I got a $350 Japanese made pump for my koi pond for $100 from warehouse. It was brand new but it leaked the oil from inside into the box so that’s why it was re

I got a $350 Japanese made pump for my koi pond for $100 from warehouse. It was brand new but it leaked the oil from inside into the box so that’s why it was returned. I don’t even think it was turned on. Replaced the oil and works perfectly.