Integrate the OEM Water In Fuel (WIF) sensor and warning light in your 2007.5-2023 Dodge/Ram Cummins Diesel with your AirDog system. This plug-and-play kit utilizes a wiring harness that connects to your OE WIF plug and a sensor that threads into the bottom of your AirDog water separator to retain your OE Water In Fuel light. This kit works for any and all AirDog products when used in conjunction with the AirDog Water Separator (WS100), which is also conveniently supplied in the kit.