Donaldson fuel filters are designed to help prevent premature injector and pump wear by delivering cleaner fuel to your engines. • Versatile – no keys necessary for installation; universal interface allows one part to fit multiple applications. • Integrated hose barb allows attaching a hose to drain water to a container. • Fully compatible with OEM accessories such as water collection bowls, drain valves, and water-in-fuel (WIF) sensors.