The Fleetguard LF3681 is a high-quality Lube Spin-On Filter designed to provide excellent filtration for various heavy-duty applications, primarily for Cummins engines. This genuine Fleetguard filter effectively removes contaminants from engine oil, protecting critical engine components from wear and extending engine life. Featuring a robust construction and advanced filtration media, the LF3681 ensures optimal engine performance and reliability. It is a direct replacement for several OEM part numbers, offering reliable cross-compatibility.