Centric 120.45086 Disc Brake Rotor - Front

Overview of Centric Premium Disc Brake Rotor 120.45086

The Centric Premium Disc Brake Rotor 120.45086 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 rotor ensures consistent heat dissipation and smooth stopping power.

• Compatible with Mazda 3, Mazda 3 Sport, and Mazda CX-3
• Part number 120.45086 for precise fitment
• Vented disc design for improved cooling
• Coated hat finish to resist corrosion
• 5 bolt hole pattern with 114.3 mm bolt circle diameter
• Nominal thickness of 25.0 mm and discard thickness of 23.0 mm
• Overall diameter of 294.8 mm (11.606 inches)
• Smooth surface type for consistent pad contact
• Floating disc mounting for optimal rotor alignment

Details on Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that meet or exceed OEM specifications. This product line emphasizes durability and performance by using high-quality materials and precision manufacturing. The 120.45086 rotor features a vented design that helps dissipate heat more effectively than solid rotors, reducing the risk of brake fade during extended use. The coated hat finish provides additional protection against rust and corrosion, extending the rotor's service life. With a floating disc mounting system, this rotor allows for slight movement to maintain proper alignment and reduce uneven wear.

Technical Specifications and Features

This rotor has a nominal thickness of 25.0 mm and a discard thickness of 23.0 mm, ensuring it meets safety standards for replacement. The overall diameter measures 294.8 mm (11.606 inches), suitable for the specified Mazda models. It includes a 5-lug bolt pattern with a 114.3 mm bolt circle diameter and a center hole diameter of 68.1 mm, matching factory hub dimensions. The smooth surface type promotes even brake pad wear and consistent braking performance. Note that this rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 3, 3 Sport, and CX-3
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves braking consistency and reduces noise
• Prevents corrosion-related rotor damage with coated hat finish
• Supports safe braking performance under normal driving conditions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (23.0 mm) before installation
• Clean rotor surface and hub mounting area to prevent uneven contact
• Use proper torque specifications for the 5-lug bolt pattern
• Check brake pads for wear and replace if necessary during rotor installation
• Verify compatibility with vehicle ABS system as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 120.45086 should be confirmed with the supplier, Centric generally offers limited warranties covering defects in materials and workmanship. Proper installation and maintenance are essential to maximize rotor lifespan and performance.