Power Service Diesel 911 Diesel Multifunction Fuel Additive 26 ozThe winter rescue formula of Diesel 911 restores the flow of diesel fuel to an engine caused by gelled fuel or frozen fuel filters. Diesel 911 is a winter emergency use product. This Winter Rescue Formula reliquefies gelled fuel and de ices frozen fuel filters to restore the flow of diesel fuel to an engine. Diesel 911 and Diesel Fuel supplement plus cetane boost are compatible in diesel fuel and may be used at the same time. Removes water Prevents