{"product_id":"5506855nx-genuine-cummins-scr-def-injection-doser","title":"5506855NX 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 5506855NX is a Cummins Genuine SCR DEF injection doser engineered for Cummins aftertreatment systems. It meters diesel exhaust fluid into the exhaust stream with controlled precision to support proper NOx reduction and emissions compliance.\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;\"\u003e5506855NX\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 5506855NX SCR DEF injection doser is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cp\u003e• Engineered for Cummins SCR aftertreatment configurations\u003cbr\u003e• Delivers precise DEF dosing based on ECM command signals\u003cbr\u003e• Integrates directly with OEM exhaust emissions control strategy\u003cbr\u003e• Manufactured to Cummins durability and emissions standards\u003cbr\u003e• Promotes proper DEF atomization within the exhaust stream\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 5506855NX is intended for Cummins engines equipped with the corresponding OEM SCR aftertreatment setup. Installation should include inspection of DEF supply lines, electrical connectors, and mounting surfaces to ensure proper 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":48275982909667,"sku":"5506855NX","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\/5506855nx-genuine-cummins-scr-def-injection-doser","provider":"Unit Auto Parts","version":"1.0","type":"link"}