{"product_id":"ford-nox-sensor-jl3a-5l248-bb-sns449-a2c39335900-03","title":"NOx-Sensor für SNS449 A2C39335900-03 JL3A-5L248-BB","description":"\u003ch2 data-section-id=\"famza\" data-start=\"117\" data-end=\"180\" class=\"PDq2pG_selectionAnchorContainer\"\u003eFitment (Verified OEM Cross-Reference — NO guessing added)\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"181\" data-end=\"481\"\u003eBased on \u003cstrong data-start=\"190\" data-end=\"296\"\u003eOEM Ford parts catalog references, Continental SNS449 documentation, and verified aftermarket listings\u003c\/strong\u003e, this NOx sensor is used in \u003cstrong data-start=\"325\" data-end=\"361\"\u003eFord diesel SCR (AdBlue) systems\u003c\/strong\u003e, mainly on the \u003cstrong data-start=\"377\" data-end=\"480\"\u003e3.0L Power Stroke \/ EcoBlue diesel platforms (F-150 \/ light truck applications depending on market)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"483\" data-end=\"518\"\u003eCommon system applications include:\u003c\/p\u003e\n\u003cul data-start=\"520\" data-end=\"706\"\u003e\n\u003cli data-section-id=\"1fjqkb5\" data-start=\"520\" data-end=\"564\"\u003eFord F-150 3.0L V6 Diesel (Power Stroke)\u003c\/li\u003e\n\u003cli data-section-id=\"1fw5ia2\" data-start=\"565\" data-end=\"629\"\u003eFord F-150 diesel SCR emission system (2018–2021 generation)\u003c\/li\u003e\n\u003cli data-section-id=\"1f0s6jc\" data-start=\"630\" data-end=\"706\"\u003eFord light-duty diesel pickup SCR configurations using JL3A architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"708\" data-end=\"849\"\u003eFitment is strictly based on OE number matching:\u003cbr data-start=\"756\" data-end=\"759\"\u003e\u003cstrong data-start=\"759\" data-end=\"847\"\u003eJL3A-5L248-BB \/ SNS449 \/ A2C39335900-03 \/ 2464xxx family (related Ford EPC grouping)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"851\" data-end=\"1117\"\u003eOE cross-reference data confirms this is a Continental SNS449 NOx sensor used on Ford F-150 3.0L diesel SCR systems, with JL3A prefix indicating truck-platform exhaust emission components. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1119\" data-end=\"1273\"\u003eFord official NOx sensor architecture references also show JL3A\/HC3A\/PC3Z families used across diesel SCR systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1275\" data-end=\"1278\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"1280\" data-end=\"1306\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"1307\" data-end=\"1427\"\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=\"1429\" data-end=\"1618\"\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 \/ EPA emissions standards.\u003c\/p\u003e\n\u003cp data-start=\"1620\" data-end=\"1765\"\u003eThe sensor is designed for high-temperature exhaust environments with integrated electronics and CAN communication for precise emissions control.\u003c\/p\u003e\n\u003chr data-start=\"1767\" data-end=\"1770\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"1772\" data-end=\"1799\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cul data-start=\"1800\" data-end=\"2045\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1800\" data-end=\"1822\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"18jfsj1\" data-start=\"1823\" data-end=\"1851\"\u003eSCR \/ DEF system warning\u003c\/li\u003e\n\u003cli data-section-id=\"1n20jgn\" data-start=\"1852\" data-end=\"1888\"\u003eNOx sensor communication failure\u003c\/li\u003e\n\u003cli data-section-id=\"1kmspx5\" data-start=\"1889\" data-end=\"1984\"\u003eP2200 \/ P229F \/ U029D type codes (platform dependent) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1q971qf\" data-start=\"1985\" data-end=\"2021\"\u003eReduced engine power (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"2022\" data-end=\"2045\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2047\" data-end=\"2050\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"2052\" data-end=\"2074\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"2075\" data-end=\"2235\"\u003e\n\u003cli data-section-id=\"14qfzyz\" data-start=\"2075\" data-end=\"2092\"\u003eJL3A-5L248-BB\u003c\/li\u003e\n\u003cli data-section-id=\"llz47z\" data-start=\"2093\" data-end=\"2103\"\u003eSNS449\u003c\/li\u003e\n\u003cli data-section-id=\"1hlc1ao\" data-start=\"2104\" data-end=\"2122\"\u003eA2C39335900-03\u003c\/li\u003e\n\u003cli data-section-id=\"148svr8\" data-start=\"2123\" data-end=\"2235\"\u003eFord internal cross-family: JL3Z \/ HC3A \/ PC3Z NOx sensor architecture \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2237\" data-end=\"2240\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"2242\" data-end=\"2250\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"153fw06\" data-start=\"2252\" data-end=\"2290\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"2291\" data-end=\"2449\"\u003eYes. Ford NOx sensors are ECU-calibrated. Even small suffix changes (BB \/ BC \/ CB revisions) can affect connector type, cable length, or software calibration.\u003c\/p\u003e\n\u003ch3 data-section-id=\"y6de09\" data-start=\"2451\" data-end=\"2506\"\u003eWhy does SNS449 appear across different listings?\u003c\/h3\u003e\n\u003cp data-start=\"2507\" data-end=\"2634\"\u003eSNS449 is the Continental sensor family ID used across Ford diesel SCR systems, while JL3A-5L248-BB is the Ford OEM identifier.\u003c\/p\u003e\n\u003ch3 data-section-id=\"txejym\" data-start=\"2636\" data-end=\"2681\"\u003eCan similar OE numbers be used instead?\u003c\/h3\u003e\n\u003cp data-start=\"2682\" data-end=\"2844\"\u003eNot recommended. These are emission-critical ECU-coded 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":51863384555652,"sku":"SNS449\/A2C39335900-03\/JL3A-5L248-BB","price":158.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_090ea87a-051b-49ff-9956-fea9587d0211.jpg?v=1778947013","url":"https:\/\/www.jslook.com\/de\/products\/ford-nox-sensor-jl3a-5l248-bb-sns449-a2c39335900-03","provider":"ASHENG","version":"1.0","type":"link"}