Donaldson Fuel Filter, Water Separator Spin-On Twist&Drain - P551122.
Donaldson fuel filters help prevent premature injector and pump wear by delivering clean fuel to your engine. Donaldson manufactures fuel filters for diesel engines that meet or exceed your application requirements. Donaldson Twist&Drain™ filters are available with multiple style drains valves, including integrated water-in-fuel (WIF) sensors or threaded sensor ports that work with your existing OEM sensors.