fish2live Posted August 8, 2008 Share Posted August 8, 2008 i have a 2004 johnson 4 stroke 90. does anyone know off hand what the oil filter number might be? and it looks like you have to take the plastic off to get at the oil filter or is there another way? Link to comment Share on other sites More sharing options...
marine_man Posted August 8, 2008 Share Posted August 8, 2008 I think it's this P/N: 5033539But you'll want to double check with the dealer, unless you can provide your full model number - which the dealer would like to have if possible.Yes, I believe you will have to remove hte plastic to replace it.marine_man Link to comment Share on other sites More sharing options...
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