AC blower housing repair?

Hi Brian;
I've been told I'm good but I don't know what kind of Piper airplane you have. Or the N number so I can get into the correct parts manual.
Thanks
Steve

At last annual when we put in the led tail beacon and took out the power pack behind the ac blower, I had the back panel out and the blower and evaporator loose, so we could get to the power pack. Doing that I noticed the blower motor/fan housing was cracked all over and leaking like no other, so I taped it up the best I could, as it was 100F outside and didn't feel like taking everything apart. Figured I'd come back in the winter when it wasn't a nightmare to work back there.

I've love to repair it correctly, anyone that has done this? Any suggestions? Is it part number 37997-02?