Centric 121.62118 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.62118

The Centric C-TEK Standard Disc Brake Rotor 121.62118 is engineered for reliable braking performance on Cadillac STS models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with Cadillac STS vehicles
• Part number 121.62118 for precise identification
• Vented disc brake rotor design for improved cooling
• Overall diameter of 12.441 inches (316 mm)
• Nominal thickness of 1.181 inches (30 mm) with discard thickness at 1.122 inches (28.5 mm)
• Floating disc mounting with straight vane style for efficient airflow
• 5 lug holes with a bolt circle diameter of 4.528 inches (115 mm)
• Center hole diameter of 2.783 inches (70.7 mm)
• Weight approximately 21.72 lbs (9.87 kgs)
• ABS tone ring and bearings not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for replacement rotors. This product line focuses on standard vented rotors with smooth surfaces, designed to meet or exceed OEM specifications. The 121.62118 rotor fits within this line, providing dependable braking performance for Cadillac STS models without additional features like ABS tone rings or bearings.

Detailed Product Description

This Centric disc brake rotor features a vented design with straight vanes that promote effective heat dissipation during braking, reducing the risk of rotor warping. The smooth surface finish ensures consistent pad contact and braking response. With a nominal thickness of 1.181 inches (30 mm) and a discard thickness of 1.122 inches (28.5 mm), this rotor maintains structural integrity throughout its service life. The floating disc mounting style allows for slight movement to accommodate thermal expansion and improve braking stability. The rotor’s 5-lug hole pattern with a 4.528-inch (115 mm) bolt circle diameter and a center hole diameter of 2.783 inches (70.7 mm) ensures proper fitment on compatible Cadillac STS vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Cadillac STS
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during extended use
• Restores proper rotor thickness for safe braking performance
• Suitable for vehicles experiencing noise or vibration from damaged rotors

Installation Notes and Tips

• Verify compatibility with Cadillac STS before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface before installation to remove any protective coatings
• Torque lug nuts to manufacturer specifications to avoid rotor distortion
• Check for proper rotor runout after installation to prevent uneven wear

Quality Assurance and Warranty

Centric provides quality-tested rotors manufactured to meet OEM standards. The C-TEK Standard Disc Brake Rotor 121.62118 undergoes rigorous inspection to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.