{"product_id":"nox-sensor-4g0907807j-4g0907807l-4g0907807s-audi-a6-a7-front-scr-system","title":"NOx Sensor Nitrogen Oxide Catalyst Sensor (Front) 4G0907807J \/ 4G0907807L \/ 4G0907807S for Audi A6 A7 3.0 TDI SCR System","description":"\u003cp data-start=\"145\" data-end=\"235\" class=\"PDq2pG_selectionAnchorContainer\"\u003eFitment\u003cbr data-start=\"152\" data-end=\"155\"\u003eCompatible with Volkswagen Group Euro 6 diesel emission systems (SCR \/ AdBlue)\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"237\" data-end=\"453\"\u003eVehicle applications include:\u003cbr data-start=\"266\" data-end=\"269\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAudi A6\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"306\" data-end=\"309\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAudi A7 Sportback\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"346\" data-end=\"349\"\u003eOther VW Group 4G platform diesel vehicles using OEM part numbers 4G0907807J \/ 4G0907807L \/ 4G0907807S\u003c\/p\u003e\n\u003chr data-start=\"455\" data-end=\"458\"\u003e\n\u003cp data-start=\"460\" data-end=\"465\"\u003eFAQ\u003c\/p\u003e\n\u003cp data-start=\"467\" data-end=\"656\"\u003eQ1: What is this NOx sensor used for?\u003cbr data-start=\"504\" data-end=\"507\"\u003eA1: It measures nitrogen oxide levels in diesel exhaust and sends signals to the SCR system to control AdBlue (DEF) injection and reduce emissions.\u003c\/p\u003e\n\u003cp data-start=\"658\" data-end=\"811\"\u003eQ2: Is this a front or rear sensor?\u003cbr data-start=\"693\" data-end=\"696\"\u003eA2: This is typically a \u003cstrong data-start=\"720\" data-end=\"770\"\u003efront (pre-catalyst \/ upstream SCR) NOx sensor\u003c\/strong\u003e, used to monitor NOx before treatment.\u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1050\"\u003eQ3: Are 4G0907807J, 4G0907807L, and 4G0907807S interchangeable?\u003cbr data-start=\"876\" data-end=\"879\"\u003eA3: They are OEM revision variants within the same sensor family. Exact replacement must match vehicle engine code and calibration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1052\" data-end=\"1242\"\u003eQ4: What vehicles commonly use this sensor?\u003cbr data-start=\"1095\" data-end=\"1098\"\u003eA4: It is mainly used on Audi A6 and A7 C7 3.0 TDI (4G platform) diesel engines with SCR\/AdBlue systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1244\" data-end=\"1377\"\u003eQ5: What are common failure symptoms?\u003cbr data-start=\"1281\" data-end=\"1284\"\u003eA5: Engine warning light, AdBlue system faults, NOx signal errors, or limp mode activation.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51652453892228,"sku":"4G0907807S\/ SNS451","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_028214c7-b57b-4dd3-90f9-83ee7f3a2feb.jpg?v=1773993554","url":"https:\/\/www.jslook.com\/products\/nox-sensor-4g0907807j-4g0907807l-4g0907807s-audi-a6-a7-front-scr-system","provider":"ASHENG","version":"1.0","type":"link"}