Thank you to this forum and thread. Bought the part (about $45) from Napa. Installed after cutting away a couple of pesky hose clamps. The problem has gone away!
I was unable to find anything that was offered that would work with the Gator Tonneau cover. So, I turned to a local metal /fabrication shop. They made what you see for about 1/6the cost. And it is lower to the ground so I can reach it. Slapped on some gray paint to hide the shiny aluminum. I...