Power Service Diesel Fuel Supplement Antigel +Cetane Boost ensures you are Ready for the Road Ahead as an excellent solution for preventing fuel gelling and fuel filter plugging in the winter months. Power Service’s unique diesel fuel supplement formula includes Slickdiesel Lubricator, which helps prevent fuel pump and injector wear from low-quality ultra low sulfur diesel fuel (ULSD). As a result, this heavy duty winterization additive allows you to have a worry-free winter on the road. FleetPride is your First Click in Heavy Duty .