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pull the fitting out that metal line screws to, take it to an auto parts store an ask for a 90* barbed fitting to 3/8 hose (what ever size you want) to replace it with and get two it be the same size as the out put on the filter
I found out at school that the fitting is an International specific part, you may need to go there to get it. Sorry I don't have the part number, I may be able to check their service website later when I get home.
The treads on the ip aren't special just the line side that uses that annoying olive.
I don't want the stock one, I should have phrased the tread title differently