I dot no for sure the model of the rearend in the car it is disc brake but they are not on vehicl

I want to seeif you can run the numbers off y rearend to see what bake calibersand rotors I need to purchase I have no idea but the numbers is left side chassi 125333 upside down n chunkit asclock timedat about two oclock ith letters g180 by it on the right side it has nubers gm30 I would like to know what it is and how much would set upbe for this vehicle bolts and all it has spindals is all