Axle identification help?

[ElvisJL]

I'll preface this by saying it's probably just me, not the documents but I'm having some trouble figuring out which axle I have in the rear of my 2018 JLU. I've read through several other threads and I'm still a little lost. Attached will be the 3 documents I've read. When I use the vin decoder it says I have the M200 rear axle. The build sticker says a $2000 upgrade package with 8 speed auto, 3rd Gen Dana Solid Rear Axle, Hill Descent Control, and Tip Start. And my pre-owned sticker (just bought) says Brake Actuated Limited Slip Differential.

Is there an axle upgrade that's $2K or was that upgrade on the auto transmission with descent control and the tip start? Any help is appreciated as I'm trying to plan out my build. TIA!

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[Arterius2]

@ElvisJL
You have M200 (D35)

Optioning in Anti-Spin Differential (which you did not) upgrades it to M220 (D44)

Having a manual transmission also gets you M220 (which you did not)

 

[ElvisJL]

Any idea what this "brake actuated LSD" is or do you think that's an error on the previous dealerships part?

 

[Arterius2]

Any idea what this "brake actuated LSD" is or do you think that's an error on the previous dealerships part?

BLD (Brake Lock Differential)
All Wranglers of any trim level have this basic feature.
Applies individual brakes if wheel slippages is detected

Anti-Spin Differential is the LSD(Limited-Slip Differential) (which you did not get)

 

[ElvisJL]

Great to know. Thanks!

 

[Nohair989]

So, if I'm reading this correctly, my '20 JL Sport with the 6 speed manual transmission should have the M186 front and M220 rear axles? I wasn't able to pull a build sheet and my window sticker doesn't make any mention of what they might be. I'm thinking of regearing and would like to be sure before hand. Thanks All

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