The Detroit 5133191 is a genuine OEM fuel filter designed for Detroit Diesel Series 50, Series 60, and various 2-Stroke engines including 3-53, 4-53, 6V-53, 8V-53, 3-71, 4-71, 6-71, 6V-71, 8V-71, 12V-71, 16V-71, 6V-92, 8V-92, 12V-92, 16V-92, and 8.2L models. This filter ensures clean fuel delivery, protecting critical engine components and maintaining peak performance. It is a direct replacement for original equipment, offering reliable filtration for heavy-duty applications.