Going part-time so I took this out. Never given me any issues, 238,000 miles on the truck. Not sure if original but it works. $150 plus the ride if you’re not local.
First time that I've seen this type of coupler offered for sale in the US
https://econosuperstore.com/itm/3-5-ton-off-road-coupling-trailer-towing-swivel-coupling/