Centric 121.50040 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.50040

The Centric C-TEK Standard Disc Brake Rotor 121.50040 is engineered for reliable braking performance on Genesis G70, Hyundai Genesis, and Kia Stinger models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and braking efficiency for these vehicles.

• Compatible with Genesis G70, Hyundai Genesis, and Kia Stinger
• Part number 121.50040 for precise identification
• Vented disc brake rotor design for improved cooling
• Overall diameter of 12.598 inches (320 mm) and overall height of 2.244 inches (57 mm)
• Nominal thickness of 1.102 inches (28 mm) with discard thickness at 1.024 inches (26 mm)
• Floating disc mounting and 5 lug holes with 4.5 inch (114.3 mm) bolt circle diameter
• Smooth surface type without ABS tone ring included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering OEM-quality replacement rotors that meet or exceed factory specifications. This product line emphasizes durability and consistent braking performance, making it suitable for daily driving conditions on vehicles like the Genesis G70, Hyundai Genesis, and Kia Stinger. The 121.50040 rotor maintains precise dimensions and material standards to ensure proper fit and function within the braking system.

Technical Specifications and Features

This vented rotor features a nominal thickness of 1.102 inches (28 mm) and a discard thickness of 1.024 inches (26 mm), ensuring safe replacement intervals. The rotor's outside diameter measures 12.598 inches (320 mm), with an overall height of 2.244 inches (57 mm). It includes a floating disc mounting system and a 5-lug hole pattern with a 4.5 inch (114.3 mm) bolt circle diameter, designed to match factory mounting points. The rotor has a smooth surface finish and does not include an ABS tone ring or bearings. The OEM vane count is 48 with straight vane style, which supports effective heat dissipation during braking. The center hole diameter is 2.717 inches (69 mm), and the hat ID measures 6.276 inches (159.4 mm).

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Genesis G70, Hyundai Genesis, and Kia Stinger
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Restores proper braking performance and pedal feel
• Helps prevent overheating and brake fade during regular driving conditions
• Suitable for rotors that have reached discard thickness limits

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness to confirm it meets minimum specifications. Use proper torque settings on lug nuts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. It is recommended to replace brake pads simultaneously for 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 121.50040 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.