{"product_id":"5578983nx-genuine-cummins-scr-def-injection-doser","title":"5578983NX Genuine Cummins SCR DEF Injection Doser","description":"\u003ch2 data-end=\"779\" data-start=\"479\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-end=\"779\" data-start=\"479\"\u003eThe 5578983NX is a Cummins Genuine SCR DEF injection doser engineered for Cummins aftertreatment systems. It injects diesel exhaust fluid into the exhaust stream in controlled amounts to support effective NOx reduction and proper SCR catalyst operation.\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 98px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 25.8993%;\"\u003e \u003ccol style=\"width: 73.9209%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e5578983NX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eCummins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eSCR DEF Injection Doser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e4.2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"1574\" data-start=\"1555\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"1574\" data-start=\"1555\"\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 5578983NX SCR DEF injection doser is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cp\u003e• Designed for Cummins SCR aftertreatment configuration\u003cbr\u003e• Provides accurate DEF delivery based on ECM control strategy\u003cbr\u003e• Integrates directly with OEM exhaust emissions systems\u003cbr\u003e• Manufactured to Cummins emissions and durability standards\u003cbr\u003e• Ensures correct DEF spray pattern within exhaust flow\u003cbr\u003e• Supports consistent SCR catalyst efficiency under load\u003c\/p\u003e\n\u003ch2 data-end=\"1913\" data-start=\"1893\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"1528\" data-end=\"1744\"\u003eThe 5578983NX is intended for Cummins engines equipped with the corresponding OEM SCR aftertreatment setup. Installation should include inspection of DEF lines, mounting hardware, and electrical connections to ensure proper system operation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-end=\"1658\" data-start=\"1426\"\u003eAlways verify part number and engine serial number before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":48275995885795,"sku":"5578983NX","price":745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l960_38301775-177c-4bc2-a414-f359ce09c766.webp?v=1770716657","url":"https:\/\/unitautoparts.com\/products\/5578983nx-genuine-cummins-scr-def-injection-doser","provider":"Unit Auto Parts","version":"1.0","type":"link"}