{"product_id":"audi-nox-sensor-4g0907807h-5wk97211","title":"Sensore NOx per 5WK97211 4G0907807H","description":"\u003ch2 data-section-id=\"l0zaa4\" data-start=\"112\" data-end=\"124\" class=\"PDq2pG_selectionAnchorContainer\"\u003eFitment\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"125\" data-end=\"317\"\u003eBased on OE catalog cross-reference data, \u003cstrong data-start=\"167\" data-end=\"192\"\u003e4G0907807H \/ 5WK97211\u003c\/strong\u003e is used in Volkswagen Group \u003cstrong data-start=\"221\" data-end=\"272\"\u003eMLB platform diesel V6 TDI SCR (AdBlue) systems\u003c\/strong\u003e, mainly on Audi A6 \/ A7 generation vehicles.\u003c\/p\u003e\n\u003cp data-start=\"319\" data-end=\"347\"\u003eCommon applications include:\u003c\/p\u003e\n\u003cul data-start=\"349\" data-end=\"552\"\u003e\n\u003cli data-section-id=\"c5mhqx\" data-start=\"349\" data-end=\"393\"\u003eAudi A6 (C7 \/ 4G chassis) 3.0 TDI diesel\u003c\/li\u003e\n\u003cli data-section-id=\"1tzcerm\" data-start=\"394\" data-end=\"443\"\u003eAudi A7 Sportback (4G chassis) 3.0 TDI diesel\u003c\/li\u003e\n\u003cli data-section-id=\"15bwf8k\" data-start=\"444\" data-end=\"493\"\u003eAudi A6 Allroad (4G platform) diesel variants\u003c\/li\u003e\n\u003cli data-section-id=\"unjhsj\" data-start=\"494\" data-end=\"552\"\u003eSCR (AdBlue) emission systems (Euro 6 V6 TDI platform)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"554\" data-end=\"628\"\u003eFitment is strictly based on OE number matching: \u003cstrong data-start=\"603\" data-end=\"628\"\u003e4G0907807H \/ 5WK97211\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"630\" data-end=\"807\"\u003eOE cross-reference data confirms this sensor is part of the Continental \/ Vitesco NOx sensor family used across EA897 V6 TDI SCR systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"809\" data-end=\"812\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"814\" data-end=\"840\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"841\" data-end=\"961\"\u003eThis NOx sensor measures nitrogen oxide (NOx) concentration in diesel exhaust gases and sends real-time data to the ECU.\u003c\/p\u003e\n\u003cp data-start=\"963\" data-end=\"1113\"\u003eIt is part of the SCR (Selective Catalytic Reduction) system and regulates AdBlue injection strategy to reduce emissions and ensure Euro 6 compliance.\u003c\/p\u003e\n\u003cp data-start=\"1115\" data-end=\"1248\"\u003eThe sensor is an integrated electronic module designed for high-temperature exhaust environments and continuous emissions monitoring.\u003c\/p\u003e\n\u003chr data-start=\"1250\" data-end=\"1253\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"1255\" data-end=\"1282\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cp data-start=\"1283\" data-end=\"1322\"\u003eCommon symptoms of failure may include:\u003c\/p\u003e\n\u003cul data-start=\"1324\" data-end=\"1494\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1324\" data-end=\"1346\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"tb88yx\" data-start=\"1347\" data-end=\"1395\"\u003eP2200 \/ P229F fault codes (system dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"9918q9\" data-start=\"1396\" data-end=\"1427\"\u003eSCR \/ AdBlue system warning\u003c\/li\u003e\n\u003cli data-section-id=\"1yecva8\" data-start=\"1428\" data-end=\"1470\"\u003eReduced engine performance (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"1471\" data-end=\"1494\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1496\" data-end=\"1499\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"1501\" data-end=\"1523\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"1524\" data-end=\"1670\"\u003e\n\u003cli data-section-id=\"9r09mq\" data-start=\"1524\" data-end=\"1538\"\u003e4G0907807H\u003c\/li\u003e\n\u003cli data-section-id=\"1d3ovwd\" data-start=\"1539\" data-end=\"1551\"\u003e5WK97211\u003c\/li\u003e\n\u003cli data-section-id=\"cc62me\" data-start=\"1552\" data-end=\"1670\"\u003eContinental \/ Vitesco reference family (SNS450C equivalent in some listings) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1672\" data-end=\"1675\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1677\" data-end=\"1685\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"qplmuk\" data-start=\"1687\" data-end=\"1722\"\u003eWhat does this NOx sensor do?\u003c\/h3\u003e\n\u003cp data-start=\"1723\" data-end=\"1826\"\u003eIt measures nitrogen oxide levels in diesel exhaust and sends data to the ECU for SCR emission control.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1q3hz4t\" data-start=\"1828\" data-end=\"1863\"\u003eWhich vehicles use this part?\u003c\/h3\u003e\n\u003cp data-start=\"1864\" data-end=\"1963\"\u003eIt is commonly used in Audi A6 C7 (4G) and A7 3.0 TDI diesel models equipped with V6 EA897 engines.\u003c\/p\u003e\n\u003ch3 data-section-id=\"153fw06\" data-start=\"1965\" data-end=\"2003\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"2004\" data-end=\"2151\"\u003eYes. It is strictly matched by OE number. Even small suffix differences (H \/ J \/ K variants) can indicate different calibration or sensor position.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zz2n8o\" data-start=\"2153\" data-end=\"2199\"\u003eCan similar NOx sensors be used instead?\u003c\/h3\u003e\n\u003cp data-start=\"2200\" data-end=\"2297\"\u003eNot recommended. NOx sensors are ECU-calibrated components and must match exact OE specification.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51863387963524,"sku":"5WK97211\/4G0907807H","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_0d5efe85-0081-460a-95de-18816abf5fa0.jpg?v=1778947100","url":"https:\/\/www.jslook.com\/it\/products\/audi-nox-sensor-4g0907807h-5wk97211","provider":"ASHENG","version":"1.0","type":"link"}