1.This filter is designed to trap your solvents and oils while cleaning, includes holding spring for installation(Spring Makes the filter work stable,better than other filter without that)
2.End cap (OD) thread can interchange with napa4003,wix24003 fuel filter.
1/2"-28 or 5/8"-24 thread on one end,Smooth 1/2" bore on opposite end, Aggressive knurls (texture) on end caps for easy removal and inspection of fuel filter .
3.Can use with Gasoline, Diesel, Alcohol Or Methonol Blended Fuels.
4.Made of high quality Aluminum with paper element.