LIQUID FILTER ASSEMBLIES; FEATURES; COMPONENTS; AND, METHODS

A liquid filter cartridge, comprising:(a) a filter media surrounding an open filter interior;(i) the filter media defining a central axis and having first and second ends;(b) a second end construction positioned at the second end of the media;(i) the second end construction being open, and including a central spigot projecting away from the media and surrounding and defining a central liquid flow;(ii) a seal member positioned on the spigot to define a seal pattern non-orthogonal to the central axis of the media; and,(iii) a non-seal member of a projection/receiver rotational alignment arrangement positioned on the second end construction at a location to engage another member of the projection/receiver rotational alignment arrangement on a liquid flow collar, in selected rotational alignment, in use;wherein the non-seal member of a projection/receiver arrangement on the second end construction includes a first, radially outwardly projecting, interference projection positioned in projection radially outwardly from an exterior surface of the central spigot; andwherein:(a) the first, radially outwardly projecting, interference projection is positioned spaced axially from an end tip of the central spigot; and,(b) the seal member is oriented with a portion thereof extending across a portion of the spigot located between the first, radially outwardly projecting, interference projection and the end tip of the central spigot.