Centric 121.33090 Disc Brake Rotor - Front Left

Reliable Disc Brake Rotor for Audi, Porsche, and Volkswagen

The Centric C-TEK Standard Disc Brake Rotor 121.33090 is engineered for precise braking performance on Audi Q7, Porsche Cayenne, and Volkswagen Touareg models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Vented disc brake rotor with curved vane design for enhanced cooling
• Nominal thickness of 1.335 inches (33.9 mm) with discard thickness at 1.260 inches (32.0 mm)
• Overall height of 2.709 inches (68.8 mm) and outside diameter of 13.780 inches (350 mm)
• Floating disc mounting with 5 lug holes, 0.610 inch (15.5 mm) diameter each
• Solid smooth surface type without ABS tone ring included
• Weight approximately 26.5 lbs (12.05 kgs) for balanced performance

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards, providing reliable braking performance and durability. This product line focuses on delivering rotors with precise dimensions and quality materials suitable for daily driving and moderate performance needs. The 121.33090 rotor fits within this line, offering vented construction and a smooth surface to maintain consistent braking feel on compatible vehicles.

Product Details and Specifications

This Centric rotor features a vented design with curved vanes that promote efficient heat dissipation, reducing the risk of brake fade during extended use. The rotor’s nominal thickness is 1.335 inches (33.9 mm), with a discard thickness of 1.260 inches (32.0 mm), ensuring a clear service limit for replacement. The overall height measures 2.709 inches (68.8 mm), and the outside diameter is 13.780 inches (350 mm), matching OEM fitment requirements. It mounts using a floating disc system with a 5-lug hole pattern, each hole measuring 0.610 inches (15.5 mm) in diameter, and a mounting bolt hole circle diameter of 5.118 inches (130 mm). The rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Improving heat management in braking systems prone to overheating
• Restoring proper rotor dimensions for safe and consistent stopping power
• Compatible with Audi Q7, Porsche Cayenne, and Volkswagen Touareg models requiring part number 121.33090

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard limit of 1.260 inches (32.0 mm) to maintain safety standards. Use proper torque specifications for the 5 lug bolts and confirm the floating disc mounting is correctly aligned. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, providing reliable performance and durability. While specific warranty details for part number 121.33090 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.