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I recently bought 3.73 gears with a g80 locker for my old truck but since then I have totaled it and these gears and locker were never put in. I got them from a fellow member named pittman. They have approximately 50,000 miles on them and I'm asking $290 shipped to your door. They are for the rear and are out of a 2007 Z71.
 

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So this is for a 3.73 G80? Is it the whole axle or just the differential? How hard is it to swap the diffs on these things?
 

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It's not a difficult job. If you're staying with your original ratio, or if it's already a 3.73, then you can either swap the crown gear over t the locker, or even just drop it in with the installed gear on. Keep your spacers to their original sides, and compare the lash before and after. I've done many, and never had a problem as long as I kept the spacers in their original spot.

That's a good deal.
 

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It's not a difficult job. If you're staying with your original ratio, or if it's already a 3.73, then you can either swap the crown gear over t the locker, or even just drop it in with the installed gear on. Keep your spacers to their original sides, and compare the lash before and after. I've done many, and never had a problem as long as I kept the spacers in their original spot.

That's a good deal.
I'd be swapping from a non-locker 3.42, does that make it more difficult?
 

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I thought it took axle housing and chunk to have a G 80... ???
 

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The G80 is the carrier. It holds the ring gear, and houses the spider gears.

If you want to do a full gear and G80 swap you should probably replace the bearings as well ($50-60).

Alternatively, you could unbolt the G80 and replace the factory carrier and voila - you have a locker.

That said, a driveline shop is best at doing the install to get things adjusted just right.
 

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Skizzo it'd be a pretty simple swap for you of your running 3.42s. Just bolt your ring gear to the g80 and reassemble. Check backlash before and after but as long as you use the same shims you should be fine. I swapped from 3.73 to 4.11 and used all the original shims in my old diff and it all worked out fine.
 

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I've beat on his truck enough I think lol. I did get more cutting discs for my angle grinder.
 

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I recently bought 3.73 gears with a g80 locker for my old truck but since then I have totaled it and these gears and locker were never put in. I got them from a fellow member named pittman. They have approximately 50,000 miles on them and I'm asking $325 shipped to your door. They are for the rear and are out of a 2007 Z71.
how much just for locker???
 

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So you don't have to swap the housing to ne a G80 ???
 

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As was stated by Gway you don't need to replace the whole axle assembly. You only need to replace the carrier or center section or whatever you want to call it. For those who haven't done this before, remember the ring gear bolts are right hand thread.
 

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Nice tip..
Did not know that !!! Thanx !!!
 
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