1.  Purchase the formal factory produced filter

The market price of the fuel water separator differs from several hundred to several thousand and the quality also differs greatly. There are also some fake filters. If purchased the fake filter in cheap price, it may lead to fuel spray nozzle broken and even replace the engine, so when purchasing filters, it needs to compare seriously.

2.  Choose large discharge capacity fuel water separator

If it is the retrofitting fuel water separator, in order to confirm the oil supply of the whole engine system, the discharge capacity of the retrofitting separator must be bigger than the original.

3.  The north use the fuel water separator with the heating function

In cold weather, the water under the cup is easily frozen and cause damage. Especially in north area, many users cover thicky clothes in order to prevent the fuel water separator being frozen and damaged, and for sure, it suggests to choose the fuel water separator with the heating function.