The ICP LH Rear Trailing Suspension Arm is a control arm designed specifically for the Subaru Impreza 07-15 WRX STi. Manufactured by ICP and featuring the manufacturer part number SBSU198, this arm is placed on the rear left side of the vehicle. It serves as a crucial component for maintaining the stability and proper handling of the car, providing a reference OE/OEM number of 20250AJ070 for assurance in quality and compatibility.