Abstract: An end cap comprises a substantially annular cylindrical body defining a cylindrical axis and including an annular skirt portion defining a free open end along the cylindrical axis and a closed end opposite the free open end along the cylindrical axis, the body defining an interior space, and the annular skirt portion includes an outer circumferential surface including a threaded portion disposed proximate the free open end.

Abstract: A filter assembly is disclosed for use with a fuel system. The filter assembly may have a base with a first side, and a second side opposite the first side. The filter assembly may also have a filter extending from the first side of the base, a valve extending from the second side of the base, and a metallic cover having a closed end surrounding the valve and an open end located adjacent the second side of the base. The filter assembly may further have a seal sandwiched between the metallic cover and the base, a retainer connected to the base and extending over the metallic cover, and a fastener threadingly engaged with the retainer and protruding inward to press the metallic cover toward the base.