Centric 121.33134 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.33134

The Centric C-TEK Standard Disc Brake Rotor 121.33134 is engineered for reliable braking performance on select Audi models. Designed specifically for vehicles like the Audi A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, and S7, this vented rotor meets precise fitment and durability requirements.

• Compatible with Audi A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, and S7
• Part number 121.33134 ensures exact replacement fit
• Vented disc design with pillar-style vanes for heat dissipation
• Nominal thickness of 1.335 inches (33.9 mm) and discard thickness of 1.240 inches (31.5 mm)
• Outside diameter of 14.016 inches (356 mm) for proper rotor coverage
• Floating disc mounting and smooth surface type for consistent braking
• Five stud/lug holes with 0.602 inch (15.3 mm) diameter for secure installation

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 delivering reliable performance with vented rotors that help manage heat buildup during braking. The 121.33134 rotor is part of this line, providing a balance of durability and fitment precision for Audi vehicles requiring a vented, floating rotor design.

Technical Specifications and Features

This Centric rotor features a vented design with pillar-style vanes that improve airflow and heat dissipation, reducing the risk of brake fade during extended use. The rotor has a nominal thickness of 1.335 inches (33.9 mm) and a discard thickness of 1.240 inches (31.5 mm), indicating when replacement is necessary to maintain braking efficiency. The overall height measures 2.051 inches (52.1 mm), and the outside diameter is 14.016 inches (356 mm), ensuring compatibility with the specified Audi models. The rotor includes a floating disc mounting system and a smooth surface type to provide consistent pad contact and braking performance. It does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A6, A7, A8, and S7 models
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Helps restore proper braking performance and pedal feel
• Reduces overheating and brake fade with vented rotor design
• Ensures secure fitment with correct bolt hole pattern and dimensions

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.33134, ensure the rotor is mounted on a clean, rust-free hub surface. Verify the rotor thickness before installation to confirm it is above the discard thickness of 1.240 inches (31.5 mm). Use the correct torque specifications for the five lug holes with 0.602 inch (15.3 mm) diameter studs. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. Proper bedding-in of brake pads after installation is recommended to optimize braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet stringent quality standards, ensuring consistent performance and durability. The 121.33134 rotor undergoes rigorous testing to comply with OEM specifications for fit, form, and function. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms related to this rotor.