Windshield washer pump

[67ChevyPickupMan]

I had gotten a new washer pump from the past Carlisle swap meet and when I checked it the next day to my original one I found that the new one is different. I didn't do too much looking online but the ones I have found so far all been like the new I got. So my question is where can I find an exact match or closer to an exact match for an original style washer pump? My other question is if there is a way for them to be rebuilt completly? Mine as of now doesn't work at all.

Thank you to who reply.
Jack