{"product_id":"nox-sensor-vw-audi-04l907805l-5wk97312-mqb-scr-unit","title":"NOX sensor 04L907805L 04L907807BF 04L907807AC 04L907807S 5WK97312","description":"\u003cp data-start=\"176\" data-end=\"371\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"176\" data-end=\"187\"\u003eFITMENT\u003c\/strong\u003e\u003cbr data-start=\"187\" data-end=\"190\"\u003eCompatible with Volkswagen Group diesel vehicles equipped with SCR (Selective Catalytic Reduction) AdBlue emission systems requiring NOx monitoring.\u003cbr data-start=\"338\" data-end=\"341\"\u003eCommon applications include:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"372\" data-end=\"719\"\u003e\n\u003cli data-section-id=\"ftfi2r\" data-start=\"372\" data-end=\"435\"\u003eVW Golf \/ Tiguan \/ Passat (2.0 TDI SCR Euro 6 MQB platform)\u003c\/li\u003e\n\u003cli data-section-id=\"1biamow\" data-start=\"436\" data-end=\"500\"\u003eAudi A3 \/ Q3 (2.0 TDI SCR variants depending on engine code)\u003c\/li\u003e\n\u003cli data-section-id=\"1h8373g\" data-start=\"501\" data-end=\"547\"\u003eVW Sharan \/ Alhambra (SCR diesel variants)\u003c\/li\u003e\n\u003cli data-section-id=\"184mopz\" data-start=\"548\" data-end=\"605\"\u003eSkoda Octavia \/ Superb \/ Kodiaq (2.0 TDI SCR systems)\u003c\/li\u003e\n\u003cli data-section-id=\"1x1d38c\" data-start=\"606\" data-end=\"660\"\u003eSeat Leon \/ Ateca \/ Alhambra (SCR diesel variants)\u003c\/li\u003e\n\u003cli data-section-id=\"7oqnhs\" data-start=\"661\" data-end=\"719\"\u003eOther VW Group MQB\/MLB 2.0 TDI Euro 6 diesel platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"721\" data-end=\"724\"\u003e\n\u003cp data-start=\"726\" data-end=\"754\"\u003e\u003cstrong data-start=\"726\" data-end=\"752\"\u003eOEM \/ CROSS REFERENCES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"755\" data-end=\"929\"\u003e\n\u003cli data-section-id=\"1eue3m7\" data-start=\"755\" data-end=\"769\"\u003e04L907805L\u003c\/li\u003e\n\u003cli data-section-id=\"180y9lx\" data-start=\"770\" data-end=\"785\"\u003e04L907807BF\u003c\/li\u003e\n\u003cli data-section-id=\"180yx4z\" data-start=\"786\" data-end=\"801\"\u003e04L907807AC\u003c\/li\u003e\n\u003cli data-section-id=\"1eu9qfm\" data-start=\"802\" data-end=\"816\"\u003e04L907807S\u003c\/li\u003e\n\u003cli data-section-id=\"8h92pt\" data-start=\"817\" data-end=\"870\"\u003e5WK97312 (Continental\/VDO sensor cross-reference)\u003c\/li\u003e\n\u003cli data-section-id=\"3z2hg5\" data-start=\"871\" data-end=\"929\"\u003eSNS705 \/ SNS0751C family (platform-dependent variants)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"931\" data-end=\"1085\"\u003eThese part numbers belong to the \u003cstrong data-start=\"964\" data-end=\"994\"\u003esame SCR NOx sensor family\u003c\/strong\u003e, but may represent different software revisions or sensor positions (upstream\/downstream).\u003c\/p\u003e\n\u003chr data-start=\"1087\" data-end=\"1090\"\u003e\n\u003cp data-start=\"1092\" data-end=\"1364\"\u003e\u003cstrong data-start=\"1092\" data-end=\"1104\"\u003eFUNCTION\u003c\/strong\u003e\u003cbr data-start=\"1104\" data-end=\"1107\"\u003eThis NOx sensor is a key part of the SCR exhaust aftertreatment system. It measures nitrogen oxide (NOx) levels in the exhaust and sends data to the ECU to control AdBlue (DEF) injection, ensuring Euro 6 emissions compliance and optimal catalyst efficiency.\u003c\/p\u003e\n\u003chr data-start=\"1366\" data-end=\"1369\"\u003e\n\u003cp data-start=\"1371\" data-end=\"1525\"\u003e\u003cstrong data-start=\"1371\" data-end=\"1378\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1378\" data-end=\"1381\"\u003e\u003cstrong data-start=\"1381\" data-end=\"1418\"\u003eQ1: What does this NOx sensor do?\u003c\/strong\u003e\u003cbr data-start=\"1418\" data-end=\"1421\"\u003eIt monitors NOx emissions in the exhaust and helps the ECU adjust AdBlue dosing to reduce harmful gases.\u003c\/p\u003e\n\u003cp data-start=\"1527\" data-end=\"1672\"\u003e\u003cstrong data-start=\"1527\" data-end=\"1557\"\u003eQ2: Where is it installed?\u003c\/strong\u003e\u003cbr data-start=\"1557\" data-end=\"1560\"\u003eIn the SCR exhaust system, typically mounted before or after the catalytic converter depending on vehicle setup.\u003c\/p\u003e\n\u003cp data-start=\"1674\" data-end=\"1713\"\u003e\u003cstrong data-start=\"1674\" data-end=\"1711\"\u003eQ3: What are symptoms of failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1714\" data-end=\"1862\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1714\" data-end=\"1736\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"1o69clo\" data-start=\"1737\" data-end=\"1770\"\u003eSCR \/ AdBlue warning messages\u003c\/li\u003e\n\u003cli data-section-id=\"1eaq4wc\" data-start=\"1771\" data-end=\"1824\"\u003eNOx sensor fault codes (P2200–P229F range common)\u003c\/li\u003e\n\u003cli data-section-id=\"1myxezf\" data-start=\"1825\" data-end=\"1862\"\u003eLimp mode or reduced engine power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1864\" data-end=\"2064\"\u003e\u003cstrong data-start=\"1864\" data-end=\"1916\"\u003eQ4: Are all listed part numbers interchangeable?\u003c\/strong\u003e\u003cbr data-start=\"1916\" data-end=\"1919\"\u003eThey are from the same sensor family, but \u003cstrong data-start=\"1961\" data-end=\"2011\"\u003emust match ECU calibration and sensor position\u003c\/strong\u003e, so VIN verification is required before replacement.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51652454809732,"sku":"5WK9 7312 \/ 04L907807S","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_4374791a-e743-4f1f-ad45-eb3e10ad31d8.jpg?v=1773993585","url":"https:\/\/www.jslook.com\/products\/nox-sensor-vw-audi-04l907805l-5wk97312-mqb-scr-unit","provider":"ASHENG","version":"1.0","type":"link"}