Roosa Master micron filter recommendations

TheSkycrane

New User
Hello all. I spent the day researching the forum and I wanted another opinion on what my course of action should be. I have a 172 Diesel engine and was looking at using a spin on filter housing with water separator. I see a lot of people use a two filter housing with a primary filter around 20-40 microns and a secondary filter up to 10 microns. I have a 1962 standyne/ roosamaster pump and a single filter housing. My tractor is a loader so I didn't want a lot of space going to filters. Would a single filter like a Wix 33005 be ok? It is a 3 micron filter. Or should I just use a 10 micron filter? Or should I use a two filter setup?

My thoughts were just to use a single water separator 3 micron filter and be done.

Thank you!

This post was edited by TheSkycrane on 07/28/2021 at 05:58 pm.
 
I don't know what the micron rating was of the original filter, however it's safe to say that it was nowhere near 3.

The lower micron rating you can go, the better. Only problem is, since there's no external transfer pump on your engine, bleeding a filter
like that could be next to impossible without installing some sort of electric pump somewhere.
 
Original part number for the filter on that tractor was 86546599, which cross references to a Wix 33165, which Wix says has a nominal micron rating of 10.
 

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