The most reasonably priced component used on the Lt-z400 Quad Sport 2004 (k4) Usa (e03) Quadsport Quad-sport Side Cover (model K5/k6) is the Clip.
In this schematic the "Cushion" is used most often.
The Side Cover (model K5/k6) assembly is constructed from several parts from which the Tape,cover Side,r is the most expensive.