In case you don't find a used one here, I found a Cardone (74-20070) on Amazon for around $115. Worked perfect on my 3FE.
(Yes. I unscrewed the screws of death on my original)
Keep in mind that US import duty fees kick in around $800. I recently put together a very large order to combine shipping and was hit with a pretty big surprise duty fee.
Yes. Those are the same part numbers I ordered. (Didn't order a panhard, tho)
I also ordered new bolts, washers and nuts. 8 of each:
BOLT, WASHER BASED - 9010518006
WASHER, PLATE - 9020119011
NUT, HEXAGON - 9017018007
Fwiw, I ordered a pair of upper and lower rear control arms and related hardware from partsouq last week for quite a bit less than ordering in the US. Took about 6 days to arrive.
This may not help at all, but I had a similar symptom I was chasing on a 3rd gen 4r. Battery light would intermittently come on. It would occasionally leave me with a dead battery. It ended up being the wiring under the alternator fuse. The nuts had come loose and the wiring was vibrating...
Not that this thread needs anymore input, but if that is a MN truck with 110,000 actual miles, it has never been washed. Or if it has, it's been washed in salt water. I've got a basket case rust bucket minnesota 80 with 270,000 miles and far less frame rust. Buy this only if you hate money.