Choose Donaldson's Spin-On Fuel filter, meeting SAE J1858 standards. Its 3.18-inch outside diameter and 6.93-inch length, combined with 9-micron efficiency (99%) through cellulose media, provide superior filtration. The 1-14 UN thread size enhances ease of installation, making it a dependable choice for #1 or #2 Diesel, Kerosene, and Biodiesel up to B100.