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After I replaced 3 OFHG in a year I started to look for a culprit and found out that my oil pressure switch was not working properly. I don't know if I am right but I think that if my oil pressure switch is responsible to open oil bypass valve and is not working properly it created higher than normal pressures inside oil filter housing before bypass valve was opened and that prematurely wore out the gasket. Like I said it's just my theory and I only have a couple k miles since I replaced my oil pressure switch so I can't confirm anything yet
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