Centric 320.45078H Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotor

The Centric GCX Elemental Protection Disc Brake Rotor (part number 320.45078H) is engineered for Mazda 3 vehicles requiring reliable braking performance. Featuring a fully coated finish and high carbon content, this vented rotor is designed to provide consistent stopping power and corrosion resistance.

• Fully coated disc and hat finish for enhanced corrosion protection
• High carbon content for improved heat dissipation and durability
• Vented rotor design with straight vanes to optimize cooling
• Nominal thickness of 0.984 inches (25.000 mm) with discard thickness at 0.906 inches (23.000 mm)
• Outside diameter of 12.598 inches (320.000 mm) suitable for Mazda 3 models
• Floating disc mounting style for better rotor alignment
• 5 lug holes with a bolt circle diameter of 4.500 inches (114.300 mm)
• Center hole diameter of 2.835 inches (72.000 mm)
• Weight approximately 21.03 lbs (9.56 kgs)

Details on Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on delivering rotors with a full protective coating to resist rust and corrosion, extending rotor life in various driving conditions. The high carbon content enhances thermal conductivity, reducing the risk of warping under heavy braking. This rotor features a vented design with straight vanes to improve airflow and heat dissipation, which is critical for maintaining braking efficiency during repeated stops. The floating disc mounting style helps maintain proper rotor alignment, reducing uneven wear and noise.

Compatible Vehicles and Applications

This disc brake rotor is specifically compatible with Mazda 3 models, providing a direct replacement for worn or damaged rotors. It is designed to meet the exact specifications required for these vehicles, ensuring proper fit and function.

• Replacement for worn or warped rotors on Mazda 3
• Addresses brake pulsation and vibration issues
• Helps reduce rotor corrosion and surface rust
• Improves braking consistency under high heat conditions
• Suitable for vehicles experiencing uneven rotor wear

Installation Notes and Tips

When installing the Centric GCX Elemental Protection Disc Brake Rotor 320.45078H, ensure the rotor thickness is within the nominal range of 0.984 inches (25.000 mm) and not below the discard thickness of 0.906 inches (23.000 mm). Proper cleaning of the hub surface and rotor mounting area is recommended to prevent runout. Since this rotor does not include bearings or an ABS tone ring, verify compatibility with your vehicle’s existing components. Use the correct torque specifications for the 5 lug bolts to maintain secure mounting.

Quality Assurance and Warranty

Centric provides quality assurance through precise manufacturing standards and material selection, including high carbon content for durability. The full coating on both the disc and hat surfaces offers extended corrosion resistance. While specific warranty details are not provided here, Centric rotors typically come with a limited warranty against defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.