Cummins QSB 6.7 426 parts manual

I never knew such documents existed for any engine make.
My engine isn’t on that list…but up to now it has never lost a drop of oil…which is why I am hoping that this time it’s just due to sloppy filling
Boats moored in marinas rarely use oil.
 
I never knew such documents existed for any engine make.
My engine isn’t on that list…but up to now it has never lost a drop of oil…which is why I am hoping that this time it’s just due to sloppy filling
So you’re saying Seacock has been of no help at all…….how unusual!
 
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