1、Fitment: Fit for TRX400EX, Sportrax 1999‑2008; Fit for TRX400X 2009‑2014; Please confirm whether your model is applicable before buying. 2、Replacement OEM Number: The part number for reference is 17217 HN1 00, please confirm whether it is consistent with the OE you need. 3、Dust and Debris Protection: With its secure fit, the air box lid effectively prevents dust, dirt, and debris from entering the air intake system, ensuring cleaner engine operation. 4、Durable Construction: Made from ABS materials, the ATV air box lid is built to withstand rugged off road conditions, providing long lasting durability and reliability. 5、Easy Installation: The air box lid is designed for easy installation, allowing you to quickly and hassle free replace your existing lid with minimal effort.