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Nissan Leaf EM57 motor 2013+ vs 2017+ any difference?

5051 Views 5 Replies 3 Participants Last post by  Dala, 
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Hello,

I want to experiment with the EM57 motor. I noticed, that newer models spec more horsepowers (148 vs 110) even though it's still the same motor designation. Is there any real difference between the motors or it's just battery/inverter upgrade?

The parts catalog shows slightly different part numbers (90A0-3NF4C for old EM57, 290A0-5SA0A for the new one). I thought that could be just a difference in mounting holes or other minor changes.

If there is no difference - I can potentially save tons of money by buying an older EM57 ($700 vs $1500).

Thanks!
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Dala
The inverter is beefier on the newer models. The old 80kW inverter is not able to output even 1kW over spec. So you need the newer inverter (and the old EM57 motor is fine).

I'll create a Youtube video on this topic soon!
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Dala
Yes, the EM57 is interchangable betweej 2013-2017 and 2018-2021. Only minor differences like coolant attachment points, bolt patterns are the same!
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Dala
Video up on what is needed after replacing motor/inverter on the LEAF:
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