Centric 121.84001 Disc Brake Rotor - Rear

Reliable Centric C-TEK Standard Disc Brake Rotor Overview

The Centric C-TEK Standard Disc Brake Rotor 121.84001 offers a vented design with an integrated ABS tone ring, engineered for consistent braking performance. This rotor is designed to meet OEM specifications, providing a smooth surface and precise fitment for various vehicle applications.

• Vented disc brake rotor for improved heat dissipation
• Includes ABS tone ring for compatibility with anti-lock braking systems
• Overall diameter of 380 mm (14.961 inches) and overall height of 180.7 mm (7.114 inches)
• Nominal thickness of 36.5 mm (1.437 inches) with discard thickness at 33.53 mm (1.320 inches)
• 10 mounting bolt holes with a bolt circle diameter of 285.8 mm (11.252 inches)
• U-shaped cast-in ABS ring with 40 OEM vane count for optimal cooling
• Disc mounts behind the hub for proper alignment and fit

Detailed Product Description

The Centric C-TEK Standard Disc Brake Rotor 121.84001 is engineered with a vented design featuring 40 vanes to enhance airflow and reduce heat buildup during braking. The smooth surface finish ensures consistent pad contact and braking efficiency. This rotor includes a cast-in U-shaped ABS tone ring, which is essential for vehicles equipped with ABS systems, providing accurate wheel speed sensor readings. With an overall diameter of 380 mm and a thickness specification that aligns with OEM standards, this rotor is designed for durability and reliable stopping power. The 10 mounting bolt holes and precise bolt circle diameter ensure a secure fit behind the hub, maintaining proper alignment and rotor stability.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading to a rotor compatible with ABS-equipped vehicles
• Resolving brake noise due to uneven rotor surfaces
• Addressing reduced braking performance from rotor thickness below discard limits
• Ensuring proper fitment for vehicles requiring 10-bolt mounting patterns

Installation Notes and Tips

• Verify rotor thickness before installation; discard thickness is 33.53 mm
• Ensure mounting surface and hub are clean and free of debris
• Torque mounting bolts to manufacturer specifications for secure fit
• Check ABS sensor alignment with the integrated tone ring during installation
• Inspect brake pads for wear and replace if necessary to maintain optimal braking

Quality Assurance and Warranty

Centric's C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring consistent quality and performance. While specific warranty details for part number 121.84001 are not provided, Centric typically offers coverage against defects in materials and workmanship. Users should consult Centric's warranty policy or authorized distributors for exact terms.