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®.