Centric 320.42078F Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating provide reliable braking performance for select Infiniti and Nissan vehicles. Designed with a fully coated disc and hat finish, these rotors offer enhanced corrosion resistance and durability for long-term use.

• Part Number: 320.42078F
• Fully coated disc and hat finish for corrosion protection
• Vented rotor design with straight vane style for improved heat dissipation
• Nominal thickness of 0.630 inches (16.000 mm) and discard thickness of 0.551 inches (14.000 mm)
• Outside diameter of 12.110 inches (307.600 mm) and overall height of 2.445 inches (62.100 mm)
• 5 lug holes with a bolt circle diameter of 4.500 inches (114.300 mm)
• Compatible with multiple Infiniti and Nissan models including FX35, FX37, FX45, JX35, M35h, M37, M56, Murano, Pathfinder, Q50, Q60, Q70, Q70L, Quest, QX60, and QX70

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 to protect against rust and corrosion, which is especially beneficial in regions with harsh weather conditions. This product line combines a smooth surface finish with a vented rotor design to maintain consistent braking performance while extending rotor life. The full coating on both the disc and hat ensures that the rotor maintains structural integrity and appearance over time.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes that promote efficient heat dissipation during braking, reducing the risk of brake fade. The nominal thickness of 0.630 inches (16.000 mm) and discard thickness of 0.551 inches (14.000 mm) provide clear service limits for maintenance. The rotor’s outside diameter measures 12.110 inches (307.600 mm), with an overall height of 2.445 inches (62.100 mm), ensuring proper fitment and compatibility. The rotor includes five lug holes with a mounting bolt hole circle diameter of 4.500 inches (114.300 mm), designed for secure installation on compatible Infiniti and Nissan models.

Compatible Vehicles and Applications

• Infiniti FX35, FX37, FX45
• Infiniti JX35, M35h, M37, M56
• Infiniti Q50, Q60, Q70, Q70L, QX60, QX70
• Nissan Murano, Pathfinder, Quest

This rotor is intended for use in front or rear disc brake systems where vented rotors are specified. It is suitable for drivers seeking a direct replacement rotor that maintains factory specifications and performance.

Common Issues Addressed by This Rotor

• Brake rotor corrosion and rust buildup
• Reduced braking efficiency due to heat fade
• Warped or uneven rotor surfaces causing vibration
• Worn rotor thickness below manufacturer specifications
• Noise and pulsation during braking

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 0.551 inches (14.000 mm). Clean the hub surface to remove rust or debris for proper rotor seating. Use the correct torque specifications on the 5 lug bolts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle’s braking system. It is recommended to replace brake pads simultaneously for optimal braking performance.

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The full coating on the rotor surface provides added protection against corrosion, extending the service life of the part. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult the product packaging or Centric’s official documentation for exact warranty terms.