I know this is not 100% original , but why could a more modern fine metric thread or a SAE thread be used as a stuff ?, the average guy would never know as well there may be a modern source to get new ones for a newer truck ?
sure would be easier dont you think ?
Does anyone have a pic and measurnments of a NOS one to see exactly what the measurments are ?, I bet if you do enough searching a person could find a replacment and save alot of hard work ??.......... maybe