Location Found:

Mystery Part:

Thanks,
Brian
HoldTheOnions wrote:That's weird. Not 100% sure, but believe it would have come off the pump priming valve, so thinking that's really the problem and need to replace that. Also thinking the tubing is standard 6mm or 8mm silicone tubing that you can get many places. Is it kinda squishy?
jbentham wrote:The pieces you have shown seem to be a check valve of some sort. you found it in the actual tubing itself?