On Most Shovels The Out Oil Line Runs From The Pump To The Tank. Thats Your Line In To The Filter From Thier Run You Line From The Fitler Back To The Tank You Will Not Use You Stock Filter But Return It To The In On The Tank Do Not Use Tw88 Filters There One Way If You Have A Cooler Its A Differant Game. You Will Need To Trace The Oil Line That Leaves The Pump And Start From There.