It was very easy to find the needed part on the website. It was packaged well and arrived quickly. Perfect!
Blower housing 5000dd/dm-housing only
19_7/16 x 29.75 x about 32.5 "
Housing only for 5000dd/dm - housing only
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.