Centric 121.33106 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.33106

The Centric C-TEK Standard Disc Brake Rotor 121.33106 is engineered for reliable braking performance on Audi A4 and A4 Quattro models. Designed as a solid rotor with a smooth surface, it provides consistent stopping power and durability for everyday driving conditions.

• Compatible with Audi A4 and A4 Quattro
• Part number: 121.33106
• 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: 39.800 mm (1.567 inches)
• Floating disc mounting with 5 lug holes (0.610 inch diameter)
• Center hole diameter: 68.000 mm (2.677 inches)
• Weight: 8.2 lbs (3.73 kgs)

About 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 fit, form, and function. This product line focuses on providing solid rotors with smooth surfaces that ensure consistent brake pad contact and reliable braking performance. The 121.33106 rotor is part of this line, delivering a direct replacement solution for Audi A4 and A4 Quattro vehicles requiring a dependable disc brake rotor.

Technical Specifications and Features

This Centric rotor features a solid design with a smooth surface type, which helps maintain even pad wear and reduces noise during braking. The rotor measures 245 mm in outside diameter and has a nominal thickness of 10 mm, with a discard thickness of 8 mm, indicating when replacement is necessary. The overall height is 39.8 mm, and it mounts using a floating disc mounting system with a 5-lug hole pattern, each lug hole measuring 0.610 inches in diameter. The center hole diameter is 68 mm, ensuring proper fitment on compatible Audi models. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A4 and A4 Quattro
• Addresses brake pulsation and vibration issues
• Restores proper braking performance and pedal feel
• Eliminates uneven brake pad wear caused by rotor surface imperfections
• Suitable for routine maintenance and brake system overhauls

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (8.000 mm) before installation
• Clean rotor surface to remove any protective coatings or debris
• Verify correct lug hole alignment and center hole fitment on the hub
• Use proper torque specifications for mounting bolts to avoid rotor warping
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for quality and durability. While specific warranty details for part number 121.33106 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult product documentation or the manufacturer for exact warranty terms.