WISPAUSU Fuel and AC Line Disconnect Plier, 37300 Fuel Line Connector Removal Tool for Replacing Fuel Filters, Quick Disconnect Tool Plier. Fuel and AC Line Disconnect Plier. Application: This Fuel and AC Line Disconnect Pliers should be used with 5/16″, 3/8″ or 1/2″ adapters from 37000 or 39400 Disconnect Tool Kits.