Centric 121.33107 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Audi A4, A6, and A8 Models

The Centric C-TEK Standard Disc Brake Rotor 121.33107 is engineered to meet the braking demands of Audi A4, A4 Quattro, A6, A6 Quattro, A8, and A8 Quattro vehicles. Designed with precision, this vented rotor ensures consistent performance and durability for your vehicle's braking system.

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, A8, and A8 Quattro
• Part number 121.33107 for exact fitment
• Vented disc design with straight vane style for improved heat dissipation
• Nominal thickness of 0.980 inches (24.9 mm) and discard thickness of 0.906 inches (23.0 mm)
• Overall height of 1.823 inches (46.3 mm) and outside diameter of 12.283 inches (312 mm)
• Floating disc mounting with 5 lug holes, 0.610 inch (15.5 mm) diameter each
• Smooth surface type for consistent pad contact

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing rotors with precise dimensions and quality materials to ensure proper fit and function. The 121.33107 rotor features a vented hat and straight vane style, which helps maintain optimal braking performance by effectively managing heat buildup during operation.

Product Details and Specifications

This Centric rotor has a nominal thickness of 0.980 inches (24.9 mm) and a discard thickness of 0.906 inches (23.0 mm), indicating when the rotor should be replaced to maintain safe braking. The vented design with straight vanes improves airflow and cooling, reducing the risk of brake fade. The rotor's overall height is 1.823 inches (46.3 mm), and it has an outside diameter of 12.283 inches (312 mm), ensuring compatibility with specified Audi models. It features a floating disc mounting system and includes one miscellaneous hole in the center, with no ABS tone ring or bearings included.

Common Issues Addressed by This Rotor

• Brake pulsation or vibration due to warped rotors
• Reduced braking efficiency from worn or thin rotors
• Overheating and brake fade during extended use
• Uneven brake pad wear caused by rotor surface irregularities
• Noise or squealing related to rotor surface condition

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 0.906 inches before installation. Clean the rotor surface to remove any protective coatings or debris. Verify the 5-lug hole pattern and center hole diameter of 2.677 inches (68 mm) match your vehicle specifications. Use proper torque settings on mounting bolts and inspect brake pads for wear during installation. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle's braking system components.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.33107 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or manufacturer resources for complete warranty information.