Originally Posted by
Crankycrank
I'll add that if you need Metric O-Rings and your local hardware store does not stock them, try one of the big auto parts stores.
I went to local Runnings, they sell everything from fishing tackle to farm needs. They had a large
selection of metric O rings, bought the one closest to what I have.
It didn’t work, even with 30 weight oil applied to it. I have two other working pumps so it’s not that I have to use
this one.