KitchenAid 4162546 mixer brush holder assembly kit.
This kit includes everything in the Brush Assembly except the brushes.  Includes brush holder, spring cap, spring, and brush cap.  This original KitchenAid mixer kit will ONLY fit the K45SS, K5SS and later models.  This kit is not interchangeable with the older style, or Pre-SS mixers that originally had the brass fittings.