Mopar Fuel/Water Separator Filter Kit - Ram 2500/3500 2013-18

A fuel water separator is a crucial component in diesel engines, including common rail systems like those found in Cummins engines. Its primary function is to separate water and contaminants from the fuel before it reaches the engine. it is indeed recommended to follow the manufacturer's guidelines and replace the fuel water separator at the recommended service intervals. This is a direct, factory replacement for a simple, hassle-free maintenance.