Search:

That's it. Thank you Sir.

A close out cap is what I've called them. A real hardware store should have them, or some auto parts stores will have them by size. A quick Google search didn't come up with any, but I'll try again...

OK, it was a traditional vent. The bronze vents are cased in brass, but allow the case to vent, but keep oil in. They are used mostly in hydraulic systems, but also on some crank cases and rearends.

Pretty productive day! The rubber snubbers should put just enough tension on the hood to prevent the Willys hood dance.

Did the Timken rear end originally have a vent tube? I wonder if it had a...