DuraGo BR31309 Disc Brake Rotor - Front

Durable Cast Iron Disc Brake Rotor for Hyundai and Kia

The DuraGo BR31309 disc brake rotor is engineered for reliable braking performance on select Hyundai and Kia models. Designed with vented construction and precise dimensions, this rotor supports consistent heat dissipation and smooth stopping power for vehicles like the Hyundai Sonata, Kia Optima, and Hyundai Magentis.

• Material: Full cast iron construction for durability
• Vented rotor design to improve heat dissipation
• Outside diameter: 10.12 inches (257 mm)
• Nominal thickness: 0.97 inches (24.6 mm)
• Discard thickness: 0.88 inches (22.4 mm)
• Overall height: 1.87 inches (47.5 mm)
• Mounting bolt hole quantity: 4 with 0.5 inch (12.8 mm) diameter
• Non-directional brake surface for versatile installation
• Conventional rotor type without ABS tone ring

Technical Details and Construction

The DuraGo BR31309 rotor is made from full cast iron, providing a solid and durable braking surface. Its vented design allows air to flow between the rotor faces, reducing heat buildup during braking and helping to maintain consistent performance. With a nominal thickness of 0.97 inches and a discard thickness of 0.88 inches, this rotor meets the specifications required for safe replacement on compatible vehicles. The rotor features a 10.12-inch outside diameter and an overall height of 1.87 inches, ensuring proper fitment and alignment with the braking system.

Compatible Vehicles and Applications

This disc brake rotor is compatible with several Hyundai and Kia models, including the Hyundai Sonata, Hyundai Magentis, and Kia Optima. It is designed to replace original equipment rotors on these vehicles, providing a direct fit and reliable braking performance. The part number BR31309 should be referenced to confirm compatibility with your specific vehicle year and trim.

• Replacement for worn or warped rotors on Hyundai Sonata
• Restores braking efficiency on Kia Optima models
• Addresses rotor thickness below discard limits on Hyundai Magentis
• Improves heat management in braking systems
• Eliminates vibration or noise caused by damaged rotors

Installation Notes and Tips

When installing the DuraGo BR31309 rotor, ensure the mounting surface is clean and free of rust or debris. This rotor does not include an ABS tone ring, so verify your vehicle’s sensor requirements before installation. Use proper torque specifications on the 4 mounting bolts to secure the rotor. It is recommended to replace brake pads simultaneously to maintain optimal braking performance and rotor longevity.

Quality Assurance and Warranty

DuraGo rotors are manufactured to meet or exceed industry standards for material quality and dimensional accuracy. While this product does not include a rust-resistant coating, the full cast iron construction provides reliable durability under normal operating conditions. Please consult the manufacturer or distributor for specific warranty details related to the BR31309 rotor.