Centric 121.45053 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45053

The Centric C-TEK Standard Disc Brake Rotor 121.45053 is engineered for reliable braking performance on Mazda Millenia and MPV models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and stable stopping power under various driving conditions.

• Compatible with Mazda Millenia and MPV vehicles
• Vented disc brake rotor for improved cooling
• Overall diameter of 10.776 inches (273.7 mm)
• Nominal thickness of 1.102 inches (28.0 mm) with discard thickness at 1.024 inches (26.0 mm)
• Floating disc mounting design with straight vane style
• 5 lug holes with a bolt circle diameter of 4.5 inches (114.3 mm)
• Center hole diameter of 2.839 inches (72.1 mm)
• Weight approximately 16.5 lbs (7.5 kgs)
• ABS tone ring and bearings not included

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering OEM-equivalent replacement rotors that meet factory specifications. This product line emphasizes precise fitment and consistent performance, making it suitable for routine maintenance and brake system repairs on compatible vehicles such as the Mazda Millenia and MPV. The 121.45053 rotor maintains the original equipment’s dimensions and vented design to ensure proper heat management and braking efficiency.

Technical Specifications and Features

This vented disc brake rotor features a smooth surface type that helps reduce brake noise and vibration. The rotor’s nominal thickness is 1.102 inches (28.0 mm), with a discard thickness of 1.024 inches (26.0 mm), indicating when replacement is necessary to maintain safe braking. The overall height measures 2.008 inches (51.0 mm), and the rotor includes a floating disc mounting system with a single miscellaneous hole and straight vane style for effective airflow and cooling. The 5 lug holes have a diameter of 0.512 inches (13.0 mm) and are arranged on a 4.5-inch (114.3 mm) bolt circle diameter, ensuring proper fitment on the specified Mazda models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda Millenia and MPV
• Addresses brake pulsation and vibration issues
• Restores braking performance affected by rotor thickness below discard limits
• Improves heat dissipation to reduce brake fade during extended use
• Suitable for routine brake system maintenance and repairs

Installation Notes and Tips

Ensure the rotor surface is clean and free of contaminants before installation. Verify the rotor thickness is above the discard thickness specification of 1.024 inches (26.0 mm). Use proper torque specifications for the 5 lug nuts on the 4.5-inch bolt circle diameter. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary. Properly bed in new brake pads after installation to optimize braking performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for complete warranty information.