Centric 320.66057F Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating offer reliable braking performance for select Cadillac, Chevrolet, and GMC trucks and SUVs. Designed with a fully coated disc and hat finish, these rotors provide enhanced corrosion resistance and durability for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Part Number: 320.66057F
• Fully coated disc and hat finish for corrosion protection
• Vented rotor design with straight vanes for improved heat dissipation
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.102 inches (28.000 mm)
• Outside diameter of 12.992 inches (330.000 mm)
• Floating disc mounting for better rotor alignment
• Compatible with 6 lug/stud holes, 0.633 inch (16.080 mm) diameter
• Weight approximately 25.5 lbs (11.59 kgs)

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

The Centric GCX Elemental Protection line focuses on providing rotors with a full coating that protects against rust and corrosion, extending the service life of the brake components. This full coating covers both the disc surface and the hat area, which is critical for vehicles exposed to harsh weather or road conditions. The 320.66057F rotor benefits from this protective finish, making it suitable for heavy-duty applications found in trucks and SUVs such as the Cadillac Escalade and Chevrolet Avalanche.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to promote efficient heat dissipation during braking, reducing the risk of brake fade. The rotor has a smooth surface type and a floating disc mounting system that helps maintain proper alignment and reduces stress on the rotor. The overall height measures 2.165 inches (55.000 mm), and the center hole diameter is 3.091 inches (78.500 mm), ensuring precise fitment on compatible vehicles.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT, XTS
• Chevrolet Avalanche, Silverado 1500 (including Classic and LD), Suburban 1500, Tahoe, Express 1500
• GMC Sierra 1500 (Classic and Limited), Yukon, Yukon XL, Yukon XL 1500, Savana 1500, Cheyenne

Common Issues Addressed by This Rotor

• Corrosion and rust buildup on brake rotors
• Brake fade due to overheating during heavy use
• Uneven rotor wear causing vibration or noise
• Reduced braking performance from worn or damaged rotors
• Fitment issues with incorrect rotor dimensions or mounting

Installation Notes and Tips

• Ensure rotor discard thickness of 1.102 inches (28.000 mm) is not exceeded before replacement
• Verify compatibility with vehicle make and model, especially for 6 lug/stud configurations
• Clean hub surface before installation to prevent runout
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads and hardware during rotor replacement for optimal performance

Quality Assurance and Warranty

Centric provides rotors manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The full coating on the 320.66057F rotor offers added protection against corrosion, contributing to longer service life. While specific warranty details are not provided here, Centric typically backs their products with a limited warranty against defects in materials and workmanship.