Centric 320.66070F Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Chevrolet, GMC, and Saturn

The Centric GCX Elemental Protection Disc Brake Rotor - Full Coating (part number 320.66070F) is engineered to provide consistent braking performance for select Buick, Chevrolet, GMC, and Saturn models. Designed with a fully coated finish, this vented rotor offers enhanced corrosion resistance and durability for vehicles like the Acadia, Enclave, Outlook, and Traverse.

• Fully coated disc and hat finish for corrosion protection
• Vented rotor design with straight vane style for improved heat dissipation
• Nominal thickness of 0.787 inches (20.000 mm) with discard thickness at 0.724 inches (18.400 mm)
• Outside diameter of 13.020 inches (330.700 mm) and overall height of 2.106 inches (53.500 mm)
• 6 stud/lug holes with a diameter of 0.638 inches (16.200 mm)
• Floating/dih disc mounting with 2 miscellaneous holes
• Weight approximately 18.2 lbs (8.27 kgs)

About the Centric GCX Elemental Protection Disc Brake Rotors - Full Coating Line

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a complete protective coating on both the disc surface and hat area. This full coating helps prevent rust and corrosion, extending the rotor's service life and maintaining consistent braking performance. The vented design with straight vanes enhances cooling efficiency, which is critical for maintaining rotor integrity under demanding driving conditions.

Product Details and Specifications

This disc brake rotor features a smooth surface type and is vented with straight vanes to optimize airflow and heat dissipation during braking. The rotor's nominal thickness is 0.787 inches (20.000 mm), with a discard thickness of 0.724 inches (18.400 mm), ensuring clear service limits for safe operation. The rotor measures 13.020 inches (330.700 mm) in outside diameter and has an overall height of 2.106 inches (53.500 mm). It includes 6 stud/lug holes with a diameter of 0.638 inches (16.200 mm) and a mounting bolt hole circle diameter of 5.197 inches (132.000 mm). The center hole diameter is 2.972 inches (75.500 mm). This rotor does not include an ABS tone ring or bearings.

Compatible Vehicles and Applications

• Buick Acadia and Acadia Limited
• Chevrolet Traverse
• GMC Acadia and Acadia Limited
• Saturn Outlook
• Buick Enclave

This rotor is designed specifically for these models, ensuring proper fitment and reliable braking performance.

Common Issues Addressed by This Rotor

• Brake rotor corrosion and rust buildup
• Overheating and brake fade due to poor heat dissipation
• Uneven rotor wear causing vibration or noise
• Reduced braking efficiency from worn or damaged rotors
• Maintaining rotor thickness within safe discard limits

Installation Notes and Tips

When installing the Centric GCX Elemental Protection Disc Brake Rotor (320.66070F), ensure the rotor surface is clean and free of contaminants. Verify the rotor thickness is above the discard limit before installation. Use proper torque specifications for mounting bolts and check for any signs of uneven wear or damage on related brake components. This rotor is designed for floating/dih mounting and requires 6 lug nuts for secure attachment.

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM specifications, providing reliable braking performance and durability. The full coating on the rotor and hat offers enhanced corrosion resistance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or manufacturer resources for exact warranty terms.