Max trailering package question

[Geotrash]

Actually, I think there are two P/N, one for the Mechanical Limited Slip Rear Diff, and one for the Electronic Limited Slip...independent of engine.

I see three here:

 

[DuraYuk]

I see three here:

View attachment 388745

5.3 = mechanical LSD smaller ring gear
6.2/duramax = mechanical LSD bigger ring gear
6.2/duramax = electronic LSD bigger ring gear

 

[Geotrash]

5.3 = mechanical LSD smaller ring gear
6.2/duramax = mechanical LSD bigger ring gear
6.2/duramax = electronic LSD bigger ring gear

Very helpful confirmation, thank you.

 

[WalleyeMikeIII]

5.3 = mechanical LSD smaller ring gear
6.2/duramax = mechanical LSD bigger ring gear
6.2/duramax = electronic LSD bigger ring gear

Interesting, when I went to one of the online parts retailers w/ a GM catalog, only 2 came up for the Tahoe and Yukon I looked at...one for electronic and one for Mechanical...but I trust your info more! Thanks!

Ex post facto info: went to parts.gmparts.com and only found 2 of the 3 P/N you show above as availble:
84881479 and 84766418. With Fitment notes as follows

For 84881479

THIS PART FITS VEHICLES WITH APPLICATIONS OUTLINED BELOW:​

• 3.23 Ratio(GU5), ELEC POSITRACTION LIMITED SLIP AXLE(G96)
• EXCEPT L/SLIP DIFF(G86)

For 84766418

THIS PART FITS VEHICLES WITH APPLICATIONS OUTLINED BELOW:​

• • 3.23 Ratio(GU5), L/SLIP DIFF(G86), 9.50 RING GEAR SAGINAW-AMERICAN AXLE

 

[sub08]

I would avoid GMPARTSGIANT - They sent me DORMAN 4WD actuator instead of OEM as I was expecting and I had to pay restocking fee and shipping for it. I will say away from them. I also read lots of people had bad experience with GMPARTSDIRECT.

 

[Geotrash]

I would avoid GMPARTSGIANT - They sent me DORMAN 4WD actuator instead of OEM as I was expecting and I had to pay restocking fee and shipping for it. I will say away from them. I also read lots of people had bad experience with GMPARTSDIRECT.

Yeah, we heard ya on the other thread.