Centric 121.99048 Disc Brake Rotor - Front or Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.99048

The Centric C-TEK Standard Disc Brake Rotor 121.99048 is engineered for reliable braking performance on select Audi and Volkswagen models. Designed as a vented rotor with a smooth surface, it provides consistent heat dissipation and braking efficiency for vehicles like the Audi A3 and Volkswagen Polo.

• Vented disc brake rotor for improved cooling
• Nominal thickness of 0.866 inches (22.000 mm)
• Discard thickness at 0.748 inches (19.000 mm)
• Outside diameter of 10.071 inches (255.800 mm)
• Overall height of 1.445 inches (36.700 mm)
• Floating disc mounting design
• 5 lug holes with 0.618 inch (15.700 mm) diameter
• Center hole diameter of 2.559 inches (65.000 mm)
• Compatible with Audi and Volkswagen models including A1, A3, CrossFox, Lupo, Polo, SportVan, TT, TT Quattro, and Vento

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving conditions. This product line focuses on providing rotors with precise fitment and consistent performance, making them suitable replacements for original equipment on various Audi and Volkswagen vehicles. The 121.99048 rotor maintains the specifications required for proper brake system function, including vented design for heat management and a smooth surface for optimal pad contact.

Technical Details and Specifications

This disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The nominal thickness of 0.866 inches (22.000 mm) ensures durability, while the discard thickness of 0.748 inches (19.000 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s outside diameter measures 10.071 inches (255.800 mm), and the overall height is 1.445 inches (36.700 mm). It includes a floating disc mounting system and has five lug holes with a diameter of 0.618 inches (15.700 mm), matching the bolt circle diameter of 3.937 inches (100.000 mm). The center hole diameter is 2.559 inches (65.000 mm), designed to fit securely on the hub.

Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A1, A3, and TT models
• Restores braking performance on Volkswagen Polo, Lupo, and Vento vehicles
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during extended use
• Ensures proper rotor thickness for safe braking operation

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.99048, ensure the rotor surface is clean and free of any contaminants. Verify the rotor thickness before installation to confirm it meets or exceeds the nominal thickness specification. Use proper torque settings on the lug nuts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle’s braking system. It is recommended to replace brake pads simultaneously to ensure even wear and optimal braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for part number 121.99048 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide consistent braking performance for Audi and Volkswagen vehicles, including the A1, A3, CrossFox, Lupo, Polo, SportVan, TT, TT Quattro, and Vento models.