AC blower motor replacement - inter-model compatibility

#1
Hi,

I own a Singapore Corolla 2003 model (NZE 121R), and the ac blower motor seems to be nearing the end of its life (brushes seem to be bad...was advised to replace the motor as opposed to repairing). I've sourced a used oem blower motor from a U.S. model however the part numbers differ slightly - U.S. model: 87103-02050; my model: 87103-12050. I went to the toyodiy site hoping to compare the diagrams of both models, and it seems that they differ, although I am not 100% certain. Can anyone shed some light on this? Are the two parts interchangeable?

Thanks
 
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