1. Purchase regular filter

Price of fuel water separator from several hundred to several thousand, the quality difference is relatively larger, there are a number of fake and shoddy filter products. If you buy a cheap filter, may lead damage to the entire fuel injector, or even replace the engine, so we need to carefully compare the filter once purchasing.

2. Choose large displacement fuel water separator

If fuel water separator is installed, in order to ensure that the entire engine system of fuel supply, the installation of fuel water separator model must be larger than the original car comes with large capacity.

3. Fuel water separator with heating function in northern China

In cold weather, it’s easy to let the water cup below the water ice, resulting in damage. Especially in the north, many users in order to prevent oil separation filter is frozen, to cover with a thick coat, for insurance purposes, Here we suggested the use of oil-water separation filter with electric heating function.