Any easy way to tell the difference of both pumps by a casting number or other marking? Looks like they have 1622 on them then a 6 7 8 etc beside that. Putting my 6.1 back together and want to use the right pump.


68 Road Runner, 69 Belvedere, 71 Challenger Vert
340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z
66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram