A clogged fuel filter could lead to contaminants in the engine fluid - a common source of engine system failures. Protect fuel pumps and fuel injectors from these costly malfunctions. A Purolator Fuel Filter scrubs fuel clean of dirt, rust and other contaminants for smooth and efficient engine performance. Product Features:Removes water from the fuel systemPrevents rust and corrosion in your engineKeeps fuel contaminant freeReplace annually for peak performanceMeets or exceeds OE specifications