Centric 320.45091F Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotor

The Centric GCX Elemental Protection Disc Brake Rotor - Full Coating (part number 320.45091F) is engineered for reliable braking performance on Mazda CX-9 models. Designed with a fully coated disc and hat finish, this solid rotor offers corrosion resistance and durability for consistent stopping power.

• Fully coated disc and hat for enhanced corrosion protection
• Solid rotor design with smooth surface finish
• Nominal thickness of 0.433 inches (11.000 mm) and discard thickness of 0.354 inches (9.000 mm)
• Outside diameter of 12.791 inches (324.900 mm)
• Floating disc mounting and 5 lug holes with 0.524 inch (13.300 mm) diameter
• Compatible with Mazda CX-9 models

Product Line Details: Centric GCX Elemental Protection Disc Brake Rotors - Full Coating

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a full protective coating to resist rust and corrosion. This coating extends the rotor’s service life and maintains a clean appearance, which is especially beneficial for vehicles like the Mazda CX-9 that may be exposed to varying weather conditions. The full coating on both the disc and hat ensures comprehensive protection compared to standard rotors with partial or no coating.

Technical Specifications and Features

This disc brake rotor features a solid, smooth surface type designed for consistent brake pad contact and heat dissipation. The rotor’s overall height measures 1.776 inches (45.100 mm), with a center hole diameter of 2.677 inches (68.000 mm) and a mounting bolt hole circle diameter of 4.500 inches (114.300 mm). It includes five stud/lug holes, each with a diameter of 0.524 inches (13.300 mm), suitable for secure mounting on the Mazda CX-9. The rotor weighs approximately 13.55 lbs (6.16 kgs), balancing durability and ease of installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor corrosion and rust buildup affecting braking efficiency
• Improving braking performance with a fully coated rotor for longer service life
• Resolving noise issues related to uneven rotor surfaces
• Upgrading to a rotor compatible with Mazda CX-9 for reliable fitment

Installation Notes and Tips

When installing the Centric GCX Elemental Protection Disc Brake Rotor 320.45091F on a Mazda CX-9, ensure the rotor surface is clean and free of any contaminants before mounting. Verify the rotor thickness is above the discard thickness of 0.354 inches (9.000 mm) to maintain safety standards. Use proper torque specifications for the 5 lug nuts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so confirm compatibility with your vehicle’s braking system components.

Quality Assurance and Warranty

Centric rotors undergo rigorous quality control to meet or exceed OEM specifications. The full coating process helps prevent premature rust and corrosion, contributing to the rotor’s longevity. While specific warranty details are not provided here, Centric typically offers coverage against manufacturing defects. Always consult product documentation or the manufacturer for exact warranty terms.