Changed my oil and filter last night on ATTAK. Dealer gave me filter #5GH-13440-00. Sled had #5GH-13440-20 in it. I replaced it with the -00 thinking it was a substitute. Does anyone know if there is really any functional differece in the oil filters with suffix -00, -10, or -20? I know the length is different, but does it truly matter? Dealer admitted mistake, gave me another filter and recommended I install the correct one. I don't feel like doing it again. Any one know the real story?