{"product_id":"oex-knock-sensor-oks221-nissan-350z-hr-370z","title":"OEX Knock Sensor OKS221 - Nissan 350Z HR \/ 370Z","description":"\u003cstyle\u003e\n  .wl-listing { font-family: inherit; color: inherit; max-width: 100%; }\n  .wl-listing p { margin: 0 0 14px; line-height: 1.7; }\n  .wl-listing h2 { font-size: 1.1em; font-weight: 600; margin: 24px 0 10px; }\n  .wl-listing ul { margin: 0 0 16px; padding-left: 20px; }\n  .wl-listing ul li { margin-bottom: 6px; line-height: 1.6; }\n  .wl-listing .wl-lede { font-size: 1.05em; }\n\n  .wl-listing .wl-pull {\n    border-left: 3px solid #1a6ab5;\n    padding: 10px 16px;\n    margin: 18px 0;\n    background: #f4f8fd;\n    border-radius: 0 4px 4px 0;\n  }\n\n  .wl-listing .wl-diagnostic {\n    background: #fff7ed;\n    border: 1px solid #fed7aa;\n    border-radius: 6px;\n    padding: 12px 16px;\n    margin: 18px 0;\n  }\n\n  .wl-listing .wl-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 12px 0 16px;\n    font-size: 0.88em;\n  }\n\n  .wl-listing .wl-table td {\n    border: 1px solid #dde3ea;\n    padding: 7px 10px;\n  }\n\n  .wl-listing .wl-fitment {\n    background: #f8f9fb;\n    border: 1px solid #dde3ea;\n    border-radius: 6px;\n    padding: 12px 16px;\n  }\n\n  .wl-listing .wl-closing {\n    background: #f0f7ee;\n    border: 1px solid #b6d9a8;\n    border-radius: 6px;\n    padding: 14px 18px;\n    margin-top: 20px;\n  }\n\n  .wl-divider { border-top:1px solid #e5e7eb; margin:20px 0; }\n\n  .wl-badge-row { display:flex; gap:8px; margin-bottom:18px; }\n  .wl-badge { font-size:0.75em; padding:3px 10px; border-radius:20px; font-weight:600; }\n  .wl-blue { background:#E6F1FB; color:#0C447C; border:1px solid #85B7EB; }\n  .wl-green { background:#EAF3DE; color:#27500A; border:1px solid #97C459; }\n\u003c\/style\u003e\n\u003cdiv class=\"wl-listing\"\u003e\n\u003cdiv class=\"wl-badge-row\"\u003e\n\u003cspan class=\"wl-badge wl-blue\"\u003eOKS221 · OEX\u003c\/span\u003e \u003cspan class=\"wl-badge wl-green\"\u003eKnock Sensor\u003c\/span\u003e \u003cspan class=\"wl-badge wl-blue\"\u003eOEM Replacement\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"wl-lede\"\u003e\u003cstrong\u003e\u003cspan data-v-42b219b2=\"\" data-testid=\"image-wrapper\" class=\"base-image--wrapper uc-product-heading__brand-logo\"\u003e\u003cimg src=\"https:\/\/www.sparesbox.com.au\/_ipx\/_\/https:\/\/a.storyblok.com\/f\/220775\/500x500\/ab442a3e03\/oex_logo.jpg\" alt=\"OEX\" loading=\"lazy\" data-cy=\"image\" class=\"base-image base-image-loaded\" data-gtm-vis-recent-on-screen9767379_283=\"322004250\" data-gtm-vis-first-on-screen9767379_283=\"322004250\" data-gtm-vis-total-visible-time9767379_283=\"3000\" data-gtm-vis-has-fired9767379_283=\"1\" width=\"150\" height=\"150\"\u003e\u003c\/span\u003e\u003cbr\u003eOEX Knock Sensor – Nissan 350Z \/ 370Z\u003c\/strong\u003e\u003cbr\u003eOKS221\u003cbr\u003e\u003cbr\u003eEngine knocking detection issues can lead to reduced performance, timing retard and poor fuel efficiency. The OEX OKS221 is a \u003cstrong\u003edirect replacement knock sensor designed to accurately detect engine knock and relay this information to the ECU\u003c\/strong\u003e for correct ignition timing control. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cem\u003eWhen diagnosing loss of power, timing retard or knock-related fault codes, the knock sensor is a commonly inspected component within the system.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"wl-pull\"\u003eThe knock sensor detects abnormal combustion (knock) and allows the ECU to adjust ignition timing to protect the engine while maintaining performance.\u003c\/div\u003e\n\u003cdiv class=\"wl-diagnostic\"\u003e\n\u003cp\u003e\u003cstrong\u003eCommon symptoms associated with knock sensor issues:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Reduced engine power\u003c\/p\u003e\n\u003cp\u003e• Poor fuel economy\u003c\/p\u003e\n\u003cp\u003e• Engine knocking or pinging\u003c\/p\u003e\n\u003cp\u003e• Check engine light\u003c\/p\u003e\n\u003cp\u003e• Timing retard under load\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr class=\"wl-divider\"\u003e\n\u003ch2\u003eProduct specifications\u003c\/h2\u003e\n\u003ctable class=\"wl-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eOKS221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eKnock sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr class=\"wl-divider\"\u003e\n\u003ch2\u003eWhy this sensor\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for accurate knock detection\u003c\/li\u003e\n\u003cli\u003eSupports correct ignition timing control\u003c\/li\u003e\n\u003cli\u003eHelps protect engine under load conditions\u003c\/li\u003e\n\u003cli\u003eReliable OEX aftermarket quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"wl-divider\"\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cdiv class=\"wl-fitment\"\u003e\n\u003cp\u003eNissan 350Z Z33 · Select models\u003c\/p\u003e\n\u003cp\u003eNissan 370Z Z34 · VQ37VHR\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 0.88em; color: #6b7280;\"\u003ePosition dependent. Always confirm before ordering.\u003c\/p\u003e\n\u003cdiv class=\"wl-closing\"\u003e\n\u003cp\u003e\u003cstrong\u003eRecommendation:\u003c\/strong\u003e These engines use multiple knock sensors located beneath the intake manifold. Due to labour involved, replacing both sensors during service is commonly considered.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Zend It Auto Parts","offers":[{"title":"Default Title","offer_id":49110048375012,"sku":"OKS221","price":90.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/2679\/0884\/files\/OKS221.jpg?v=1780981173","url":"https:\/\/zenditautoparts.com\/products\/oex-knock-sensor-oks221-nissan-350z-hr-370z","provider":"Zend It Auto Parts","version":"1.0","type":"link"}