Centric 320.50009F Disc Brake Rotor - Rear

Centric GCX Rear Rotor for Sorento

Centric GCX Elemental Protection Disc Brake Rotor, part number 320.50009F, is built for rear brake service on the 2003-2006 Kia Sorento. It combines a fully coated disc finish with a coated hat finish to help resist corrosion while maintaining a smooth braking surface.

For drivers searching for a rear brake rotor for 2003-2006 Kia Sorento models, 320.50009F provides the dimensions and vented construction needed for a direct-fit replacement. The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line is focused on corrosion protection across exposed rotor surfaces.

Key Features

• Fits 2003-2006 Kia Sorento, rear
• Part number: 320.50009F
• Fully coated disc finish with coated hat finish
• Vented rotor design with straight vanes
• Smooth surface type for consistent pad contact
• Outside diameter: 12.402 in. / 315.000 mm
• Nominal thickness: 0.787 in. / 20.000 mm
• Discard thickness: 0.724 in. / 18.400 mm
• 5-lug pattern with 5 mounting bolt holes
• Center hole diameter: 3.791 in. / 96.300 mm

Product Details

Centric GCX Elemental Protection Disc Brake Rotors - Full Coating are engineered with corrosion-resistant coating on the disc and hat areas to help protect the rotor from environmental exposure. This rear rotor for the Kia Sorento uses a vented, straight-vane design and a smooth friction surface to support stable brake pad contact during routine braking service. The rotor measures 3.449 in. overall height and uses a 5 x 5.500 in. bolt circle with 5 lug holes.

This part number, 320.50009F, is a direct replacement-style rear disc brake rotor for 2003, 2004, 2005, and 2006 Kia Sorento applications. It is a practical choice when replacing worn rear rotors on a Kia Sorento and when corrosion protection is a priority in brake maintenance.

Common Brake Issues It Can Address

• Rear rotor wear that has reached discard thickness
• Brake pulsation caused by rotor surface irregularity
• Corrosion on exposed rotor and hat surfaces
• Reduced braking consistency from uneven pad contact
• Noise related to worn or damaged rear rotors

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, and rear position before installation on the 2003-2006 Kia Sorento. Inspect brake pads, caliper hardware, and hub condition during service, and clean the hub mounting surface before installing the new rotor. Follow the vehicle manufacturer’s torque specifications and bedding procedure after installation.

Quality Assurance

Centric GCX Elemental Protection rotors are built with coated surfaces to support corrosion resistance in brake service. Part number 320.50009F is specified for rear fitment on the 2003-2006 Kia Sorento. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.