Centric 121.39045 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.39045

The Centric C-TEK Standard Disc Brake Rotor 121.39045 is engineered for reliable braking performance on select Volvo models. Designed as a vented rotor with a smooth surface, it provides consistent heat dissipation and stable stopping power for vehicles like the Volvo S60, S80, V60, V60 Cross Country, V70, and XC70.

• Vented disc brake rotor for improved cooling
• Smooth surface finish for consistent pad contact
• Floating disc mounting design with pillar-style vanes
• Outside diameter of 11.890 inches (302 mm)
• Nominal thickness of 0.862 inches (21.9 mm) with discard thickness at 0.787 inches (20 mm)
• Overall height of 1.610 inches (40.9 mm)
• Five lug holes with 0.622 inch (15.8 mm) diameter
• Center hole diameter of 2.504 inches (63.6 mm)
• Weight approximately 15.25 lbs (6.93 kgs)
• ABS tone ring not included

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving conditions. This product line focuses on standard replacement rotors that meet or exceed OEM specifications, ensuring proper fit and function. The 121.39045 rotor maintains the original equipment design with vented construction and pillar-style vanes to optimize heat dissipation and rotor durability for Volvo vehicles.

Technical Description and Specifications

This disc brake rotor features a vented design with pillar-style vanes that enhance airflow and cooling during braking. The smooth surface type ensures even pad wear and consistent braking performance. The rotor’s floating disc mounting allows for slight movement to reduce stress and improve longevity. With a nominal thickness of 0.862 inches (21.9 mm) and a discard thickness of 0.787 inches (20 mm), it provides a clear service limit for safe operation. The rotor measures 11.890 inches (302 mm) in outside diameter and has an overall height of 1.610 inches (40.9 mm). It includes five lug holes sized at 0.622 inches (15.8 mm) diameter and a center hole diameter of 2.504 inches (63.6 mm), matching the bolt pattern of compatible Volvo models.

Compatible Vehicles and Common Applications

• Volvo S60 brake rotor replacement
• Volvo S80 disc brake rotor upgrade
• Volvo V60 and V60 Cross Country brake system maintenance
• Volvo V70 rotor replacement for improved braking
• Volvo XC70 vented disc brake rotor installation

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface and hub mounting area to prevent vibration
• Use proper torque specifications for lug nuts to avoid warping
• Check compatibility with vehicle ABS system; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to maintain optimal braking

Quality Assurance and Warranty

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