Centric 121.39056 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Volvo XC60

The Centric C-TEK Standard Disc Brake Rotor 121.39056 is engineered to meet the braking demands of the Volvo XC60. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Vented disc brake rotor with straight vane design for effective heat dissipation
• Nominal thickness of 1.102 inches (28.000 mm) and discard thickness of 1.024 inches (26.000 mm)
• Overall height of 2.051 inches (52.100 mm) and outside diameter of 12.756 inches (324.000 mm)
• Floating disc mounting with 5 lug holes, each 0.622 inches (15.800 mm) in diameter
• Center hole diameter of 2.504 inches (63.600 mm) and mounting bolt hole circle diameter of 4.252 inches (108.000 mm)
• Solid smooth surface type without ABS tone ring included
• Weight approximately 24.05 lbs (10.9 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard replacement needs. This product line focuses on providing reliable braking performance with quality materials and precise manufacturing processes. The 121.39056 rotor is part of this line, delivering consistent braking for the Volvo XC60 with a vented design that helps maintain optimal operating temperatures.

Technical Details and Specifications

This disc brake rotor features a vented design with 40 straight vanes, which enhances airflow and cooling during braking. The rotor’s nominal thickness is 1.102 inches (28.000 mm), with a discard thickness of 1.024 inches (26.000 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 2.051 inches (52.100 mm), and the outside diameter is 12.756 inches (324.000 mm), ensuring proper fitment on the Volvo XC60. The rotor mounts using a floating disc mounting system with five lug holes, each 0.622 inches (15.800 mm) in diameter, and a mounting bolt hole circle diameter of 4.252 inches (108.000 mm). The center hole diameter is 2.504 inches (63.600 mm), matching OEM specifications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restoring braking efficiency lost due to rotor thickness below discard limits
• Addressing overheating issues with vented rotor design for improved heat dissipation
• Eliminating uneven brake pad wear caused by damaged or uneven rotors
• Ensuring proper fitment and compatibility with Volvo XC60 braking system

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness to confirm it meets or exceeds the nominal thickness specification of 1.102 inches (28.000 mm). Use proper torque specifications for 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. The floating disc mounting design requires careful alignment during installation to maintain optimal performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Refer to Centric’s official warranty policy for complete information.