Oil pump identification
 

Need your help. Don't know who makes this oil pump. Only numbers I see are 04 6. Seeing if it will work for '91 and earlier Evo. All bolt holes line up in pre 92 case, so I'm guessing it will work. Just need to verify.

https://cimg9.ibsrv.net/gimg/www.hdf...738b70eca3.jpg
https://cimg2.ibsrv.net/gimg/www.hdf...c3da042aac.jpg
Feed side
https://cimg9.ibsrv.net/gimg/www.hdf...3242aeec34.jpg
Cover