OK, guys. I don't know what's going on with some of these trucks. Like I said earlier, my Mopar 285 Oil Filter fit easily through the hole in the fender well. I put it in closed-end first, keeping the gasket end tilted upward as much as possible because I had pre-filled it with a bout a 1/2 qt of oil. It fit easily. Here's a pic of my fender well: