Donaldson's Secondary Fuel filter, SAE J1985 compliant, ensures clean fuel for optimal engine performance. With a 4.28-inch diameter and 4.6-inch length in a Spin-On design, it achieves 99% efficiency at 10 microns. The 7/8-14 thread size accommodates #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.