water pump block off
Yep..........look here.
http://www.mcmaster.com/#sundry-caps/=j3pulu
More specifically...
http://www.mcmaster.com/#sundry-caps/=j3pw49
O.K. three tries and both links go to the same page.
Look under resilient rubber caps.........they have high temp and chemical resistant , but either would work I think.
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