Centric 121.33020 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.33020

The Centric C-TEK Standard Disc Brake Rotor 121.33020 is engineered for reliable braking performance on select Audi models. Designed as a solid, smooth-surface rotor, it provides consistent stopping power for Audi 80, 90, Cabriolet, and Coupe vehicles.

• Compatible with Audi 80, 90, Cabriolet, and Coupe models
• Part number 121.33020 for precise identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 245 mm (9.646 inches)
• Nominal thickness: 10.000 mm (0.394 inches)
• Discard thickness: 8.000 mm (0.315 inches)
• Overall height: 59.300 mm (2.335 inches)
• Floating disc mounting design
• 4 stud/lug holes with 15.300 mm diameter
• Center hole diameter: 68.000 mm (2.677 inches)
• Weight approximately 8.07 lbs (3.67 kgs)

Details on the C-TEK Standard Disc Brake Rotors Line

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 consistent performance with solid rotors featuring smooth surfaces, suitable for everyday driving conditions. The 121.33020 rotor fits within this line, providing a direct replacement option for compatible Audi models without ABS tone ring or included bearings.

Technical Specifications and Features

This Centric rotor features a solid construction with a smooth surface type, ensuring even pad contact and reliable braking response. The rotor’s outside diameter measures 245 mm, with a nominal thickness of 10 mm and a discard thickness of 8 mm, indicating when replacement is necessary to maintain safe braking. The overall height of 59.3 mm supports proper fitment and alignment. The floating disc mounting design helps accommodate slight movement, reducing stress on the braking system. The rotor includes four stud/lug holes with a diameter of 15.3 mm and a mounting bolt hole circle diameter of 108 mm, ensuring compatibility with the specified Audi models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Audi 80, 90, Cabriolet, and Coupe
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness for effective braking
• Eliminates noise and vibration from damaged rotors
• Supports safe stopping performance under normal driving conditions

Installation Notes and Tips

• Verify rotor dimensions and part number 121.33020 before installation
• Ensure mating surfaces are clean and free of debris
• Check brake pads for wear and replace if necessary
• Torque mounting bolts to manufacturer specifications
• Perform a test drive to confirm proper brake function after installation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Using this rotor ensures compatibility and reliable braking performance for the specified Audi models.