You may have seen me make a thread recently. I have a G751-JY WH71 and my AC in jack was broken. I ordered this:
https://www.ebay.com/itm/New-DC-Power-Jack-IN-Board-For-Asus-G751JY-WH71-CA31-60NB06M0DC1050/2025072...When I went to replace it, I could install it onto the motherboard, but it seems the form factor is slightly different, specifically the brass supports/screw holes. I can't fully close the laptop becuase the ones on the replacement part are too big, but it does function electrically just fine as far as I can tell.
However I want to get one that's the right size so I can properly close the chassis (at the moment it's cracked open a bit). I found this board on ebay:
https://www.ebay.com/itm/Fit-Asus-ROG-G751JM-G751JS-G751JT-G751JY-G751JL-G751J-G751-DC-Power-Jack-Bo...This one, from visual inspection, looks more like the original part that I removed. The color and size of the supports look identical. Also my original one say "G751jy input board" where this one say s"g751jm input board" so I assume this one is OEM. I want to order this and install it, but since I have a g751jy instead of a jm, I want to check if it's really compatible before I order it. The ebay listing says it is, but the first one said it was the same board too and it wasn't...