Centric 120.45093 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.45093

The Centric Premium Disc Brake Rotor 120.45093 is engineered for reliable braking performance on select Mazda vehicles. Designed specifically for Mazda 3, CX-3, and CX-30 models, this rotor ensures consistent stopping power and durability under normal driving conditions.

• Compatible with Mazda 3, CX-3, and CX-30 models
• Part number: 120.45093
• Solid disc brake rotor with smooth surface finish
• Coated hat finish for corrosion resistance
• 5 bolt holes with a 114.3 mm bolt circle diameter
• Nominal thickness of 9.0 mm and discard thickness of 7.0 mm
• Outside diameter of 264.6 mm (10.417 inches)
• Overall height of 39.1 mm (1.539 inches)
• Floating disc mounting design

Product Line Details: Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that meet or exceed OEM specifications for fit, form, and function. This product line features rotors with a coated hat finish to resist rust and corrosion, solid rotor construction for consistent braking, and precise machining for smooth surface contact. The 120.45093 rotor is part of this line, providing a direct replacement solution for Mazda vehicles requiring a solid, smooth rotor with a floating disc mounting design.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 9.0 mm and a discard thickness of 7.0 mm, ensuring a clear service life indicator for safe replacement intervals. The rotor’s outside diameter measures 264.6 mm, matching OEM dimensions for proper fitment. It includes 5 bolt holes arranged on a 114.3 mm bolt circle diameter, compatible with the specified Mazda models. The hat section is coated to protect against corrosion, and the rotor surface is smooth, designed for consistent pad contact and braking performance. The floating disc mounting design helps accommodate thermal expansion and reduces stress on the rotor during operation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 3, CX-3, and CX-30
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness for safe braking performance
• Prevents corrosion-related rotor damage with coated hat finish
• Improves braking consistency by maintaining smooth rotor surface

Installation Notes and Tips

When installing the Centric Premium Disc Brake Rotor 120.45093, ensure the rotor is mounted on a clean, rust-free hub surface to maintain proper fitment. Verify the bolt hole pattern matches the vehicle’s hub (5 lug holes on a 114.3 mm bolt circle). Use proper torque specifications for mounting bolts to avoid rotor distortion. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet or exceed OEM standards for durability and performance. The 120.45093 rotor undergoes strict quality control processes to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.