{"product_id":"2004-06-nissan-maxima-zz5-engine-control-module-ecu-ecm-a56-x51-zz5-5329","title":"2004-06 Nissan Maxima ZZ5 ENGINE CONTROL MODULE ECU ECM A56-X51 ZZ5 5329","description":"\u003ch3\u003e2004–2006 Nissan Maxima 3.5L Engine Control Module ECU\/ECM — A56-X51\u003c\/h3\u003e\n\u003cp\u003eRestore 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.\u003c\/p\u003e\n\u003cp\u003eProgramming, coding, or Nissan Anti-Theft System synchronization may be required before operation. Professional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Genuine Nissan\u003c\/li\u003e\n\u003cli\u003eManufacturer: Hitachi Ltd.\u003c\/li\u003e\n\u003cli\u003eProduct type: Engine Control Module \/ Engine Control Unit (ECM\/ECU)\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: A56-X51\u003c\/li\u003e\n\u003cli\u003eComplete label reference: A56-X51 ZZ5 5329\u003c\/li\u003e\n\u003cli\u003eAdditional number shown: 21824955\u003c\/li\u003e\n\u003cli\u003eCompatible vehicle: Select 2004–2006 Nissan Maxima models\u003c\/li\u003e\n\u003cli\u003eEngine: 3.5L\u003c\/li\u003e\n\u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e\n\u003cli\u003eConnector ports: 2\u003c\/li\u003e\n\u003cli\u003eTerminal type: Pin and blade\u003c\/li\u003e\n\u003cli\u003eLocation: Behind the glove box\u003c\/li\u003e\n\u003cli\u003eProgramming required: Yes\u003c\/li\u003e\n\u003cli\u003eVintage part: No\u003c\/li\u003e\n\u003cli\u003eCountry of manufacture: Japan\u003c\/li\u003e\n\u003cli\u003eQuantity included: One ECM\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 month\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e “ZZ5” is part of the module’s identification\/calibration reference and should not be presented as the Maxima’s chassis designation. Match the complete \u003cstrong\u003eA56-X51 ZZ5 5329\u003c\/strong\u003e label with the original unit and verify compatibility by VIN, transmission, emissions specification, production date, and vehicle equipment before ordering.\u003c\/p\u003e\n\u003cp\u003eThe pictured unit shows light scratches, scuffs, and cosmetic wear consistent with previous use. Review all photos for its exact condition.\u003c\/p\u003e","brand":"GERMAN AUDIO TECH","offers":[{"title":"Default Title","offer_id":44284308422769,"sku":"A56X51ZZ55329","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/7093\/files\/Screenshot2026-08-23at6.40.38PM.png?v=1787535652","url":"https:\/\/www.germanaudiotech.com\/products\/2004-06-nissan-maxima-zz5-engine-control-module-ecu-ecm-a56-x51-zz5-5329","provider":"German Audio Tech","version":"1.0","type":"link"}