Join Date: Sep 2014
Location: Black Diamond, WA
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No Dodges of that era, or any up to current models had/have factory lockers that I'm aware of.
Make sure it doesn't have posi before going any further, most 3rd Gens do, in my experience.
idk how much work it would be to swap in the GM version of the AAM 11.5 axle, but I really like the G80 gov lock that's in most GM heavy duty pickups since the early 2000s.
Considering you'll spend $600-1000 at least in parts to upgrade an open diff truck to a LS or locker, finding a complete axle from another truck could be a more economical alternative.
But consider where you drive. You still have a 4x4, so do you need a posi rear axle or just want one?
07 5.9 Mega, G56, SB Single disk Ceramic clutch, OE 1 piece Al driveshaft, 60hp Industrial injectors, Triple dog, Glacier 2mic filter, BD exhaust brake, ATI Super Damper, BD steering brace, Firestone bags, Big Wig swaybar, 4th Gen 20s and some home made Stableloads.