Centric 121.33112 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.33112

The Centric C-TEK Standard Disc Brake Rotor 121.33112 is engineered for reliable braking performance on select Audi and Volkswagen models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for vehicles like the Audi S3 and Volkswagen Golf R.

• Vented disc brake rotor with straight vane design for effective cooling
• Nominal thickness of 1.177 inches (29.9 mm) and discard thickness of 1.063 inches (27 mm)
• Outside diameter measures 13.583 inches (345 mm) for precise fitment
• Floating disc mounting style with 5 stud/lug holes (0.602 inch diameter)
• Compatible with Audi and Volkswagen models including Passat, Passat CC, CC, R32, Golf R, and S3
• Center hole diameter of 2.559 inches (65 mm) and mounting bolt hole circle diameter of 4.409 inches (112 mm)
• Weight approximately 27.25 lbs (12.39 kgs) for balanced performance

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering dependable, OE-quality replacement rotors. This product line emphasizes precise fitment and consistent braking performance, making it suitable for daily driving conditions. The 121.33112 rotor maintains the original equipment specifications, including vented design and smooth surface finish, to ensure compatibility and reliable operation on Audi and Volkswagen vehicles.

Detailed Product Description

This Centric disc brake rotor features a vented design with straight vanes that promote efficient heat dissipation during braking, reducing the risk of brake fade. The smooth surface type ensures even pad contact and wear. With a nominal thickness of 1.177 inches and a discard thickness of 1.063 inches, this rotor provides a clear service life indicator. The floating disc mounting style and 5-lug hole configuration match factory specifications for models such as the Audi Passat CC and Volkswagen R32. The rotor’s overall height of 1.961 inches and outside diameter of 13.583 inches ensure proper alignment and fitment.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Audi CC and Volkswagen Golf R models
• Addresses rotor thickness below manufacturer discard limits
• Improves heat dissipation to reduce brake fade during extended use
• Compatible upgrade for vehicles experiencing uneven pad wear

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface to remove any protective coating prior to mounting
• Check compatibility with vehicle ABS system; this rotor does not include an ABS tone ring
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to maintain optimal braking performance

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.33112 should be confirmed with the supplier, Centric generally offers coverage against defects in materials and workmanship. This rotor is produced with quality materials and precision engineering to ensure consistent braking performance on compatible Audi and Volkswagen vehicles.