Oil Pressure Sending Unit Socket Name & Size?

MarkVIIIMarc

Registered
My car was leaking oil for a couple days so I went in to investigate. PHEW! Looks like the oil filter sending unit is leaking! Given the alternatives I am thrilled.

I would love to know, what size sending unit socket does it take?

Bonus if you can tell me why it is not shaped for a regular wrench or socket.

Thanks in advance.
 
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