7384683 Motor and Cam Kit for Water Softener/Filter 
Fits ONLY the standard valve size.  Does NOT fit the larger 1" high flow control valves. 
See images above to make sure this model fits your softener or filter system.
Fits many different brands, ie:  NorthStar, EcoWater, Kenmore, Whirlpool, GE, Morton, Rheem, Etc.