Centric 121.45088 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45088

The Centric C-TEK Standard Disc Brake Rotor 121.45088 is engineered for reliable braking performance on select Mazda vehicles. Designed specifically for Mazda 3, Mazda 3 Sport, and Mazda CX-3 models, this vented disc brake rotor meets precise OEM specifications to ensure proper fit and function.

• Compatible with Mazda 3, Mazda 3 Sport, and Mazda CX-3
• Part number: 121.45088
• Vented rotor design with straight vane style for effective heat dissipation
• Nominal thickness of 0.984 inches (25.000 mm) and discard thickness of 0.906 inches (23.000 mm)
• Overall height of 2.035 inches (51.700 mm) and outside diameter of 11.016 inches (279.800 mm)
• Floating disc mounting with 5 lug holes (0.524 inches / 13.300 mm diameter)
• Smooth surface type without ABS tone ring included

Details on C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards. This product line focuses on providing consistent braking performance with precise dimensions and quality materials. The 121.45088 rotor features a vented design with 50 straight vanes to optimize cooling during braking, reducing the risk of brake fade. The floating disc mounting and exact bolt hole circle diameter of 4.500 inches (114.300 mm) ensure proper installation and alignment on compatible Mazda models.

Product Specifications and Features

This disc brake rotor has a nominal thickness of 0.984 inches (25.000 mm) and a discard thickness of 0.906 inches (23.000 mm), indicating when replacement is necessary to maintain safe braking. The rotor’s overall height is 2.035 inches (51.700 mm), and it has an outside diameter of 11.016 inches (279.800 mm). It includes 5 stud/lug holes with a diameter of 0.524 inches (13.300 mm) and a center hole diameter of 2.681 inches (68.100 mm). The rotor weighs approximately 14.2 lbs (6.46 kgs) and features a smooth surface type designed for standard brake pad compatibility.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 3, Mazda 3 Sport, and Mazda CX-3
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during extended braking
• Restores proper rotor thickness to maintain braking efficiency and safety
• Compatible with vehicles lacking ABS tone ring requirements

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets or exceeds the discard thickness of 0.906 inches (23.000 mm). This rotor is designed for floating disc mounting and requires a 5-lug wheel hub with a 4.500-inch bolt circle diameter. Bearings are not included and should be inspected or replaced separately if necessary. Clean the rotor surface before installation to remove any protective coatings or contaminants. Proper torque specifications for lug nuts should be followed to avoid rotor warping.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, ensuring consistent performance and durability. While specific warranty details for part number 121.45088 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product packaging or Centric’s official documentation for exact warranty terms.