74 duster codes

numbers after L2 are 867 as they made appox 1000 cars a day why wouldnt this be the 867th car made that day? i am going to try and post a pic. of the fender tag. wish me luck. thanks again for your help. only other code on my car i havent figured out is G64 but i found a mirror that goes on the sunvisor in the glove box. maybe????wow weird stuff. g for glass makes sense to me.