The product is a NEW OEM GM Front Upper Control Arm with the part number 15864153 designed for Chevrolet, GMC, and Cadillac vehicles from 1999 to 2014. It is a direct replacement part for the front upper control arm, suitable for either the left or right side of the vehicle. Made by the original equipment manufacturer (OEM), this control arm ensures quality and compatibility with the specified vehicle models. Easy to install, this part is essential for maintaining proper steering and suspension function in your vehicle.