Centric 320.42105F 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 models. Designed with a fully coated disc and hat finish, these rotors offer enhanced corrosion resistance and durability for long-term use.

• Part Number: 320.42105F
• Fully coated disc and hat finish for corrosion protection
• Vented rotor design for improved heat dissipation
• Outside diameter: 13.780 inches (350 mm)
• Nominal thickness: 0.787 inches (20 mm)
• Discard thickness: 0.709 inches (18 mm)
• Overall height: 2.441 inches (62 mm)
• 5 lug holes with 4.5 inch (114.3 mm) bolt circle diameter
• Smooth surface type with straight vane style
• Center hole diameter: 2.677 inches (68 mm)
• Weight approximately 20.5 lbs (9.32 kg)

Detailed Product Description

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating (part number 320.42105F) are engineered to meet the braking demands of Infiniti vehicles including FX50, M35h, M37, M56, Q50, Q60, Q70, Q70L, and QX70. These rotors feature a vented design with straight vanes that promote efficient heat dissipation, reducing the risk of brake fade during extended use. The fully coated disc and hat finish provide a protective barrier against rust and corrosion, extending the rotor's service life in various driving conditions.

The rotor's smooth surface finish ensures consistent contact with brake pads, contributing to stable braking performance and reduced noise. With a nominal thickness of 0.787 inches and a discard thickness of 0.709 inches, these rotors maintain structural integrity while allowing for safe wear limits. The 5-lug hole pattern with a 4.5 inch bolt circle diameter ensures proper fitment and secure mounting on compatible Infiniti models.

Centric GCX Elemental Protection Product Line

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with enhanced corrosion resistance through a full coating process. This product line is designed to protect critical braking components from environmental elements, making it suitable for drivers who require dependable rotor longevity without compromising performance. The full coating on both the disc and hat areas helps maintain rotor integrity and appearance over time.

Applications and Problem Solving

• Replacement for worn or warped rotors on Infiniti FX50, M35h, M37, M56, Q50, Q60, Q70, Q70L, and QX70
• Addresses rotor corrosion and rust issues due to environmental exposure
• Helps reduce brake fade caused by overheating with vented rotor design
• Improves braking consistency by maintaining smooth rotor surface
• Suitable for vehicles experiencing vibration or noise from uneven rotor wear

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.709 inches) before installation
• Clean hub surface and mounting area to prevent rotor runout
• Torque lug nuts to manufacturer specifications for secure fitment
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating process enhances corrosion resistance, contributing to product durability. While specific warranty details are not provided, Centric products typically come with a limited warranty against defects in materials and workmanship. Refer to Centric's official documentation for complete warranty information.