Centric 120.45079 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.45079

The Centric Premium Disc Brake Rotor 120.45079 is engineered for reliable braking performance on Mazda CX-9 vehicles. Designed with precision, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with Mazda CX-9 models
• Part number: 120.45079
• Vented disc brake rotor with smooth surface
• Coated hat finish for corrosion resistance
• 5 bolt hole configuration with 114.3 mm bolt circle diameter
• Nominal thickness of 18 mm and discard thickness of 16 mm
• Overall diameter of 324 mm and height of 56 mm
• Floating mounting type for improved rotor alignment

Product Line: 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 consistent braking performance, featuring rotors with vented designs and protective coatings. The 120.45079 rotor benefits from this engineering approach, providing Mazda CX-9 owners with a reliable replacement part that maintains factory-level braking characteristics.

Detailed Product Description

This disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The smooth surface type ensures even pad contact and wear, contributing to consistent stopping power. The rotor’s coated hat finish offers protection against rust and corrosion, extending the service life of the component. With a nominal thickness of 18 mm and a discard thickness of 16 mm, this rotor provides clear service limits for maintenance. The 5-bolt hole pattern with a 114.3 mm bolt circle diameter matches the Mazda CX-9’s hub specifications, ensuring proper fitment. The floating mounting type allows slight movement to accommodate thermal expansion and improve rotor alignment.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Mazda CX-9
• Improves braking performance by restoring proper rotor thickness
• Reduces brake noise and vibration caused by uneven rotor surfaces
• Prevents brake fade through enhanced heat dissipation
• Addresses corrosion-related rotor damage with coated hat finish

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below 16 mm discard thickness
• Ensure hub surface is clean and free of debris for proper rotor seating
• Use proper torque specifications on the 5 mounting bolts to avoid rotor warping
• Check compatibility with Mazda CX-9 model year and brake system before purchase
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring durability and consistent braking performance. While specific warranty details for part number 120.45079 are not provided, Centric typically offers coverage against manufacturing defects. It is recommended to consult product documentation or the manufacturer for exact warranty terms.