Centric 121.39040 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Land Rover and Volvo Models

The Centric C-TEK Standard Disc Brake Rotor 121.39040 is engineered to meet the braking demands of select Land Rover and Volvo vehicles. Designed for models such as the Range Rover Evoque and Volvo S60, S80, V60, V70, and XC70, this rotor ensures consistent performance and durability.

• Part Number: 121.39040
• Brand: Centric
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented disc brake rotor with smooth surface
• Outside diameter: 300 mm (11.811 inches)
• Nominal thickness: 28.000 mm (1.102 inches)
• Discard thickness: 26.000 mm (1.024 inches)
• Overall height: 52.100 mm (2.051 inches)
• Mounting bolt hole circle diameter: 108.000 mm (4.252 inches)
• Stud/lug hole quantity: 5 with 15.800 mm (0.622 inches) diameter
• Center hole diameter: 63.500 mm (2.500 inches)
• Floating disc mounting with straight vane style
• Weight approximately 9.02 kg (19.85 lbs)
• ABS tone ring not included
• Bearings 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 reliable, vented rotors with smooth surfaces that promote consistent pad contact and heat dissipation. The 121.39040 rotor fits within this line, delivering dependable braking performance for Land Rover and Volvo vehicles requiring vented rotors with floating disc mounting.

Product Details and Specifications

This Centric disc brake rotor features a vented design with straight vanes to enhance cooling during braking, reducing the risk of brake fade. The smooth surface finish ensures optimal contact with brake pads, contributing to even wear and consistent stopping power. With a nominal thickness of 28.000 mm and a discard thickness of 26.000 mm, this rotor provides a clear service life indicator for maintenance. The overall height of 52.100 mm and a 300 mm outside diameter make it compatible with the specified Land Rover and Volvo models. The rotor mounts using a floating disc mounting system and includes five lug holes with a 108 mm bolt circle diameter, matching OEM fitment requirements.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Range Rover Evoque and Volvo S60, S80, V60, V70, XC70
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves braking consistency and reduces noise from rotor wear
• Restores proper rotor thickness to maintain safe braking performance
• Suitable for vehicles requiring vented rotors with floating mounting

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (26.000 mm) before installation
• Verify compatibility with vehicle make and model, specifically Land Rover Range Rover Evoque and Volvo S60, S80, V60, V70, XC70
• Use proper torque specifications for the 5 lug nuts on the 108 mm bolt circle
• Check for ABS tone ring requirements as this rotor does not include one
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring reliable fit and function. While specific warranty details for part number 121.39040 are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult product documentation or Centric directly for warranty terms related to this rotor.