Centric 121.51039 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.51039

The Centric C-TEK Standard Disc Brake Rotor 121.51039 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 Santa Fe and Kia Sorento.

• Compatible with Hyundai Santa Fe, Santa Fe Sport, Santa Fe XL, Kia Sedona, and Sorento
• Solid disc brake rotor with smooth surface finish
• Nominal thickness of 0.433 inches (11.000 mm) and discard thickness of 0.370 inches (9.400 mm)
• Overall height of 2.815 inches (71.500 mm) and outside diameter of 11.894 inches (302.100 mm)
• Five lug holes with 0.492 inch (12.500 mm) diameter and 4.500 inch (114.300 mm) bolt circle diameter
• Center hole diameter of 2.717 inches (69.000 mm)
• Weight approximately 13.65 lbs (6.2 kgs)
• Does not include ABS tone ring or bearings

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers solid rotors designed for dependable, everyday braking needs. These rotors feature a smooth surface and are manufactured to meet or exceed OEM specifications, ensuring proper fit and function. The 121.51039 rotor is part of this line, providing a direct replacement solution for Hyundai and Kia vehicles requiring a solid rotor design without ABS tone rings.

Detailed Product Description

This Centric disc brake rotor is a solid type rotor with a smooth surface, optimized for consistent brake pad contact and heat dissipation. The nominal thickness of 0.433 inches (11.000 mm) ensures durability, while the discard thickness of 0.370 inches (9.400 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s overall height of 2.815 inches (71.500 mm) and outside diameter of 11.894 inches (302.100 mm) are designed to match OEM specifications for proper fitment and performance. The rotor includes five lug holes with a diameter of 0.492 inches (12.500 mm) arranged on a 4.500 inch (114.300 mm) bolt circle diameter, and a center hole diameter of 2.717 inches (69.000 mm) for secure mounting. This rotor does not include an ABS tone ring or bearings, making it suitable for vehicles without ABS sensor requirements.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking performance on Hyundai Santa Fe and Kia Sorento models
• Eliminates noise and vibration from uneven rotor surfaces
• Addresses rotor thickness below manufacturer discard limits
• Suitable for vehicles requiring solid rotors without ABS tone rings

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface and hub mounting area to prevent uneven wear
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS system as this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal rotor 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. The 121.51039 rotor undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product provider or manufacturer.