My heater has a 4 blade fan, too. There's a set screw on the side of it that holds it to the shaft on the flat edge.

Are you saying that the 12v motor you bought did not come with a fan?
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Last edited by Otto Skorzeny; 12/07/2022 4:25 PM.
1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)