Re-Using oil pump?

I know what most are thinking from the title, but I am not talking about using the pump from a 100k mile motor. I am wondering about using the pump I had on my motor before. It has about 3000 miles on it so really has very little use, and worked perfectly when I had it running.

The motor came apart because I had a lame hole, and that just turned into a full rebuild essentially, no metal or anything went though the motor.

Is there a way that I can check the pump? And should I try and clean it? It's been sitting in a clean place ever since I took it out of the motor in the first place.