The invention relates to a cover (20) for a secondary part (2) of an electrical linear motor (1), wherein the secondary part (2) includes at least one first and one second secondary partial element (12), and wherein each secondary partial element (12) comprises a toothed profile, and wherein the cover (20) extends over the toothed profiles of the first and second secondary partial elements (12), forming a continuous surface. The invention further relates to a secondary part (2) comprising a cover (20) and a linear motor (1) comprising a secondary part (2) and a cover (20).