Whiteline Front Control Arm Lower Inner Rear Bushing (Standard Repl.) - 2004-2005 Kia Optima EXWhiteline Front Control Arm Lower Inner Rear Bushing Fitment: 2004 2005 Kia Optima EX Part #: W53493 Overview The Whiteline Front Control Arm Lower Inner Rear Bushing is a high quality replacement component designed specifically for the suspension system of the 2004 2005 Kia Optima EX. This bushing plays a vital role in maintaining proper wheel alignment, steering response, and overall vehicle stability. Crafted to restore factory like performance, it