... 2.Powerful Compatibility 3.Integrated Functions CAT-401 Auto Transmission Fluid Changer :Introduction:CAT-401A Auto Transmission Fluid Changer is ... easy to use and maintain. It is based on CAT-401 Auto Transmission Fluid Changer, upgraded from single function ... module, more professional, more reliable, and more affordable. CAT-401A Auto Transmission Fluid Changer integrates the functions of automatic ...