Centric 320.34116H Disc Brake Rotor - Front Left

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content provide reliable braking performance for select BMW models. Designed with a fully coated finish and high carbon content, these rotors offer enhanced durability and corrosion resistance for long-lasting use.

• Part Number: 320.34116H
• Fully coated disc and hat finish for corrosion protection
• High carbon content for improved wear resistance and heat dissipation
• Vented rotor design with curved vanes for efficient cooling
• Floating disc mounting with smooth surface type
• Compatible with BMW 550i GT, 550i GT xDrive, 750i, 750i xDrive, 750Li, and 750Li xDrive
• Outside diameter: 14.724 inches (374 mm)
• Nominal thickness: 1.417 inches (36 mm); discard thickness: 1.339 inches (34 mm)
• Overall height: 2.610 inches (66.3 mm)
• 5 lug holes with 0.654 inch (16.6 mm) diameter

Centric GCX Elemental Protection Product Line Details

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on providing rotors with a full protective coating to resist rust and corrosion. The high carbon content enhances rotor strength and heat management, which helps maintain consistent braking performance under demanding conditions. This product line is engineered to meet or exceed OEM specifications, making it suitable for premium vehicles like BMW models listed.

Product Features and Specifications

This disc brake rotor features a vented design with curved vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. The rotor surface is smooth and fully coated, including the hat area, to protect against environmental damage. The floating disc mounting system allows for slight movement to accommodate thermal expansion and improve braking consistency. With a center hole diameter of 2.953 inches (75 mm) and a mounting bolt hole circle diameter of 4.724 inches (120 mm), this rotor fits securely on compatible BMW wheel hubs.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 550i GT and 750i series vehicles
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust and corrosion that can reduce rotor lifespan
• Improves heat management to reduce brake fade during heavy braking
• Restores braking performance to OEM standards for safety and reliability

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 1.339 inches (34 mm) before installation. Clean the hub surface thoroughly to prevent runout and ensure proper rotor seating. Use proper torque specifications for the 5 lug bolts to avoid rotor distortion. Since this rotor does not include bearings or ABS tone rings, verify compatibility with your vehicle’s existing components. 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 and high carbon content contribute to extended rotor life and corrosion resistance. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms related to part number 320.34116H.