Centric 121.51011 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.51011

The Centric C-TEK Standard Disc Brake Rotor 121.51011 is engineered for reliable braking performance on select Hyundai and Kia vehicles. Designed as a solid rotor with a smooth surface, it provides consistent stopping power for models like the Hyundai Sonata and Kia Optima.

• Compatible with Hyundai Magentis, Sonata, Tucson, and Kia Optima, Sportage, XG300, XG350
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 10.315 inches (262 mm)
• Nominal thickness: 0.394 inches (10.000 mm)
• Discard thickness: 0.331 inches (8.400 mm)
• Overall height: 2.402 inches (61.000 mm)
• 5 lug holes with 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter: 2.996 inches (76.1 mm)
• Weight approximately 9.25 lbs (4.2 kg)
• ABS tone ring not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a range of rotors designed to meet OEM specifications for standard braking applications. This product line focuses on delivering consistent performance and durability with solid rotor construction and smooth surfaces, suitable for everyday driving conditions on compatible Hyundai and Kia vehicles.

Detailed Product Description

This Centric disc brake rotor 121.51011 features a solid design that ensures uniform heat dissipation and structural integrity. The rotor's nominal thickness of 0.394 inches (10.000 mm) and discard thickness of 0.331 inches (8.400 mm) provide clear service limits for maintenance. With an outside diameter of 10.315 inches (262 mm) and an overall height of 2.402 inches (61 mm), it fits precisely on the specified Hyundai and Kia models. The rotor includes five lug holes arranged on a 4.5 inch (114.3 mm) bolt circle diameter, and a center hole diameter of 2.996 inches (76.1 mm), ensuring proper mounting and alignment. This rotor does not include an ABS tone ring or bearings, so it is intended for vehicles without ABS tone ring requirements or where the existing tone ring is retained.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Hyundai Sonata and Kia Optima
• Restores braking performance on Hyundai Tucson and Kia Sportage
• Eliminates brake pulsation caused by uneven rotor surfaces
• Addresses rotor thickness below manufacturer discard limits
• Suitable for routine maintenance on Hyundai Magentis and Kia XG300/XG350

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with vehicle before installation
• Ensure hub surface is clean and free of rust for proper rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.51011 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms applicable to this rotor.