Centric 121.51014 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Hyundai and Kia Vehicles

The Centric 121.51014 disc brake rotor is engineered to provide consistent braking performance for select Hyundai and Kia models. Designed specifically for vehicles like the Hyundai Sonata and Kia Optima, this rotor ensures precise fitment and dependable stopping power.

• Part Number: 121.51014
• Brand: Centric
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented rotor design for improved heat dissipation
• Nominal thickness: 0.965 inches (24.5 mm)
• Discard thickness: 0.882 inches (22.4 mm)
• Outside diameter: 10.118 inches (257 mm)
• Overall height: 1.870 inches (47.5 mm)
• Center hole diameter: 2.717 inches (69 mm)
• Mounting bolt hole circle diameter: 4.5 inches (114.3 mm)
• 4 stud/lug holes with 0.492 inch (12.5 mm) diameter
• Smooth surface type for consistent pad contact
• Floating disc mounting with straight vane style

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on delivering reliable performance with vented rotor construction to help manage heat buildup during braking. The 121.51014 rotor is part of this line, providing a balance of durability and fitment precision for Hyundai and Kia vehicles such as the Sonata, Optima, and Magentis.

Technical Details and Specifications

This vented disc brake rotor features a nominal thickness of 0.965 inches (24.5 mm) and a discard thickness of 0.882 inches (22.4 mm), ensuring it maintains structural integrity throughout its service life. The rotor’s outside diameter measures 10.118 inches (257 mm), with an overall height of 1.870 inches (47.5 mm). It includes a center hole diameter of 2.717 inches (69 mm) and a mounting bolt hole circle diameter of 4.5 inches (114.3 mm), designed for a 4-lug stud pattern with 0.492 inch (12.5 mm) diameter holes. The smooth surface type promotes even brake pad wear, while the floating disc mounting and straight vane style enhance heat dissipation and rotor longevity.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Hyundai Sonata, Kia Optima, and Magentis
• Addresses brake pulsation and vibration issues caused by rotor irregularities
• Improves braking consistency and reduces noise from uneven rotor surfaces
• Helps prevent overheating and brake fade during extended use
• Restores proper rotor thickness to maintain safe braking performance

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness is within specifications before mounting. Use proper torque settings on lug nuts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so confirm compatibility with your vehicle’s braking system. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.51014 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.