1、OE Number: The referencing OE number of this ATV handlebar switch are 5LP 83973 01 00, 5LP 83973 00 0, molded and designed depend on the original data. 2、Fitment: The engine run off headlight switch is a replacement for Raptor 660 660R, please check the model of your ATV before ordering. 3、Convenient Engine Start: This ATV handlebar switch allows for easy and convenient engine start, eliminating the need to reach for the key or use additional starting mechanisms. 4、Headlight Control: This handlebar switch also includes a headlight switch with high, low, and off options, allowing riders to optimize visibility based on their needs and riding conditions. 5、Integrated Choke Lever: The choke lever on this handlebar switch provides users with effortless control over the ATV's choke, ensuring smoother engine performance during cold starts.