Centric 121.39022 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.39022

The Centric C-TEK Standard Disc Brake Rotor 121.39022 is engineered for reliable braking performance on Volvo S90 and V90 models. Designed as a solid rotor with a smooth surface, it meets the precise specifications required for these vehicles, ensuring consistent stopping power and durability.

• Compatible with Volvo S90 and V90 models
• Part number: 121.39022
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 10.906 inches (277 mm)
• Nominal thickness: 0.472 inches (12 mm)
• Discard thickness: 0.394 inches (10 mm)
• Overall height: 2.795 inches (71 mm)
• Center hole diameter: 2.677 inches (68 mm)
• Mounting bolt hole circle diameter: 4.252 inches (108 mm) with 5 lug holes
• Weight: approximately 11.4 lbs (5.18 kg)
• ABS tone ring not included

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 braking applications. This product line focuses on providing solid rotors with smooth surfaces that deliver consistent braking performance and fitment accuracy. The 121.39022 rotor is part of this line, tailored specifically for Volvo S90 and V90 vehicles, ensuring proper fit and function without ABS tone ring integration.

Technical Details and Specifications

This Centric rotor features a solid design with a smooth surface type, optimized for standard braking systems. The rotor measures 10.906 inches (277 mm) in outside diameter and has a nominal thickness of 0.472 inches (12 mm), with a discard thickness of 0.394 inches (10 mm) indicating when replacement is necessary. The overall height is 2.795 inches (71 mm), and it mounts using a 5-lug pattern with a bolt hole circle diameter of 4.252 inches (108 mm). The center hole diameter is 2.677 inches (68 mm), ensuring precise alignment on the hub. This rotor does not include bearings or an ABS tone ring, making it suitable for vehicles without ABS sensor integration on the rotor itself.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Volvo S90 and V90
• Restores smooth braking performance and pedal feel
• Addresses rotor thickness below discard limits causing brake pulsation
• Eliminates noise and vibration from uneven rotor surfaces
• Suitable for vehicles requiring solid rotors without ABS tone rings

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your Volvo S90 or V90 before installation
• Ensure hub surface is clean and free of rust for proper rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 121.39022 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship. This rotor is engineered to provide reliable service life when installed and maintained according to vehicle manufacturer guidelines.