I have an original OG box component AND on my other xbox, I use the one you can see on your Ebay-link (I bought them here: https://www.benl.ebay.be/itm/Hellfire-Trading-Original-Classic-Xbox-AV-HD-Component-TV-Cable-Lead/130956079213?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649),
I can see no difference between both (the OG box x component has digital-audio, so you can hear the difference o.c.)