{"product_id":"nox-sensor-8k0907807c-5wk96638b-audi-a4-s4-passat-sharan-scr-system","title":"NOx Sensor Nitrogen Oxide Sensor 8K0907807C \/ 5WK96638B for Audi A4 S4 VW Passat Sharan SCR Diesel System","description":"\u003cp data-start=\"130\" data-end=\"220\"\u003eFitment\u003cbr data-start=\"137\" data-end=\"140\"\u003eCompatible with Volkswagen Group Euro 6 diesel emission systems (SCR \/ AdBlue)\u003c\/p\u003e\n\u003cp data-start=\"222\" data-end=\"484\"\u003eVehicle applications include:\u003cbr data-start=\"251\" data-end=\"254\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAudi A4\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"291\" data-end=\"294\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAudi S4\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"331\" data-end=\"334\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eVolkswagen Passat\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"371\" data-end=\"374\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eVolkswagen Sharan\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"411\" data-end=\"414\"\u003eOther VW Group vehicles using OEM part number 8K0907807C \/ 5WK96638B\u003c\/p\u003e\n\u003chr data-start=\"486\" data-end=\"489\"\u003e\n\u003cp data-start=\"491\" data-end=\"496\"\u003eFAQ\u003c\/p\u003e\n\u003cp data-start=\"498\" data-end=\"691\"\u003eQ1: What is the function of this NOx sensor?\u003cbr data-start=\"542\" data-end=\"545\"\u003eA1: It measures nitrogen oxide levels in diesel exhaust and sends data to the SCR system to control AdBlue (DEF) injection and reduce emissions.\u003c\/p\u003e\n\u003cp data-start=\"693\" data-end=\"879\"\u003eQ2: Where is this sensor installed?\u003cbr data-start=\"728\" data-end=\"731\"\u003eA2: It is installed in the exhaust aftertreatment system, typically upstream or downstream of the SCR catalyst depending on vehicle configuration.\u003c\/p\u003e\n\u003cp data-start=\"881\" data-end=\"1053\"\u003eQ3: Are 8K0907807C and 5WK96638B interchangeable?\u003cbr data-start=\"930\" data-end=\"933\"\u003eA3: Yes, 8K0907807C is the OEM number and 5WK96638B is a Continental aftermarket reference for the same sensor family.\u003c\/p\u003e\n\u003cp data-start=\"1055\" data-end=\"1210\"\u003eQ4: Is this used across multiple VW platforms?\u003cbr data-start=\"1101\" data-end=\"1104\"\u003eA4: Yes, it is used across B8 Audi and MQB-era VW diesel SCR systems including Passat and Sharan models.\u003c\/p\u003e\n\u003cp data-start=\"1212\" data-end=\"1345\"\u003eQ5: What are common failure symptoms?\u003cbr data-start=\"1249\" data-end=\"1252\"\u003eA5: Engine warning light, AdBlue\/SCR system faults, NOx sensor signal errors, or limp mode.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51652454187140,"sku":"8K0907807C\/5WK96638B","price":211.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_16aec62f-627b-41e0-9c42-d731bb3d1c3c.jpg?v=1773993566","url":"https:\/\/www.jslook.com\/products\/nox-sensor-8k0907807c-5wk96638b-audi-a4-s4-passat-sharan-scr-system","provider":"ASHENG","version":"1.0","type":"link"}