Optimize your engine's fuel quality with Donaldson's ISO 19438-approved 3.02-inch Spin-On Fuel filter. At just 3.26 inches in length, this filter offers a 9-micron rating (99% efficiency) for superior filtration. The M16 x 1.5 thread size ensures easy installation, making it compatible with #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.