Centric 120.45085 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.45085

The Centric Premium Disc Brake Rotor 120.45085 is engineered for reliable braking performance on Mazda 6 models. Designed as a solid, smooth-surface rotor, it offers consistent stopping power and durability for everyday driving conditions.

• Compatible with Mazda 6 vehicles
• Solid disc brake rotor with smooth surface
• Coated hat finish for corrosion resistance
• 5 bolt holes with 114.3 mm bolt circle diameter
• Nominal thickness of 10.0 mm and discard thickness of 8.0 mm
• Outside diameter of 277.5 mm (10.925 inches)
• Overall height of 39.5 mm (1.555 inches)
• Floating disc mounting design

Product Line Details: Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering quality replacement rotors that meet or exceed OEM specifications. This product line emphasizes precision manufacturing and corrosion-resistant coatings, such as the coated hat finish found on part number 120.45085. These rotors are designed to provide consistent braking performance and long service life for vehicles like the Mazda 6.

Technical Specifications and Features

This disc brake rotor features a solid design with a smooth surface type, ensuring even pad contact and reliable braking response. The rotor has a nominal thickness of 10.0 mm and a discard thickness of 8.0 mm, indicating when replacement is necessary to maintain safe braking. The outside diameter measures 277.5 mm (10.925 inches), and the overall height is 39.5 mm (1.555 inches). The rotor includes 5 bolt holes arranged on a 114.3 mm bolt circle diameter, compatible with Mazda 6 wheel hubs. The hat section is coated to resist corrosion, extending the rotor's lifespan. This rotor does not include ABS tone rings or bearings and uses a floating disc mounting system.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below discard limits to restore braking efficiency
• Resolving noise or vibration issues related to uneven rotor surfaces
• Upgrading to a corrosion-resistant rotor for improved durability
• Ensuring proper fitment for Mazda 6 brake system maintenance

Installation Notes and Tips

When installing the Centric Premium Disc Brake Rotor 120.45085 on a Mazda 6, ensure the rotor thickness is measured to confirm it meets nominal specifications. Clean the hub surface before mounting to prevent runout. Use proper torque settings on the 5 lug bolts arranged on the 114.3 mm bolt circle diameter. Since this rotor does not include bearings or ABS tone rings, verify compatibility with your vehicle’s existing components. The coated hat finish helps reduce corrosion, but avoid handling the braking surface with oily or greasy hands to maintain optimal friction.

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring reliable performance and safety. The coated hat finish provides added protection against rust and corrosion. While specific warranty details for part number 120.45085 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.