{"product_id":"cat-nox-sensor-539-0118-c4-4-c6-6-926m-938m-scr-sensor","title":"Sensore NOX 539-0118 per motore Caterpillar CAT C4.4 C6.6 926M 938M 539-0118","description":"\u003cp data-start=\"149\" data-end=\"284\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"149\" data-end=\"161\"\u003eFITMENT:\u003c\/strong\u003e\u003cbr data-start=\"161\" data-end=\"164\"\u003eCompatible with Caterpillar engines and machines equipped with SCR (Selective Catalytic Reduction) systems, including:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"285\" data-end=\"509\"\u003e\n\u003cli data-section-id=\"3yz4ha\" data-start=\"285\" data-end=\"305\"\u003eCAT C4.4 engines\u003c\/li\u003e\n\u003cli data-section-id=\"1vp0z8u\" data-start=\"306\" data-end=\"326\"\u003eCAT C6.6 engines\u003c\/li\u003e\n\u003cli data-section-id=\"bt8h3u\" data-start=\"327\" data-end=\"348\"\u003e926M wheel loader\u003c\/li\u003e\n\u003cli data-section-id=\"8oi5md\" data-start=\"349\" data-end=\"370\"\u003e938M wheel loader\u003c\/li\u003e\n\u003cli data-section-id=\"1w3jfv5\" data-start=\"371\" data-end=\"412\"\u003e320F \/ 323F excavators (SCR variants)\u003c\/li\u003e\n\u003cli data-section-id=\"1g4ps4c\" data-start=\"413\" data-end=\"448\"\u003e315 \/ 316 \/ 318 series machines\u003c\/li\u003e\n\u003cli data-section-id=\"f0us81\" data-start=\"449\" data-end=\"509\"\u003eVarious CAT construction and industrial SCR applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"511\" data-end=\"543\"\u003eOEM \/ Cross reference numbers:\u003c\/p\u003e\n\u003cul data-start=\"544\" data-end=\"724\"\u003e\n\u003cli data-section-id=\"lrf4lu\" data-start=\"544\" data-end=\"560\"\u003e\u003cstrong data-start=\"546\" data-end=\"558\"\u003e539-0118\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"13gwyb2\" data-start=\"561\" data-end=\"610\"\u003e\u003cstrong data-start=\"563\" data-end=\"608\"\u003e539-0117 \/ 539-0117-03 (related versions)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"vnetzs\" data-start=\"611\" data-end=\"642\"\u003eCAT NOx Sensor Group family\u003c\/li\u003e\n\u003cli data-section-id=\"tjoymr\" data-start=\"643\" data-end=\"724\"\u003e5WK96725A (Continental equivalent platform reference in aftermarket listings)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"726\" data-end=\"925\"\u003e📌 This is a verified \u003cstrong data-start=\"748\" data-end=\"784\"\u003eCaterpillar SCR NOx sensor group\u003c\/strong\u003e used for emissions monitoring and DEF control. (\u003ca data-start=\"833\" data-end=\"922\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/parts.cat.com\/en\/catcorp\/product\/539-0118?utm_source=chatgpt.com\"\u003eparts.cat.com\u003c\/a\u003e)\u003c\/p\u003e\n\u003chr data-start=\"927\" data-end=\"930\"\u003e\n\u003cp data-start=\"932\" data-end=\"947\"\u003e\u003cstrong data-start=\"932\" data-end=\"945\"\u003eFUNCTION:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"948\" data-end=\"1281\"\u003e\n\u003cli data-section-id=\"z2jf2x\" data-start=\"948\" data-end=\"1010\"\u003eMeasures nitrogen oxide (NOx) levels in engine exhaust gas\u003c\/li\u003e\n\u003cli data-section-id=\"1trwp31\" data-start=\"1011\" data-end=\"1075\"\u003eSends real-time data to ECU via J1939 communication protocol\u003c\/li\u003e\n\u003cli data-section-id=\"6go9z0\" data-start=\"1076\" data-end=\"1132\"\u003eControls AdBlue\/DEF dosing for SCR system efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"zwanhl\" data-start=\"1133\" data-end=\"1180\"\u003eMonitors exhaust aftertreatment performance\u003c\/li\u003e\n\u003cli data-section-id=\"rcu1wv\" data-start=\"1181\" data-end=\"1239\"\u003eDetects system faults (open\/short circuit diagnostics)\u003c\/li\u003e\n\u003cli data-section-id=\"1dxalcd\" data-start=\"1240\" data-end=\"1281\"\u003eEnsures EPA \/ EU emissions compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1283\" data-end=\"1286\"\u003e\n\u003cp data-start=\"1288\" data-end=\"1316\"\u003e\u003cstrong data-start=\"1288\" data-end=\"1314\"\u003eINSTALLATION POSITION:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1317\" data-end=\"1470\"\u003e\n\u003cli data-section-id=\"refoia\" data-start=\"1317\" data-end=\"1357\"\u003e\u003cstrong data-start=\"1319\" data-end=\"1355\"\u003eEngine-out (upstream) NOx sensor\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"6seg2a\" data-start=\"1358\" data-end=\"1409\"\u003eInstalled before SCR catalyst in exhaust system\u003c\/li\u003e\n\u003cli data-section-id=\"alok8v\" data-start=\"1410\" data-end=\"1470\"\u003eWorks with downstream NOx sensor for full SCR monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1472\" data-end=\"1475\"\u003e\n\u003cp data-start=\"1477\" data-end=\"1566\"\u003e\u003cstrong data-start=\"1477\" data-end=\"1496\"\u003eIMPORTANT NOTE:\u003c\/strong\u003e\u003cbr data-start=\"1496\" data-end=\"1499\"\u003eCAT 539-0118 is part of a \u003cstrong data-start=\"1525\" data-end=\"1554\"\u003emodular SCR sensor system\u003c\/strong\u003e, meaning:\u003c\/p\u003e\n\u003cul data-start=\"1567\" data-end=\"1819\"\u003e\n\u003cli data-section-id=\"ucb1si\" data-start=\"1567\" data-end=\"1618\"\u003eIncludes probe + electronics + harness assembly\u003c\/li\u003e\n\u003cli data-section-id=\"aslw6p\" data-start=\"1619\" data-end=\"1661\"\u003eNot a simple plug-and-play sensor only\u003c\/li\u003e\n\u003cli data-section-id=\"14tklgk\" data-start=\"1662\" data-end=\"1714\"\u003eInlet and outlet sensors are NOT interchangeable\u003c\/li\u003e\n\u003cli data-section-id=\"arihl4\" data-start=\"1715\" data-end=\"1780\"\u003eCalibration differs depending on engine family (C4.4 vs C6.6)\u003c\/li\u003e\n\u003cli data-section-id=\"18y1qyh\" data-start=\"1781\" data-end=\"1819\"\u003eECU software defines correct usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1821\" data-end=\"1903\"\u003eIncorrect installation may trigger SCR faults, engine derate, or emissions errors.\u003c\/p\u003e\n\u003chr data-start=\"1905\" data-end=\"1908\"\u003e\n\u003cp data-start=\"1910\" data-end=\"1920\"\u003e\u003cstrong data-start=\"1910\" data-end=\"1918\"\u003eFAQ:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1922\" data-end=\"2037\"\u003e\u003cstrong data-start=\"1922\" data-end=\"1961\"\u003eQ1: Is this inlet or outlet sensor?\u003c\/strong\u003e\u003cbr data-start=\"1961\" data-end=\"1964\"\u003eA1: 539-0118 is typically used as an \u003cstrong data-start=\"2001\" data-end=\"2034\"\u003eengine-out (inlet) NOx sensor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2039\" data-end=\"2160\"\u003e\u003cstrong data-start=\"2039\" data-end=\"2073\"\u003eQ2: What machines does it fit?\u003c\/strong\u003e\u003cbr data-start=\"2073\" data-end=\"2076\"\u003eA2: CAT 926M, 938M loaders, C4.4 and C6.6 engines, and SCR-equipped CAT equipment.\u003c\/p\u003e\n\u003cp data-start=\"2162\" data-end=\"2284\"\u003e\u003cstrong data-start=\"2162\" data-end=\"2196\"\u003eQ3: What are failure symptoms?\u003c\/strong\u003e\u003cbr data-start=\"2196\" data-end=\"2199\"\u003eA3: SCR warning light, NOx sensor fault codes, AdBlue system errors, engine derate.\u003c\/p\u003e\n\u003cp data-start=\"2286\" data-end=\"2427\"\u003e\u003cstrong data-start=\"2286\" data-end=\"2336\"\u003eQ4: Are 539-0117 and 539-0118 interchangeable?\u003c\/strong\u003e\u003cbr data-start=\"2336\" data-end=\"2339\"\u003eA4: They are part of the same sensor family but may differ by calibration or position.\u003c\/p\u003e\n\u003cp data-start=\"2429\" data-end=\"2553\"\u003e\u003cstrong data-start=\"2429\" data-end=\"2475\"\u003eQ5: Does installation require programming?\u003c\/strong\u003e\u003cbr data-start=\"2475\" data-end=\"2478\"\u003eA5: Some CAT machines require SCR reset or calibration after replacement.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51652443799684,"sku":"539-0118","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_b50c85f7-c5f7-470d-be60-f86ef2f23f40.jpg?v=1773993146","url":"https:\/\/www.jslook.com\/it\/products\/cat-nox-sensor-539-0118-c4-4-c6-6-926m-938m-scr-sensor","provider":"ASHENG","version":"1.0","type":"link"}