So my stock power steering return lines are cracked so i went and bought some 3/8 line. The damn thing will not fit. Anyone have any idea where to find stock sized line? Im guessing stock is 10mm, but nowhere has that size, or even 7/16"

 

3/8" line is the correct size. It takes some muscle to get them on. Tip: Grab a q-tip, soak it in ATF, coat the inside of the new hose with it and give it another shot. Twisting/wiggling while pushing it on seemed to help lol

 

Lol @ soak it in atf... Me along with the hose, ground and whole underside were soaked in it. I managed to get it on an inch on each side with some insane muscle. It's ridiculous, there has to be a better solution