Compatibility: 2003-2004 Lexus GX470 4.7L 2003-2004 Toyota 4Runner 4.7L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
This product would be ideal for Lexus GX470 owners requiring replacement or upgrade of 2003-2004 engine's 4.7L 02 Oxygen Sensor, specifically designed to accommodate upstream and downstream installations.
