throughly confused....

Here are some casting numbers........

http://www.mymopar.com/extcastnumb.htm

Plus this also.......

http://www.forebodiesonly.com/forum/showthread.php?t=3179

http://www.moparchat.com/FORUMS/showthread.php?p=589740

I believe 2863549 pass. & 2863553 Drivers is correct for you assuming your car is a original 340 "H" code car.