Carrier Inducer Draft Motor Replacement Part Replaces 318984-753, 10704, TJ318984-753, AP5634784, 318984753, 323435-730, 321373-712, 321373712, HC21ZE114A Includes Fan Blade & Wiring Harness (Blower Wheel Sold Separately) Shaft Diameter and Length: 5/16 X 1.9 Total Length: 4.4