Centric 320.66060F Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.66060F offers reliable braking performance for select GM vehicles. Designed with a full coating to resist corrosion, this rotor is engineered to maintain smooth and consistent stopping power for Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models.

• Part Number: 320.66060F
• Fully coated disc and hat finish for enhanced corrosion resistance
• Solid disc type with smooth surface for consistent brake pad contact
• Outside diameter: 11.772 inches (299.0 mm)
• Nominal thickness: 0.472 inches (12.0 mm); discard thickness: 0.413 inches (10.5 mm)
• Overall height: 1.441 inches (36.6 mm)
• Floating disc mounting design with 5 lug holes (0.561 inch diameter)
• Weight approximately 12.5 lbs (5.68 kgs)

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 complete protective coating on both the disc and hat surfaces. This full coating helps prevent rust and corrosion, extending the rotor's service life and maintaining braking efficiency. The 320.66060F rotor is part of this line, offering a solid rotor design with a smooth surface finish optimized for consistent brake pad engagement and reliable stopping power.

Technical Specifications and Features

This rotor features a solid disc construction with a smooth surface type, ensuring even wear and effective braking. The nominal thickness of 0.472 inches (12.0 mm) and discard thickness of 0.413 inches (10.5 mm) provide clear service limits for maintenance. The rotor's outside diameter measures 11.772 inches (299.0 mm), and it has an overall height of 1.441 inches (36.6 mm). The hat and disc are fully coated to resist environmental damage, and the rotor mounts using a floating disc design with a 5-lug hole pattern (bolt circle diameter 4.5 inches or 114.3 mm).

Compatible Vehicles and Applications

• Buick Montana
• Chevrolet Relay
• Pontiac Terraza
• Saturn Uplander

This rotor is specifically designed for these GM minivan and crossover models, ensuring proper fitment and performance when replacing worn or damaged rotors.

Common Issues Addressed by This Rotor

• Brake rotor corrosion and rust buildup
• Uneven brake pad wear due to surface imperfections
• Reduced braking efficiency from worn or warped rotors
• Brake noise caused by damaged or rough rotor surfaces
• Maintaining proper rotor thickness for safe braking performance

Installation Notes and Tips

When installing the Centric 320.66060F rotor, ensure the hub surface is clean and free of debris to promote proper rotor seating. Verify the rotor thickness before installation to confirm it meets minimum specifications. Use the correct torque specifications for the 5 lug nuts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle's braking system. Proper bedding of brake pads after installation is recommended to optimize braking performance.

Quality Assurance and Warranty

Centric rotors undergo rigorous quality control to meet or exceed OEM standards. The full coating on the rotor and hat surfaces 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. Consult product documentation or manufacturer resources for exact warranty terms.