benfur,

I have moved your post to the Interiors forum as it's the best place for further discussion.

AM sure many folks will be along shortly to offer info on replacement motors for your "fresh air heater". wink

BTW - be sure and come back and note if you are looking for a 6V or 12V heater motor to get the best possible answers.

Dan

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)