I do fleet work exclusively.

I stock 5W30,10W30,5W20,15W40,and SAE50 in bulk, and for ATF I have DexIII/Mercon,M5,MerconSP,ATF+4,Sprinter ATF. Coolant I have G05,Low silicate green, Dexcool, CAT ELC.

Even with this, I find I'm often buying fluids I don't h... Login to read more.