Centric 120.66044 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.66044

The Centric Premium Disc Brake Rotor 120.66044 is engineered for reliable braking performance on select Chevrolet and GMC trucks and vans. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and durability for heavy-duty applications.

• Compatible with Chevrolet Silverado 1500, 2500, 3500, Suburban 2500, Avalanche 2500
• Fits GMC Sierra 1500, 2500, 3500, Yukon XL 2500, Savana 2500/3500, Express 2500/3500
• Vented disc brake rotor with smooth surface finish
• Coated hat finish for corrosion resistance
• 8 bolt holes with 165.1 mm bolt circle diameter
• Nominal thickness: 1.142 inches (29 mm); discard thickness: 1.063 inches (27 mm)
• Outside diameter: 12.992 inches (330 mm); overall height: 3.673 inches (93.3 mm)

Product Line Details: Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that meet or exceed OEM standards for fit, form, and function. This product line features rotors with vented designs to improve heat dissipation and coated hats to resist rust and corrosion. The 120.66044 rotor is part of this line, providing a balance of durability and performance for Chevrolet and GMC heavy-duty trucks and vans.

Technical Specifications and Features

This disc brake rotor features a vented design that helps maintain optimal braking temperatures during heavy use. The smooth surface finish ensures consistent pad contact and braking efficiency. The rotor includes 8 bolt holes arranged on a 165.1 mm bolt circle diameter, compatible with the specified Chevrolet and GMC models. The coated hat finish protects against corrosion, extending rotor life. Key dimensions include a nominal thickness of 1.142 inches (29 mm) and a discard thickness of 1.063 inches (27 mm), with an outside diameter of 12.992 inches (330 mm) and an overall height of 3.673 inches (93.3 mm). This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD
• Restores braking performance on Chevrolet Express 3500 and GMC Savana 3500 vans
• Addresses brake pulsation and noise issues caused by rotor surface irregularities
• Improves heat dissipation to reduce brake fade during heavy towing or hauling
• Prevents corrosion-related rotor damage with coated hat finish

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 1.063 inches (27 mm) before installation. Clean the rotor surface and hub mounting area to remove rust and debris for proper fitment. Use the correct torque specifications for the 8 mounting bolts on the 165.1 mm bolt circle. This rotor is designed for floating/dih disc mounting and does not include bearings or ABS tone rings, so verify compatibility with your vehicle’s braking system. Proper bedding-in of brake pads after installation is recommended to optimize braking performance.

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet or exceed OEM standards for durability and performance. The 120.66044 rotor undergoes strict quality control to ensure precise dimensions and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.