Centric 121.66017 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.66017

The Centric C-TEK Standard Disc Brake Rotor 121.66017 is engineered for reliable braking performance on Chevrolet, GMC, and Isuzu trucks and SUVs. Designed specifically for models like the Chevrolet Blazer, GMC Jimmy, and Isuzu Hombre, this vented rotor supports consistent heat dissipation and smooth stopping power.

• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, S10, S10 Blazer, S15 Jimmy, and Sonoma
• Part number 121.66017 for precise identification
• Vented rotor design with straight vane style for improved cooling
• Includes ABS tone ring for enhanced anti-lock braking system functionality
• Nominal thickness of 1.035 inches (26.3 mm) and discard thickness of 0.965 inches (24.5 mm)
• Outside diameter of 10.472 inches (266 mm) and overall height of 4.311 inches (109.5 mm)
• 5 stud/lug hole quantity with 12 mm stud thread diameter and 1.5 mm bolt thread pitch
• Center hole diameter of 2.835 inches (72 mm) and mounting bolt hole circle diameter of 4.752 inches (120.7 mm)
• Solid smooth surface type for consistent pad contact
• Weight approximately 20.5 lbs (9.32 kgs)

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 delivering rotors that meet or exceed OEM specifications, featuring vented designs to help reduce heat buildup and maintain braking efficiency. The 121.66017 rotor is part of this line, providing a direct replacement solution for Chevrolet, GMC, and Isuzu vehicles requiring reliable disc brake performance.

Detailed Product Description

This Centric disc brake rotor is vented with straight vanes, which enhances airflow and heat dissipation during braking. The smooth surface finish ensures even brake pad wear and consistent friction. The rotor includes an ABS tone ring, which is essential for vehicles equipped with anti-lock braking systems, ensuring accurate wheel speed sensor readings. With a nominal thickness of 1.035 inches and a discard thickness of 0.965 inches, this rotor maintains structural integrity and safety throughout its service life. The 5-lug design with a 12 mm stud thread diameter and 1.5 mm bolt thread pitch matches factory specifications for secure mounting.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores braking performance on Chevrolet Blazer, GMC Jimmy, and Isuzu Hombre models
• Addresses ABS sensor issues by including the tone ring
• Improves heat management to reduce brake fade during heavy use
• Corrects rotor thickness below manufacturer discard limits

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet, GMC, or Isuzu models listed before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean mounting surfaces and hub to prevent rotor runout
• Torque lug nuts to manufacturer specifications to avoid rotor distortion
• Check ABS sensor alignment with the included tone ring during installation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards, ensuring durability and consistent braking performance. While specific warranty details for part number 121.66017 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms.