Yep, sorry. I realized that when I compared the 6006 to 6007. Where am I gonna find this serial # without climbing in?! I'm 100% sure this is the serial number that the tech used to decode production date to the 125th day of 2021, though.
No that is the serial number... It's an older (and cheaper engine on the Ford Parts sites) $5k vs $5.5k, I am willing to bet that there are some minor engineering changes from the older to the newer.
MB3Z-6006-A <- Probably pre-production
vs
MB3Z-6007-AA <- our original part numbers
vs
MB3Z-6007-B <- later part number from what I can tell or perhaps an interchange part
MB3Z-6007-C <- later part number from what I can tell or perhaps an interchange part
Maybe @flip can shed some light on these numbers and my confusion. I am really new to this whole Ford/Bronco culture.... so I feel like a blind man poking around. I really don't know because I can't get access like a tech or dealer.
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