Centric 121.39054 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Volvo Models

The Centric C-TEK Standard Disc Brake Rotor 121.39054 is engineered to meet the braking demands of various Volvo vehicles. Designed for precision and durability, this vented rotor ensures consistent performance for models like the Volvo XC90, S60, and V60 Cross Country.

• Compatible with Volvo C40, C40 Recharge, S60, S90, V60, V60 Cross Country, V90, V90 Cross Country, XC40, XC40 Recharge, XC60, and XC90
• Part number 121.39054 for exact fitment
• Vented rotor design with 42 OEM vane count for improved heat dissipation
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.083 inches (27.500 mm)
• Outside diameter of 13.583 inches (345.000 mm) and overall height of 1.890 inches (48.000 mm)
• Floating disc mounting with 5 lug holes, 0.618 inch (15.700 mm) diameter each
• Smooth surface type for consistent braking contact

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for standard braking applications. This product line focuses on delivering rotors that meet OEM specifications, including precise dimensions and vented designs to maintain optimal braking performance. The 121.39054 rotor is part of this line, providing reliable replacement options for Volvo vehicles requiring vented rotors with floating disc mounting.

Technical Details and Specifications

This Centric rotor features a vented vane style with 42 OEM vanes to enhance cooling during braking. The nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.083 inches (27.500 mm), indicating when replacement is necessary. The rotor’s outside diameter measures 13.583 inches (345.000 mm), and it has an overall height of 1.890 inches (48.000 mm). The center hole diameter is 2.500 inches (63.500 mm), and it mounts using a 5-lug pattern with a bolt hole circle diameter of 4.252 inches (108.000 mm). This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise issues from uneven rotor surfaces
• Upgrading to vented rotors for improved heat dissipation in Volvo XC40 and XC90 models
• Ensuring proper fitment and performance on Volvo S60 and V60 Cross Country vehicles

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets or exceeds the nominal thickness of 1.181 inches. Clean the rotor surface to remove any protective coatings or debris. Use proper torque specifications for the 5 lug nuts to avoid warping. Since this rotor does not include bearings or an ABS tone ring, verify compatibility with your vehicle’s existing components. Floating disc mounting requires careful alignment during installation.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring consistent quality and performance. While specific warranty details for part number 121.39054 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.