$4 here. ENGINE_KIT_PARTS_PAGE_3
Unfortunately you'd have to wait for shipping, just for such a dinky part.
I agree, go to Ace or True Value or something like that and poke around through the specialty stuff. In a pinch, you could get a small bolt and nut (1/4-20 maybe) and drill a small hole through the bolt near the head. poke the cable through and tighten the nut very tight.