Wehrli 13-18 Cummins / 11-16 Duramax Low Coolant Sensor (Use w/ WCFab Coolant Tanks)

Not compatible with the OEM plastic reservoirs. Intended for use only with WCFab aluminum coolant tanks. Not for use with 2001-2010 / 2017-2025 Duramax, see WCF206-19