Home › Forum › Ask A Member › 1989 Johnson new OMC 9.9 fuel pump pn 0397839 › Re: 1989 Johnson 9.9 fuel pump pn 0397839
August 28, 2016 at 1:54 am
#42799
this is a new pump. i have not taken apart and will call the reputable online seller Monday. I should not have to rebuild a new pump at $68 .Just wondering if those holes are for the atmospheric pressure to allow the diaphragms to move freely.
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