Centric 121.33129 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.33129

The Centric C-TEK Standard Disc Brake Rotor 121.33129 is engineered for reliable braking performance on select Audi and Volkswagen models. Designed as a solid, smooth-surface rotor, it provides consistent stopping power for vehicles such as the Audi A3, Volkswagen Jetta, and Passat CC.

• Compatible with Audi A3, A3 Quattro, and Volkswagen Bora, CC, Eos, GTI, Jetta, Passat, Passat CC, Q3, Q3 Quattro, Tiguan, and Tiguan Limited
• Part number 121.33129 for precise identification
• Solid disc rotor with smooth surface type for steady braking
• Nominal thickness of 0.472 inches (12.000 mm) and discard thickness of 0.394 inches (10.000 mm)
• Overall height of 1.898 inches (48.200 mm) and outside diameter of 11.102 inches (282.000 mm)
• Floating disc mounting with 5 stud/lug holes (0.602 inches / 15.300 mm diameter)
• Does not include ABS tone ring or bearings

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a direct replacement solution designed to meet or exceed OEM specifications. This product line focuses on providing rotors with precise dimensions and consistent surface finishes, ensuring compatibility and reliable braking performance for a range of vehicles. The 121.33129 rotor exemplifies this approach with its solid construction and exact fitment for various Audi and Volkswagen models.

Detailed Product Description

This Centric disc brake rotor features a solid design with a smooth surface, optimized for consistent brake pad contact and heat dissipation. The rotor measures 11.102 inches (282 mm) in outside diameter and has a nominal thickness of 0.472 inches (12 mm), with a discard thickness of 0.394 inches (10 mm), indicating when replacement is necessary. The overall height is 1.898 inches (48.2 mm), and it mounts using a floating disc mounting system with a 5-lug pattern and a bolt hole circle diameter of 4.409 inches (112 mm). The center hole diameter is 2.559 inches (65 mm). This rotor does not include an ABS tone ring or bearings, so those components must be sourced separately if required.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores proper braking performance on Audi A3 and Volkswagen Passat models
• Addresses rotor thickness below discard limits to maintain safety
• Eliminates uneven brake pad wear due to rotor surface imperfections
• Suitable for vehicles experiencing reduced braking efficiency or vibration

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard specifications
• Clean rotor surface and hub mounting area to prevent uneven contact
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS system since this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes quality control inspections to ensure dimensional accuracy and surface finish consistency. While specific warranty details for part number 121.33129 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms.