High Quality fuel water separator is quite importent in engine fuel system.A good horse matches a saddle. Of course, a good horse needs a good grass to feed. The same is true for commercial vehicles.
If the water and impurities in the fuel are too much, the performance of the engine will be significantly damaged, and the service life of the engine also will be shortened. Therefore, many drivers choose to install filters on the car.

The function of the diesel fuel filter is to filter out harmful impurities and moisture in the fuel system, protect the normal work of engine, reduce wear and tear, avoid clogging, and improve the engine life. The structure of the diesel filter is approximately the same as that of the oil filter.It has replaceable and  spin-on type.

Copy parts or high copy of fuel filter, although the price is cheap and seems similar appearance,you may think replace it more frequently is same with Genuine.However, it's not true,copy filter can't filtrate water and impurities at all,no matter how frequently you change it,still damage your engine.

If the primary filter can not fully filter the water and impurities in diesel fuel,also has great harm for engine common rail system and nozzle, affecting the life of the engine.

Therefore, please choose the genuine fleetguard diesel fuel filter and Parker Racor fuel water separator,protect your truck and engine better!

The end cover of Parker filter is distinguished by color. The filter in picture is Parker Racor 1000FH fuel water separator,and 10micron, 30 micron primary filter. The blue represents 10 micron primary / two stage filter, and brown represents 2 micron two stage filter.