Fuel Filter

Its role is to filter out the engine fuel and gas systems in the harmful particles and water to protect the oil pump nozzle, cylinder, piston ring, to reduce wear and tear to avoid clogging. The iron oxide contained in the fuel is filtered off.

Even if the diesel fuel before adding diesel fuel tank before the precipitation and filtration, is clean, but in the refueling process, due to refueling tools, refueling environment, fuel tank mouth is not clean and other factors will still make diesel pollution, and in the diesel engine running process, due to Infusion of impurities in the fuel system, suspended in the air Shen Ai, will also make diesel pollution, so the car's diesel filter is essential, not to mention the diesel fuel tank before joining the tank is not necessarily really clean.