1st gen floor drain plug part number?

[Franken5liter]

Arrrgh!!! Helpppp!!!! Haha I’m stuck trying to find replacement plugs for a 1st gen floor pan, 1988 Std Cab 4x4. Any info in terms of part numbers or interchangeable vehicles??? The oval hole bore measures 3” x 1.5” (pic attached) and I cannot find the right one! LMC sold me something that fits door frame hole 1” x .5” and the body mount hole but does not fit the drain hole!! I’m losing my mind and is keeping me from getting carpet in
Like an idiot I threw the old ones out
Anyways I’m done venting for the moment. Thanks all!

 

[Grumpaw]

Most auto parts stores carry plugs in assorted sizes in their "help" parts area.
If still having trouble, get a piece of rubber, old tire tube, old rubber floor mat, ect. Cut out a piece that overlaps the hole, run a thick bead of caulk around the hole, and close enough to the hole edge so it will ooze out. Rubberized roof flashing caulk is the best way to go..will not harden...stays pliable, and will never leak. Any Lowes or Home Depot carries it in the caulking area, just a few bucks. Slap the rubber patch over it, and call it done.
If it has to be a plug, check Steele Rubber Products. If any one would carry it , it's them.