Centric 320.39033H Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Volvo XC90

The Centric GCX Elemental Protection Disc Brake Rotor (part number 320.39033H) is engineered to provide consistent braking performance for your Volvo XC90. Designed with a full coating and high carbon content, this rotor offers durability and corrosion resistance for long-lasting use.

• Full coating on disc and hat for enhanced corrosion protection
• High carbon content for improved heat dissipation and reduced brake fade
• Vented rotor design with straight vanes for efficient cooling
• Nominal outside diameter of 12.114 inches (307.7 mm) and overall height of 2.551 inches (64.8 mm)
• 5 stud/lug holes with a 4.252 inch (108 mm) bolt circle diameter
• Nominal thickness of 0.787 inches (20 mm) with discard thickness at 0.709 inches (18 mm)
• Smooth surface finish for consistent pad contact

About the Centric GCX Elemental Protection Product Line

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on providing rotors with a complete protective coating to resist rust and corrosion. The high carbon content enhances rotor strength and heat management, making these rotors suitable for vehicles like the Volvo XC90 that require reliable braking under various driving conditions.

Product Details and Specifications

This disc brake rotor features a vented design with straight vanes to promote airflow and reduce heat buildup during braking. The fully coated disc and hat surfaces help prevent rust, extending the rotor's service life. With a nominal thickness of 0.787 inches (20 mm) and a discard thickness of 0.709 inches (18 mm), this rotor meets precise wear limits for safe operation. The rotor's center hole diameter measures 2.677 inches (68 mm), and it mounts using five lug holes sized at 0.661 inches (16.8 mm) diameter on a 4.252 inch (108 mm) bolt circle, ensuring proper fitment on the Volvo XC90.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing corrosion and rust buildup on original rotors
• Improving heat dissipation to reduce brake fade during extended use
• Restoring smooth braking performance and pedal feel
• Ensuring compatibility with Volvo XC90 braking systems requiring vented rotors

Installation Notes and Tips

Ensure the rotor surface is clean and free of contaminants before installation. Verify the rotor thickness is within discard limits to maintain safety. Use proper torque specifications for lug nuts to avoid rotor warping. This rotor does not include bearings or ABS tone rings, so confirm compatibility with your vehicle's existing components.

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating and high carbon content contribute to durability and consistent braking performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship.