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FD N3A1 Alternator Regulator/Rectifier

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Old Nov 2, 2021 | 01:46 PM
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FD N3A1 Alternator Regulator/Rectifier

I managed to fry my alternator after some testing i was doing while wiring my PDM. The coil is good; The rectifier appears to be good. I ended up sourcing an aftermarket regulator and rectifier from a local parts store but the voltage output is very low compared to before. I did switch to an upgraded alternator but i want to fix this to keep as a backup.
Does anyone have a source for a regulator/rectifier to rebuild my OEM alternator?
Mitsubishi brand is preferred but a good equivalent would be ok

Thanks

Last edited by R-R-Rx7; Nov 2, 2021 at 01:51 PM.
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Old Nov 3, 2021 | 08:35 AM
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From: https://www2.mazda.com/en/100th/
https://www.amayama.com/en/part/mazda/n3a218w60
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Old Nov 3, 2021 | 09:18 AM
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yeah thats the oem rectifier
the regulator part number is FS0518W70

i am not looking for oem parts, as they are cost ineffective

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Old Dec 28, 2021 | 09:37 AM
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i ended up getting this regulator from ebay
https://www.ebay.com/itm/292223383136

it seems to be the right one. i will install it on my spare alternator in the next few days when i go back home and i will report back whether its a good oem alternative.
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