Centric 121.51031 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.51031

The Centric C-TEK Standard Disc Brake Rotor 121.51031 is engineered for reliable braking performance on Hyundai Genesis models. Designed as a solid rotor with a smooth surface, it meets precise specifications to ensure consistent stopping power and durability.

• Compatible with Hyundai Genesis vehicles
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 12.362 inches (314 mm)
• Nominal thickness: 0.512 inches (13.000 mm)
• Discard thickness: 0.449 inches (11.400 mm)
• Overall height: 2.402 inches (61.000 mm)
• Center hole diameter: 2.717 inches (69.000 mm)
• Mounting bolt hole circle diameter: 114.300 mm (4.500 inches)
• 5 stud/lug holes, each 0.492 inches (12.500 mm) in diameter
• Weight approximately 15.2 lbs (6.91 kgs)
• ABS tone ring not included

Product Line Details: C-TEK Standard Disc Brake Rotors

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 providing solid rotors with smooth surfaces, suitable for vehicles requiring dependable, consistent braking without additional features like venting or ABS tone rings. The 121.51031 rotor fits within this line, delivering precise dimensions and quality construction for Hyundai Genesis models.

Technical Description and Specifications

This Centric disc brake rotor is a solid type, meaning it does not have vented channels for cooling but provides a uniform surface for brake pad contact. The rotor’s outside diameter measures 12.362 inches (314 mm), with a nominal thickness of 0.512 inches (13.000 mm) and a discard thickness of 0.449 inches (11.400 mm), indicating the minimum thickness before replacement is necessary. The overall height is 2.402 inches (61.000 mm), and it features a center hole diameter of 2.717 inches (69.000 mm) to fit securely on the hub. The mounting bolt hole circle diameter is 114.3 mm (4.5 inches), accommodating five lug holes each 0.492 inches (12.5 mm) in diameter. This rotor weighs approximately 15.2 pounds (6.91 kilograms), balancing durability and ease of installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Hyundai Genesis models
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency
• Eliminates noise and vibration from damaged or scored rotors
• Ensures safe braking performance by meeting OEM fitment standards

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets discard specifications
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check compatibility with vehicle ABS system; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize rotor performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 121.51031 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult Centric’s official warranty policy or authorized distributors for exact terms.