Home / Appliance / Parts / Humidifier Fan Motor 4376 Humidifier Fan Motor 4376$188.79 Price may not be up-to-date. In Stock View Product Part Number: 4376 Brand: CARRIER BOCK Seller: Sears PartsDirect Categories: Appliance, Parts 60-day return policy Description This fan motor (part number 4376) is for humidifiers. Fan motor 4376 spins the fan blade that moves air through the humidifier. Unplug the humidifier before installing this part. Wear work gloves to protect your hands.