1974 - 1978 Datsun 240Z 260Z 280Z ? Heater Blower Housing Untested

Manufacturer: Datsun

I'm listing this for parts or not working, there are some coils inside the housing and I have not tested to see if those heat up or warm up. I do not know the purpose of them but I'm imagining they are supposed to warm up the motor but I cannot save for certain. This is not new when she'll signs of use and age. Please use the pictures to help determine the condition of this item. I am selling this item as is. I will likely remove the flexible sleeve that's on it so as to protect it and to reduce the size of the packaging. The question mark in the title indicates that I'm not sure if this fits the years or the models listed. I took it out of a Datsun 260Z but do not know the year of that either.