Centric 121.45082 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mazda Vehicles

The Centric C-TEK Standard Disc Brake Rotor 121.45082 is engineered to provide consistent braking performance for select Mazda models. Designed with precision, this vented rotor ensures effective heat dissipation and smooth braking under various driving conditions.

• Compatible with select Mazda vehicles requiring a 10.157 inch (258 mm) outside diameter rotor
• Vented disc design with straight vane style for improved cooling
• Nominal thickness of 0.906 inch (23.000 mm) and discard thickness of 0.827 inch (21.000 mm)
• Floating disc mounting with a center hole diameter of 2.165 inch (55.000 mm)
• Four stud/lug holes with a diameter of 0.512 inch (13.000 mm) and 3.937 inch (100.000 mm) bolt circle diameter
• Overall height of 1.728 inch (43.900 mm) and rotor weight approximately 12.75 lbs (5.8 kgs)
• Smooth surface type without ABS tone ring included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing rotors with precise fitment and consistent performance, making it suitable for routine maintenance and brake system repairs on compatible vehicles such as Mazda models. The 121.45082 rotor maintains the balance between durability and cost-effectiveness within this product range.

Product Details and Specifications

This Centric disc brake rotor features a vented design with straight vanes that promote efficient heat dissipation, reducing the risk of brake fade during extended use. The rotor’s nominal thickness of 0.906 inch (23.000 mm) ensures structural integrity, while the discard thickness of 0.827 inch (21.000 mm) indicates the minimum safe thickness for replacement. The floating disc mounting style allows for slight movement to accommodate thermal expansion and improve braking consistency. With a smooth surface finish, this rotor is compatible with brake pads designed for standard rotors and does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving overheating issues with vented rotor design for better heat management
• Fixing uneven brake pad wear related to rotor surface irregularities
• Upgrading to OEM-equivalent rotors for routine brake system maintenance on Mazda vehicles

Installation Notes and Tips

• Verify rotor dimensions and fitment with your specific Mazda model before installation
• Ensure the mounting surface and hub are clean and free of debris to prevent rotor runout
• Use proper torque specifications on lug nuts to avoid rotor distortion
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Check for any ABS sensor requirements, as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.45082 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide consistent braking performance when installed and maintained according to manufacturer guidelines.