Filter cartridges; air cleaner assemblies; housings; features; components; and, methods

A filter cartridge comprising:

• (a) a filter media pack comprising first and second, opposite, flow ends, with media extending therebetween;
• and,
• (b) a pinch seal arrangement having first and second, opposite, pinch seal housing engagement surfaces;
• (i) a second one of the first and second, opposite, pinch seal housing engagement surfaces being a contoured seal surface with at least one housing engagement projection/recess member therein, and the second one of the first and second, opposite, pinch seal housing engagement surfaces extending completely around the filter media pack;
• (ii) the at least one housing engagement projection/recess member comprising a projection arrangement including at least one projection positioned on a portion of the pinch seal arrangement;
• (iii) the at least one projection including first and second opposite transition regions extending away from adjacent portions of the second housing engagement surface, each at an angle within the range of 15° to 75°, inclusive, relative to a plane perpendicular to a direction between the flow ends;
• and,
• (iv) each transition region includes a straight transition section.