I ran Walmart SuperTech Dex in my '97 GM trans and t-case. Same brand of gearlube went in the differentials of that truck.
Truck I have now gets the same Walmart fluids of required type/viscosity.
2005 2500 Cummins/48RE/3.73, QCLB, 4wd, BigHorn, Edge Juice w/ CTS + Turbo Timer,Transgo Shift Kit ISSPro Oil and LP pressure gauges, GDP 20/2 filters, Custom Diesel Steering Box Brace
'10 Forest River Shockwave Toy Hauler 21'
Honda EU3000I Genny