Centric 120.66045 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.66045

The Centric Premium Disc Brake Rotor 120.66045 is engineered for reliable braking performance on select GM trucks and SUVs. Designed to meet or exceed OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Vented disc brake rotor with smooth surface finish
• Coated hat finish for corrosion resistance
• Nominal thickness of 1.181 inches (30 mm) with discard thickness at 1.122 inches (28.5 mm)
• Overall diameter of 12.98 inches (329.7 mm) and height of 3.76 inches (95.5 mm)
• 6 bolt holes with a mounting bolt hole circle diameter of 139.7 mm (5.5 inches)
• Center hole diameter of 3.094 inches (78.6 mm)
• Compatible with multiple GM full-size trucks and SUVs

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that provide consistent braking performance and durability. Featuring a coated hat finish to resist rust and corrosion, these rotors are designed to maintain structural integrity under demanding conditions. The vented design improves heat dissipation, reducing the risk of brake fade during heavy use. The 120.66045 rotor is part of this line, offering precise fitment and reliable operation for GM vehicles.

Detailed Product Description

This Centric Premium Disc Brake Rotor 120.66045 is a vented rotor with a smooth surface type, optimized for heat management and braking consistency. The rotor measures 12.98 inches (329.7 mm) in outside diameter and has a nominal thickness of 1.181 inches (30 mm), with a discard thickness of 1.122 inches (28.5 mm), ensuring it meets strict wear limits. The coated hat finish protects the rotor hub from corrosion, extending service life. It features 6 bolt holes arranged on a 139.7 mm (5.5 inch) bolt circle diameter, compatible with the hub center hole diameter of 78.6 mm (3.094 inches). This rotor is designed for floating/dih disc mounting and does not include ABS tone rings or bearings.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Yukon, Yukon XL 1500
• Chevrolet Express 1500, GMC Savana 1500

This rotor is intended for use on the front or rear braking systems of these full-size GM trucks and SUVs, providing reliable stopping power under normal and heavy-duty driving conditions.

Common Issues Addressed by This Rotor

• Brake rotor warping due to heat buildup
• Excessive brake noise or vibration
• Reduced braking efficiency from worn or thin rotors
• Corrosion and rust on rotor surfaces
• Uneven brake pad wear caused by rotor surface imperfections

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface and hub mounting area to prevent runout
• Use proper torque specifications for lug nuts and mounting bolts
• Check compatibility with vehicle ABS system; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 120.66045 rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.