Compression Ignition Addict
Join Date: Nov 2005
Location: Atlanta, Ga
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Rear Axle Interchange?
Looking for some clarity on rear differentials/axles.
As I understand it, all of the DRW's have Dana rear axles, and the SRW have the 10.50 Sterling, some Non-Locking (open), some locking (limited slip).
I also read somewhere that you have to pay attention to whether the axle came on a truck order with a "service" package or something like there where the truck was ordered without a bed for the purpose of a flatbed or utility bed/box being installed because the rear axles from those trucks sometimes may have the brackets for some things in different places.
Ok, so beyond those, what are the differences between the axle codes?
For example, in my truck is a 3.73 limited slip, with an axle code of S409H.
Now, can I only swap in another S409H for a true even swap, or as long as it's a 3.73 limited slip, and not a "service" axle, any of the other codes (S409B, S409C, S409E, S409F) will work?
From what I can find, axle codes S406B, S406C, S406E, S406F, S406H, S410A, & S410B are the Non-Locking (open) 10.50 3.73 Sterling axles.
Any insight is appreciated.
'00 Ford F250 4x4 PSD
'89 Pontiac Turbo Trans Am
'03 BMW 530i Sport
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