{"product_id":"cummins-aftertreatment-injector-kit-pn-5578982nx","title":"Cummins Aftertreatment Injector Kit | PN 5578982NX","description":"\u003cp\u003eThis is the Cummins Aftertreatment Injector Kit, part number 5578982NX. An aftertreatment injector kit belongs to the engine's exhaust aftertreatment system, which treats exhaust after it leaves the engine. Aftertreatment parts are matched by number, so order by the exact part number 5578982NX and not by the name alone. A similar-sounding part with a different number may not be the right one.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Cummins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 5578982NX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore SKU:\u003c\/strong\u003e 9835901\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Aftertreatment Injector Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does this fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMachine models are not listed on this page. Check part number 5578982NX against your machine's parts book, or send the model and serial number through the quote form and the parts team will confirm the fit before you buy.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this is the right part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMatch part number 5578982NX to the number in your parts book or on the part you are replacing. If you cannot find the number, send the machine model and serial number through the quote form and the parts team will check it for you.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does an aftertreatment injector kit do?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn general terms, an aftertreatment injector is part of the system that treats engine exhaust. This page does not list what is in this particular kit. If you need to know exactly what comes in the kit, ask the parts team through the quote form.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are common signs an aftertreatment injector needs replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommon signs include aftertreatment-related fault codes, visible leaks around the injector area, and a technician's diagnosis pointing to the injector. These symptoms can have other causes, so follow the machine's service manual for diagnosis before replacing parts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat should I have ready when I order?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHave the part number (5578982NX), the machine model and serial number, and the quantity you need. With those, the parts team can confirm the part before it ships.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the store SKU the same as the part number?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The store SKU is 9835901 and is used for our own listing. The Cummins part number is 5578982NX. Always order and cross-check by the part number.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":51567779020903,"sku":"9835901","price":1582.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5544\/5607\/files\/Media-2026-11-11T142454.068.jpg?v=1794428807","url":"https:\/\/parts.rtlequipment.com\/products\/cummins-aftertreatment-injector-kit-pn-5578982nx","provider":"RTL Equipment Parts Store","version":"1.0","type":"link"}