THESE KITS ELIMINATE ALL ELECTRONICS REQUIRED BY THE OEM 4WD ACTUATOR SIMPLIFYING DIAGNOSTICS AND REPAIR. THEY ARE LESS EXPENSIVE THAN THE OEM ELECTRONIC ACTUATOR, MUCH MORE RELIABLE, AND CARRY A LIFETIME GUARANTEE. THEY ARE CURRENTLY IN USE THROUGH THE UNITED STATES, CANADA, EUROPE, AUSTRALIA, GREENLAND, NEW ZEALAND, GUAM, RUSSIA, AND MORE AND HAVE BEEN IN USE SINCE 2013.