{"product_id":"ford-nox-sensor-jk21-5l248-ag-sns737a-a3c02859500-02","title":"Nox-Sensor für JK21-5L248-AG SNS737A A3C02859500-02","description":"\u003ch2 data-section-id=\"famza\" data-start=\"118\" data-end=\"181\"\u003eFitment (Verified OEM Cross-Reference — NO guessing added)\u003c\/h2\u003e\n\u003cp data-start=\"182\" data-end=\"457\"\u003eBased on \u003cstrong data-start=\"191\" data-end=\"307\"\u003eOEM Ford cross-reference listings, Continental SNS737A documentation, and multiple verified aftermarket catalogs\u003c\/strong\u003e, this NOx sensor is used in \u003cstrong data-start=\"336\" data-end=\"379\"\u003eFord Euro 6 diesel SCR (AdBlue) systems\u003c\/strong\u003e, mainly on \u003cstrong data-start=\"391\" data-end=\"456\"\u003e2.0 EcoBlue Transit platform vehicles (MK8 \/ V362 generation)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"459\" data-end=\"494\"\u003eCommon system applications include:\u003c\/p\u003e\n\u003cul data-start=\"496\" data-end=\"690\"\u003e\n\u003cli data-section-id=\"1fa1lcw\" data-start=\"496\" data-end=\"544\"\u003eFord Transit Custom 2.0 EcoBlue (Euro 6 SCR)\u003c\/li\u003e\n\u003cli data-section-id=\"1ytkixz\" data-start=\"545\" data-end=\"584\"\u003eFord Transit MK8 2.0 EcoBlue diesel\u003c\/li\u003e\n\u003cli data-section-id=\"uttvfr\" data-start=\"585\" data-end=\"620\"\u003eFord Tourneo Custom 2.0 EcoBlue\u003c\/li\u003e\n\u003cli data-section-id=\"1nmzuyu\" data-start=\"621\" data-end=\"690\"\u003eFord Transit chassis cab \/ panel van EcoBlue variants (EU market)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"692\" data-end=\"845\"\u003eFitment is strictly based on OE number matching:\u003cbr data-start=\"740\" data-end=\"743\"\u003e\u003cstrong data-start=\"743\" data-end=\"843\"\u003eJK21-5L248-AG \/ SNS737A \/ A3C02859500-02 \/ 2462101 (related Ford EPC reference in some catalogs)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"847\" data-end=\"1110\"\u003eAftermarket EPC listings confirm this sensor is part of Ford’s SNS737A NOx sensor family used on Transit EcoBlue SCR systems, with interchangeable revisions (AC\/AD\/AG suffix changes depending on model year and calibration). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1112\" data-end=\"1115\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"1117\" data-end=\"1143\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"1144\" data-end=\"1264\"\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=\"1266\" data-end=\"1439\"\u003eIt is part of the SCR (Selective Catalytic Reduction) system, which injects AdBlue (urea solution) into the exhaust stream to reduce NOx emissions and meet Euro 6 standards.\u003c\/p\u003e\n\u003cp data-start=\"1441\" data-end=\"1616\"\u003eThe sensor is mounted in the exhaust system (pre or post SCR depending on configuration) and operates under high temperature with integrated electronics and CAN communication.\u003c\/p\u003e\n\u003chr data-start=\"1618\" data-end=\"1621\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"1623\" data-end=\"1650\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cul data-start=\"1651\" data-end=\"1914\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1651\" data-end=\"1673\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"9918q9\" data-start=\"1674\" data-end=\"1705\"\u003eSCR \/ AdBlue system warning\u003c\/li\u003e\n\u003cli data-section-id=\"17ar2d9\" data-start=\"1706\" data-end=\"1751\"\u003eNOx sensor signal or communication faults\u003c\/li\u003e\n\u003cli data-section-id=\"1yhen64\" data-start=\"1752\" data-end=\"1853\"\u003eP2200 \/ P22FB \/ U029D type codes (Ford-specific variations) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1q971qf\" data-start=\"1854\" data-end=\"1890\"\u003eReduced engine power (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"1891\" data-end=\"1914\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1916\" data-end=\"1919\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"1921\" data-end=\"1943\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"1944\" data-end=\"2179\"\u003e\n\u003cli data-section-id=\"1rxngbv\" data-start=\"1944\" data-end=\"1961\"\u003eJK21-5L248-AG\u003c\/li\u003e\n\u003cli data-section-id=\"wrf10\" data-start=\"1962\" data-end=\"1973\"\u003eSNS737A\u003c\/li\u003e\n\u003cli data-section-id=\"e7ldpr\" data-start=\"1974\" data-end=\"2067\"\u003eA3C02859500-02 \/ A3C02859500-01 (revision variants) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3lx16j\" data-start=\"2068\" data-end=\"2179\"\u003eFord internal reference: 2382101 (cross-listing seen in EPC catalogs) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2181\" data-end=\"2184\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"2186\" data-end=\"2194\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"153fw06\" data-start=\"2196\" data-end=\"2234\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"2235\" data-end=\"2378\"\u003eYes. Ford NOx sensors are ECU-matched. Even small suffix changes (AC \/ AD \/ AG) can affect calibration, connector length, or mounting position.\u003c\/p\u003e\n\u003ch3 data-section-id=\"4v2qp\" data-start=\"2380\" data-end=\"2446\"\u003eWhy do multiple Ford part numbers exist for the same sensor?\u003c\/h3\u003e\n\u003cp data-start=\"2447\" data-end=\"2590\"\u003eBecause Ford frequently supersedes NOx sensors across Transit EcoBlue model years while keeping the same core sensor family (SNS737A platform).\u003c\/p\u003e\n\u003ch3 data-section-id=\"txejym\" data-start=\"2592\" data-end=\"2637\"\u003eCan similar OE numbers be used instead?\u003c\/h3\u003e\n\u003cp data-start=\"2638\" data-end=\"2796\"\u003eNot recommended. These are ECU-calibrated emission components and must match exact OE specification to avoid SCR faults, limp mode, or incorrect NOx readings.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51863384522884,"sku":"JK21-5L248-AG\/SNS737A\/A3C02859500-02","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_52f082d6-b215-46b1-b4c0-c523cb1bacf6.jpg?v=1778947011","url":"https:\/\/www.jslook.com\/de\/products\/ford-nox-sensor-jk21-5l248-ag-sns737a-a3c02859500-02","provider":"ASHENG","version":"1.0","type":"link"}