mopar parts washer

You had trouble with a power steering pump. Isn't that a more complicated pump and therefore more prone to that sort of thing? Did you ever try an oil pump?

I was planning to hang one of these deep fryer oil filters in the bucket just below the inlet, so the big stuff and sludge would hopefully get caught on the way in. These filters cost about 10 cents in quantity from restaurant supply houses. I can just throw them away along with the sludge and grit. They're about 10" in diameter so should last awhile without plugging up and overflowing.

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Another idea would be to spin the pump the opposite direction so the solvent gets filtered before it enters the pump. Would a spin on oil filter work if the direction of the flow were reversed?