I’ve searched the internet and cannot find the answer so I’ll ask the experts.
Need to do an oil change on the van. 1.9 waterboxer but the sump plug is as below. Is this original or a fix? It’s pretty solid so haven’t put any force on it as I don’t want break it and give myself a headache

I can’t work out if this is meant to be square or just that beat up it’s now like this
