Green Bearing 8.75 Axle Leak

Ya I realized after I put it all back together I should have taken pictured :( 77bulnblu you are totally right. The guy I got the housing from said it wad a truck unit that he shortened. That totally makes sense. While things were out I soaked the pads in brake cleaner and cleaned all the other parts.originally I had the vent closed and in hoping that was why fluid was leaking out. Unfortunately I did not have bearing grease with me, so soon I'll have to take it apart again to repack the bearings. I plan in keeping an eye on it to see if it still leaks with the vent open.
BTW when everything was disassembled I inspected the parts and they all looked fine.