OEM Furnace Blower Motor Fits Zhongshan Broad-Ocean ZWK702B5380701 KMSAH013C02. This is a brand new OEM upgraded Furnace Blower Motor. It is a direct replacement for Zhongshan Broad-Ocean. It replaces the part numbers listed below. An electric motor converts electrical energy into mechanical energy. In an HVAC system, motors typically turn the air conditioning fan blade and the furnace blower motor. Newer high efficient motors, such as X13 and ECM motors, have end caps that control the motor speeds. These can be removed and replaced separately. Replaces Old Part #s. Partial List of Units that Use This Item. Hit Ctrl + F and enter your model number for a quick search!