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Thread: 420AT rear diffs from 09-14 and 15-up Reply to Thread
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  Topic Review (Newest First)
07-05-2019 01:44 PM
420AT rear diffs from 09-14 and 15-up

Wife's Rancher AT has not turned into a 1 wheel drive in the rear. I'm guessing stripped splines in the ring gear.

First thing I checked was prices on whole diffs vs buying just the ring gear/seals. Looks like the 09-14 is $500ish, while the newer version is $300ish.

The schematics on the 15-up look like they might be swappable, but this pic of a later rear diff shows 4 mounting points where the earlier rear IRS diffs only had 2. l

That said, this ad also claims to be for a 2015 420FA and it looks like my 09. Guy said he bought it for his 2011 and it didn't fit. x

@toodeep, have you happened to compare the two styles to see what changes have happened?

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