Rear diff breather
So there aren’t really any water crossings near me in the desert so I’m not sure why I did this mod but I did anyways. I guess the chance of water crossing after a monsoon or flash flood is there.
I purchased the Toyota union part #90404-51319 off of Amazon, a Dorman diff vent part #924-284, about 5’ of 5/16” fuel line, hose clamps and a few zip ties for this mod. I found out later there’s a kit for this. I zip tied the diff vent to the fuel filler neck in a few places. I didn’t extend it thru the rubber flap inside the gas filler door.