I noticed that several truckers had converted their rectangular headlights to LED. By coincidence I stumbled onto this:
Rectangular Headlights | Raney's Truck Parts (https://www.raneystruckparts.com/rectangular-headlights/)
Might help those with the older Foretravels looking to brighten up the night.
Keith
2pcs 4X6" CREE LED Headlight Red & White DRL Hi/Lo Beam Truck Replacement... (https://www.ebay.com/itm/2pcs-4X6-CREE-LED-Headlight-Red-White-DRL-Hi-Lo-Beam-Truck-Replacement-Lamp/183122687627?_trkparms=aid%3D555019%26algo%3DPL.BANDIT%26ao%3D1%26asc%3D20150817211709%26meid%3D11d8f249137947fab76606e176700538%26pid%3D100506%26rk%3D1%26rkt%3D1%26%26itm%3D183122687627&_trksid=p2045573.c100506.m3226)
Ebay has several styles and cheaper
Go to the site carid.com and put in your vehicle and you can find any headlight,believe the older headlights are from a 92 Bronco.