2004-06 Nissan Maxima ZZ5 ENGINE CONTROL MODULE ECU ECM A56-X51 ZZ5 5329
2004–2006 Nissan Maxima 3.5L Engine Control Module ECU/ECM — A56-X51
Restore proper engine-management operation with this Genuine Nissan Engine Control Module, intended for compatible 2004–2006 Nissan Maxima models equipped with the 3.5L engine. Manufactured in Japan by Hitachi, the unit features a durable metal housing, bolt-on mounting points, and two integrated pin-and-blade connector ports.
Programming, coding, or Nissan Anti-Theft System synchronization may be required before operation. Professional installation is strongly recommended.
Product details:
- Brand: Genuine Nissan
- Manufacturer: Hitachi Ltd.
- Product type: Engine Control Module / Engine Control Unit (ECM/ECU)
- Manufacturer part number: A56-X51
- Complete label reference: A56-X51 ZZ5 5329
- Additional number shown: 21824955
- Compatible vehicle: Select 2004–2006 Nissan Maxima models
- Engine: 3.5L
- Mounting style: Bolt-on
- Connector ports: 2
- Terminal type: Pin and blade
- Location: Behind the glove box
- Programming required: Yes
- Vintage part: No
- Country of manufacture: Japan
- Quantity included: One ECM
- Warranty: 1 month
Important: “ZZ5” is part of the module’s identification/calibration reference and should not be presented as the Maxima’s chassis designation. Match the complete A56-X51 ZZ5 5329 label with the original unit and verify compatibility by VIN, transmission, emissions specification, production date, and vehicle equipment before ordering.
The pictured unit shows light scratches, scuffs, and cosmetic wear consistent with previous use. Review all photos for its exact condition.
