KOHLER 25 050 22-S Engine Fuel Filter 51 Micron With 1/4-Inch Fuel Line Inside Diameter KOHLER Genuine Part Universal Fuel Filter, 51 Micron Filtration, For Use With All KOHLER Engines With 1/4-inch I.D. Fuel Line Not for fuel injected engines Compatible with greater than 10% ethanol fuel Warranty - 90 days against defects in materials or workmanship