Centric 120.66065 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.66065

The Centric Premium Disc Brake Rotor 120.66065 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 Yukon XL.

• Vented disc brake rotor with smooth surface finish
• Coated hat finish for corrosion resistance
• Nominal outside diameter of 345 mm (13.583 inches)
• Nominal thickness of 20 mm (0.787 inches) with discard thickness at 18.5 mm (0.728 inches)
• 6 bolt holes with a mounting bolt hole circle diameter of 139.7 mm (5.5 inches)
• Overall height of 85.4 mm (3.362 inches)
• Center hole diameter of 78.5 mm (3.091 inches)
• Compatible with multiple GM models including Cadillac Escalade and Chevrolet Tahoe

Product Line: Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that match OEM fit, form, and function. This product line features rotors with vented designs for improved heat dissipation and coated hats to resist rust and corrosion. The 120.66065 rotor is part of this line, providing a balance of durability and performance for heavy-duty applications on GM trucks and SUVs.

Detailed Product Description

This disc brake rotor is vented to enhance cooling during braking, reducing the risk of brake fade under heavy use. The smooth surface type ensures even pad contact and consistent braking feel. The coated hat finish protects the rotor’s central mounting area from corrosion, extending service life. With a 6-lug bolt pattern and a mounting bolt hole circle diameter of 139.7 mm, this rotor is designed for precise fitment on vehicles such as the GMC Sierra 1500 Limited and Cadillac Escalade EXT. The nominal thickness of 20 mm and discard thickness of 18.5 mm provide clear service limits for maintenance.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading corroded or rusted rotors to restore braking efficiency
• Addressing brake fade due to overheating on heavy-duty GM trucks and SUVs
• Ensuring proper rotor thickness for safe braking performance
• Maintaining OEM fitment and compatibility with ABS systems (note: this rotor does not include an ABS tone ring)

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 18.5 mm
• Clean mounting surfaces to ensure proper rotor seating
• Torque lug nuts to manufacturer specifications for 6-lug pattern
• Check brake pads for wear and replace if necessary during rotor installation
• Ensure compatibility with vehicle model and year before installation

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 120.66065 rotor undergoes rigorous testing for dimensional accuracy and material integrity. 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.