Centric 121.33099 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.33099

The Centric C-TEK Standard Disc Brake Rotor 121.33099 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 like the Audi A3 and Volkswagen Jetta.

• Compatible with Audi A3, A3 Quattro, Volkswagen GTI, Jetta, Passat, and Tiguan
• Part number 121.33099 for precise identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter of 11.264 inches (286.1 mm)
• Nominal thickness of 0.469 inches (11.9 mm) and discard thickness of 0.394 inches (10.0 mm)
• Overall height measures 1.909 inches (48.5 mm)
• Floating disc mounting design with 5 stud/lug holes
• Center hole diameter of 2.559 inches (65.0 mm) and mounting bolt hole circle diameter of 4.413 inches (112.1 mm)
• Weight approximately 10.6 lbs (4.82 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 standard braking applications. This product line focuses on providing rotors with consistent dimensions and quality materials, ensuring proper fitment and reliable performance for vehicles such as the Audi A3 and Volkswagen Passat. The 121.33099 rotor exemplifies this line’s commitment to durability and precise engineering.

Technical Details and Specifications

This Centric rotor features a solid construction with a smooth surface type, which is typical for standard replacement rotors. The nominal thickness of 0.469 inches (11.9 mm) ensures adequate material for effective heat dissipation, while the discard thickness of 0.394 inches (10.0 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s outside diameter of 11.264 inches (286.1 mm) and overall height of 1.909 inches (48.5 mm) are designed to match factory specifications for proper brake system operation. The floating disc mounting and 5 lug holes with a diameter of 0.602 inches (15.3 mm) provide secure installation and compatibility with the specified Audi and Volkswagen models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A3 and Volkswagen GTI
• Restores braking performance affected by rotor thickness below discard limits
• Addresses brake pulsation caused by uneven rotor surfaces
• Suitable for vehicles experiencing noise or vibration during braking
• Maintains proper rotor dimensions for safe and effective brake pad contact

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets nominal specifications
• Clean rotor surface and hub mounting area to prevent uneven wear or vibration
• Use proper torque specifications on lug nuts to avoid rotor distortion
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize braking performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 121.33099 are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult product documentation or the manufacturer for exact warranty terms.