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2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED
2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED

2004 04 NISSAN 350Z 3.5L MT PCM ECU ECM ENGINE COMPUTER MEC31-520 D2 PE TESTED

Product Description

Part Number

MEC31-520 D2 PE - You must match this!

Programming is required for this ECM!

Fitment/Interchange

  • You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly.
  • ECM will require programming or coding to your vehicle or vehicle's security system and is not plug and play.
  • ECM will fit 2004 Nissan 350Z 3.5L manual transmission models with an exact part number match.

Tech Notes

    ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below:
  • Reference Voltage Good!
  • ECU powered up and has communication!
  • ECU fuel pump/main relay test good!
  • ECU injectors/coils test good and much more!

Install Notes

  • Disconnect the negative terminal of the battery. Make sure the battery connector is not touching the battery post.
  • Disconnect and remove the module to be replaced.
  • Install and connect the replacement module.
  • Connect the negative terminal of the battery.
  • ECM will now need programming or coding to your vehicle.
  • NOTE: Please make sure you do not have a coil or ground issue in the vehicle as a mechanical issue can pop a newly installed ecu.

Item Condition

Pins perfect, none are broken or bent

Warranty / Optional Core Return 

This ECM comes with a 90 day warranty from the date of purchase. Please keep a copy of your purchase record which we will send with your item.

If you would like to send your ecu back for a $30 core refund please let us know during checkout and we will include a prepaid return label with your purchase. Once the core returns we will issue your partial refund promptly. It's that simple. This is optional and you are not obligated to participate.