5spd manual trans, transfer case, detroit air lockers questions.

[DeathByNissan55]

Here are all the ID tags in the glove box (hard to read), the VIN, and a pic of the transfer case.

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Sorry for the bad picture of the transfer case. My truck is chassis lifted not suspension lifted.

I hope you can read the tags. Let me know what you think.

Also the rear diff is 10 bolt cover.

 

[outalne94z71]

it looks like it may say gu6 for gear which is 3:42 ratio , that is a np241c case, as far as a factory rear locker the g80 would have been listed after the gu6 just before the jb5 brake code so it did not come with a locker from the factory

 

[orrdnek]

new to this forum. but i came across a refrence to this post from google and it raised questions about my truck. I have a 94 k1500 and i have the GT4 G80 codes so i know ive got 3.73 gears but ive been in the mud and dont seem to have a locker in the rear??? can u give me some sugestions to see if its functioning or if its not is it easily repairable? or should i just look to aftermarket locker. I do play off road but i typically dont abuse my truck so id be willing to go back to stock locker if price is a lot less. also how is the locker engadged?