Centric 320.66047F Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.66047F offers reliable braking performance for select Buick, Oldsmobile, and Pontiac vehicles. Designed with a full coating to resist corrosion, this vented rotor is engineered to maintain consistent stopping power and durability.

• Full coating on disc and hat for enhanced corrosion resistance
• Vented rotor design with straight vane style for improved heat dissipation
• Nominal thickness of 1.181 inches (30.000 mm) with discard thickness at 1.118 inches (28.400 mm)
• Overall height of 2.047 inches (52.000 mm) and outside diameter of 11.811 inches (300.000 mm)
• Floating disc mounting and smooth surface finish for optimal brake pad contact
• Compatible with 5 lug/stud holes, 0.555 inch (14.100 mm) diameter

Product Line Details: Centric GCX Elemental Protection Disc Brake Rotors - Full Coating

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a comprehensive protective coating that covers both the disc and hat surfaces. This full coating helps prevent rust and corrosion, extending the rotor's service life, especially in environments prone to moisture and road salt. The 320.66047F rotor is part of this line, combining corrosion resistance with a vented design to maintain effective heat management during braking.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to facilitate airflow and heat dissipation, reducing the risk of brake fade. The rotor's nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.118 inches (28.400 mm), ensuring safe replacement intervals. The overall height measures 2.047 inches (52.000 mm), and the outside diameter is 11.811 inches (300.000 mm), matching OEM specifications for proper fitment.

The rotor mounts using a floating disc mounting system and includes five lug holes with a diameter of 0.555 inches (14.100 mm) arranged on a 4.500 inch (114.300 mm) bolt circle diameter. The smooth surface finish promotes even pad wear and consistent braking performance. Note that this rotor does not include an ABS tone ring or bearings.

Compatible Vehicles and Applications

• Buick Aztek
• Oldsmobile Silhouette
• Pontiac Montana
• Pontiac Rendezvous

The Centric GCX Elemental Protection Disc Brake Rotor 320.66047F is designed specifically for these models, ensuring proper fit and function when replacing worn or damaged rotors.

Common Issues Addressed by This Rotor

• Brake rotor corrosion and rust buildup
• Brake fade due to overheating
• Uneven brake pad wear caused by rotor surface imperfections
• Vibration or pulsation during braking from warped rotors
• Reduced braking efficiency from worn or undersized rotors

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces to prevent rotor runout and vibration
• Use proper torque specifications on lug nuts to avoid rotor distortion
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Ensure compatibility with vehicle ABS system as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The full coating on the 320.66047F rotor provides added protection against corrosion, contributing to longer service life. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or manufacturer resources for exact warranty terms.