For Sale is a 1939-1940 Ford Hot Air Heater Manifold, NOS, part # 91A-18478-A. It is new, never been used. This is for use with the 90 and 100 HP Flathead V-8 Engine (does not fit 60 horse). Sam's Vintage Ford Parts has been supplying the Restoration Community for 50 plus years. Shipping to U.S. 48 States will be $ 30.00 for FedEx Ground. Shipping to other locations will be through Ebay International Shipping.