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MEC33-520 B1 / MEC33520 B1 Nissan Elgrand E51 3.5L VQ35 Engine Computer ECU | JDM OEM Module.
Genuine Nissan Elgrand E51 Engine Control Unit (ECU/ECM) for the 3.5L VQ35 V6 engine.
This unit provides full ignition timing control, fuel mapping, throttle response calibration, emission monitoring, and CAN communication with transmission, ABS, BCM, EPS, and immobilizer systems.
If your Elgrand is experiencing rough idle, loss of power, misfire codes, throttle body malfunction warnings, communication faults, or starting issues, a correct ECU match is required.
This is a JDM specification module (Japan Domestic Market), compatible only with vehicles configured for the original MEC33-series ECU.
Programming or immobilizer pairing may be required depending on your Elgrand’s specification.
| Make | Model | Chassis | Year Range | Engine | Market | OEM / ECU Code |
|---|---|---|---|---|---|---|
| Nissan | Elgrand | E51 | 2002–2010 | 3.5L VQ35DE | JDM | MEC33-520 B1 |
| Nissan | Elgrand | E51 | 2002–2010 | 3.5L VQ35DE | JDM | XB Variant |
JDM ECU version, verify coding type before purchase
Must match MEC33-520 B1 for correct operation
Immobilizer coding may be required
Tested genuine OEM electronics
Suitable only for VQ35DE-equipped E51 models
Nissan Elgrand E51 ECU MEC33-520
Elgrand 3.5 VQ35 engine ECU replacement
Nissan Elgrand MEC33-520 B1 ECU
JDM Elgrand ECU E51 VQ35
OEM Nissan ECU Elgrand 3.5L
Nissan Elgrand engine computer module
VQ35DE Elgrand engine ECM
MEC33-520 B1 ECU Nissan
Elgrand 3.5L ECU programming required
Nissan E51 OEM ECU JDM
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