The R1 Concepts Geo-Carbon drilled and slotted brake rotor for 2001–2005 Ford Explorer Sport Trac (front left) is a single-wheel replacement rotor specified for the front left position. It is identified with the Geo-Carbon designation and a drilled-and-slotted surface pattern and intended for use on the listed Sport Trac model years as the front-left rotor.
R1 01-05 Ford Explorer Sport Trac Front Left Drilled & Slotted Geo-Carbon Rotor