{"product_id":"delphi-post-cat-oxygen-sensor-350z-hr-370z-oxy1645","title":"Delphi Post-Cat Oxygen Sensor – 350Z HR \/ 370Z – OXY1645","description":"\u003cstyle\u003e\n  .zi-listing { font-family: inherit; color: inherit; max-width: 100%; }\n  .zi-listing p { margin: 0 0 14px; line-height: 1.6; }\n  .zi-listing h2 { font-size: 1.08em; font-weight: 700; margin: 24px 0 10px; padding: 0; border: none; }\n  .zi-listing ul { margin: 0 0 16px; padding-left: 20px; }\n  .zi-listing li { margin-bottom: 6px; line-height: 1.5; }\n  .zi-badges { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 20px; }\n  .zi-badge { display: inline-block; padding: 6px 10px; border-radius: 5px; font-size: 0.78em; font-weight: 700; line-height: 1.2; }\n  .zi-badge-dark { background: #25282d; color: #ffffff; }\n  .zi-badge-grey { background: #f3f4f6; color: #374151; border: 1px solid #d8dce1; }\n  .zi-badge-blue { background: #eaf3fc; color: #145b96; border: 1px solid #bdd7ef; }\n  .zi-fitment { background: #f7f9fb; border: 1px solid #dce2e8; border-radius: 6px; padding: 13px 16px; margin: 12px 0 18px; }\n  .zi-fitment p { margin: 4px 0; }\n  .zi-table { width: 100%; border-collapse: collapse; margin: 12px 0 18px; font-size: 0.9em; }\n  .zi-table th { background: #f3f4f6; border: 1px solid #dde3ea; padding: 8px 10px; text-align: left; font-weight: 700; color: #374151; width: 34%; }\n  .zi-table td { border: 1px solid #dde3ea; padding: 8px 10px; vertical-align: top; }\n  .zi-related { background: #f7f9fb; border: 1px solid #dce2e8; border-radius: 6px; padding: 13px 16px; margin: 12px 0 18px; }\n  .zi-related p { margin: 0; }\n  .zi-related a { color: #145b96; font-weight: 700; }\n  .zi-check { background: #fff9eb; border: 1px solid #e4cf98; border-radius: 6px; padding: 14px 16px; margin-top: 20px; }\n  .zi-check p { margin: 0 0 8px; }\n  .zi-check p:last-child { margin-bottom: 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"zi-listing\"\u003e\n  \u003cimg src=\"https:\/\/df3qf64ldp5qt.cloudfront.net\/ts1728526950\/attachments\/Category\/4078\/DELPHI_logo_blue_rgb-01.tag.logo.jpg\" alt=\"Delphi\" width=\"140\" style=\"display:block;width:140px;max-width:140px;height:auto;margin-bottom:18px;\"\u003e\n\n  \u003cdiv class=\"zi-badges\"\u003e\n    \u003cspan class=\"zi-badge zi-badge-dark\"\u003eDelphi OXY1645\u003c\/span\u003e\n    \u003cspan class=\"zi-badge zi-badge-blue\"\u003ePost-Cat \/ Sensor 2\u003c\/span\u003e\n    \u003cspan class=\"zi-badge zi-badge-grey\"\u003e4-Pin Direct Fit\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003cp\u003eDelphi OXY1645 is a direct-fit downstream oxygen sensor for the listed Nissan 350Z HR and early 370Z applications. Installed after the catalytic converter, it measures exhaust oxygen downstream of the converter so the vehicle can monitor catalyst operation.\u003c\/p\u003e\n\n  \u003cp\u003eThis is the post-cat Sensor 2 position. It is not the upstream or pre-cat air–fuel ratio sensor.\u003c\/p\u003e\n\n  \u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\n  \u003cdiv class=\"zi-fitment\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNissan 350Z HR (Z33):\u003c\/strong\u003e VQ35HR, 2007–2008\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eNissan 370Z (Z34):\u003c\/strong\u003e VQ37VHR, 2009–2013\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eSensor position:\u003c\/strong\u003e Post-catalytic converter \/ downstream\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eBank position:\u003c\/strong\u003e Bank 1 Sensor 2 or Bank 2 Sensor 2\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e One sensor supplied; two fitted per vehicle\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n\n  \u003ctable class=\"zi-table\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003ctd\u003eDelphi\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eDelphi Part Number\u003c\/th\u003e\n        \u003ctd\u003eOXY1645\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBarcode \/ GTIN\u003c\/th\u003e\n        \u003ctd\u003e9316042751499\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eComponent\u003c\/th\u003e\n        \u003ctd\u003eOxygen \/ lambda sensor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eInstallation Position\u003c\/th\u003e\n        \u003ctd\u003ePost-cat \/ downstream \/ Sensor 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eConnector\u003c\/th\u003e\n        \u003ctd\u003e4-pin direct-fit connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eCable Length\u003c\/th\u003e\n        \u003ctd\u003eApproximately 475 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePackage Quantity\u003c\/th\u003e\n        \u003ctd\u003eOne sensor\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhy Choose Delphi?\u003c\/h2\u003e\n\n  \u003cp\u003eDelphi brings extensive original-equipment engineering experience to its engine-management and sensor range. Its oxygen sensors use application-specific connectors and harnesses, providing a clean direct-fit installation without the wiring joins required by universal sensors.\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eEstablished automotive engine-management brand\u003c\/li\u003e\n    \u003cli\u003eApplication-specific four-pin connector and cable\u003c\/li\u003e\n    \u003cli\u003eSuitable for either downstream bank on the listed vehicles\u003c\/li\u003e\n    \u003cli\u003eDirect replacement format with no universal wire splicing\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eOrdering the Correct Quantity\u003c\/h2\u003e\n\n  \u003cdiv class=\"zi-related\"\u003e\n    \u003cp\u003eEach exhaust bank uses its own downstream sensor. This listing includes \u003cstrong\u003eone sensor\u003c\/strong\u003e. If both Bank 1 Sensor 2 and Bank 2 Sensor 2 are being replaced, select a quantity of two.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eCommon Diagnostic References\u003c\/h2\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eP0136 or P0141 — Bank 1 Sensor 2 circuit or heater fault\u003c\/li\u003e\n    \u003cli\u003eP0156 or P0161 — Bank 2 Sensor 2 circuit or heater fault\u003c\/li\u003e\n    \u003cli\u003eP0420 or P0430 — catalyst-efficiency fault requiring further diagnosis\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cdiv class=\"zi-check\"\u003e\n    \u003cp\u003e\u003cstrong\u003eCheck before ordering:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eConfirm the scan-tool fault relates to Sensor 2, not Sensor 1.\u003c\/li\u003e\n      \u003cli\u003eConfirm the vehicle has a VQ35HR or VQ37VHR engine within the listed years.\u003c\/li\u003e\n      \u003cli\u003eCompare the existing four-pin connector and cable routing with the product image.\u003c\/li\u003e\n      \u003cli\u003eThis part is not listed for 350Z DE or RevUp engines.\u003c\/li\u003e\n      \u003cli\u003eThis part is not listed for 2014-onward 370Z applications.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003e\u003cem\u003eAn oxygen-sensor or catalyst-efficiency fault code does not prove the sensor has failed. Wiring faults, exhaust leaks and catalytic-converter problems can produce similar readings, so diagnosis should be completed before ordering.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Delphi","offers":[{"title":"Default Title","offer_id":48707635249380,"sku":"OXY1645","price":174.32,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/2679\/0884\/files\/OXY1645.jpg?v=1775798705","url":"https:\/\/zenditautoparts.com\/products\/delphi-post-cat-oxygen-sensor-350z-hr-370z-oxy1645","provider":"Zend It Auto Parts","version":"1.0","type":"link"}