolt hole pattern matches the vehicle hub (5 lug holes, 12.5 mm diameter) and torque lug nuts to manufacturer specifications. Because this rotor features a directional surface, install it with the correct rotation direction indicated on the rotor to maintain optimal performance. It is recommended to replace brake pads simultaneously to ensure even wear and braking efficiency.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-21014R rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided here, Dynamite Friction products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.