43583 1/4 hp 1075 115 v 3 Speed Furnace Blower Fan Motor. Packard Furnace Blower Fan Motor; Part Number 43583 Universal fit for Air Conditioners, Air Handlers, Furnaces, or anything that moves air! Replacement for GE stock number 3583. 4.4 Amps on High Speed. 4-5/8 Length from center of hub to center of hub (for cradle mount). 1/2″ x 4″ Shaft (can be cut down with a hacksaw if needed). Mounts with belly band strap or with 4 studs, studs measure 3-3/4 apart center to center or cradle mount. Electrically Reversible (by flipping 2 wires). Requires a 5 mfd 370 vac run capacitor. Capacitor is not included. Wiring Diagram Printed on Motor. Packard Furnace Blower Fan Motor; Part Number 43583. Universal fit for Air Conditioners, Air Handlers, Furnaces, or anything that moves air. Check out my other items.