Centric 121.83020 Disc Brake Rotor - Front or Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.83020

The Centric C-TEK Standard Disc Brake Rotor 121.83020 is engineered for reliable braking performance in a variety of vehicle applications. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for vehicles requiring precise stopping power.

• Vented disc brake rotor design for improved cooling
• Overall diameter of 15.354 inches (390 mm) for compatibility with specific vehicle models
• Nominal thickness of 1.539 inches (39.1 mm) with discard thickness at 1.421 inches (36.1 mm)
• Mounting bolt hole quantity: 10, with 0.528 inch (13.4 mm) diameter holes
• Center hole diameter of 7.386 inches (187.6 mm) for proper hub fitment
• Weight approximately 41.45 lbs (18.8 kgs) ensuring balanced rotor mass
• Disc mounted behind the hub with a flat hat design and straight vane style

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering dependable, OE-quality replacement rotors. This product line emphasizes precise manufacturing tolerances and consistent material quality to meet or exceed original equipment specifications. The 121.83020 rotor is part of this line, providing a vented rotor option that supports effective heat management and long service life for compatible vehicles.

Technical Description and Specifications

This vented disc brake rotor features a smooth surface type designed to reduce brake pad wear and provide consistent friction. The rotor’s overall height measures 1.913 inches (48.6 mm), with a nominal thickness of 1.539 inches (39.1 mm) and a discard thickness of 1.421 inches (36.1 mm), indicating when replacement is necessary. The rotor includes 10 mounting bolt holes arranged on a 8.65 inch (219.7 mm) bolt circle diameter, each hole measuring 0.528 inches (13.4 mm) in diameter. The center hole diameter is 7.386 inches (187.6 mm), ensuring proper centering on the hub. The rotor is designed to mount behind the hub with a flat hat and straight vane style for efficient airflow and heat dissipation.

Compatible Vehicle Applications and Use Cases

• Replacement for worn or warped rotors causing brake pulsation or noise
• Upgrading from solid to vented rotors for improved heat dissipation
• Addressing rotor thickness below discard limits to maintain braking safety
• Resolving uneven brake pad wear due to rotor surface irregularities
• Suitable for vehicles requiring a 10-bolt mounting pattern with specified dimensions

Installation Notes and Tips

Ensure the rotor mounting surface and hub are clean and free of rust or debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. Since this rotor mounts behind the hub, confirm clearance and fitment during installation. Use proper torque specifications for mounting bolts to avoid rotor warping. This rotor does not include ABS tone rings or bearings, so verify compatibility with the vehicle’s braking system components.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring consistent performance and durability. While specific warranty details for part number 121.83020 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. For exact warranty terms, consult Centric’s official documentation or authorized distributors.