{"product_id":"5579176-genuine-oem-cummins-def-filter-kit-isbqsb","title":"5579176 | Genuine OEM Cummins DEF Filter Kit for ISB\/QSB","description":"\u003cp\u003e\u003cstrong\u003e5579176 | Genuine OEM Cummins DEF Filter Kit for ISB\/QSB\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5579176 Genuine OEM Cummins DEF Filter Kit is a replacement component designed to help filter Diesel Exhaust Fluid (DEF) in compatible Cummins engine aftertreatment systems. It supports proper DEF filtration and the intended operation of the Selective Catalytic Reduction (SCR) emissions control system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number: 5579176\u003cbr\u003eBrand: Cummins\u003cbr\u003eCondition: Genuine OEM\u003cbr\u003eComponent: Diesel Exhaust Fluid (DEF) Filter Kit\u003cbr\u003eFuel Type: Diesel\u003cbr\u003eEngine Applications: Cummins ISB\/QSB (compatibility to be verified)\u003cbr\u003eOther important specifications: DEF filtration system component for compatible exhaust aftertreatment systems\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5579176 DEF Filter Kit is intended for compatible Cummins ISB and QSB engine configurations equipped with a suitable Diesel Exhaust Fluid (DEF) and SCR aftertreatment system. Exact fitment depends on the engine model, serial number, and emissions system configuration. Verify compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFUNCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5579176 DEF Filter Kit helps remove contaminants from Diesel Exhaust Fluid before it reaches relevant components of the aftertreatment system. Proper filtration helps support DEF flow, reliable system operation, and the intended performance of the SCR emissions control system.\u003c\/p\u003e\n\u003cp\u003eA worn, clogged, damaged, or failing DEF Filter Kit may cause symptoms such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDEF system warning messages\u003c\/li\u003e\n\u003cli\u003eSCR or aftertreatment system fault codes\u003c\/li\u003e\n\u003cli\u003eRestricted DEF flow\u003c\/li\u003e\n\u003cli\u003eDEF dosing or emissions control performance issues\u003c\/li\u003e\n\u003cli\u003eReduced aftertreatment system efficiency\u003c\/li\u003e\n\u003cli\u003eEngine derating associated with emissions system faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese symptoms may also result from other DEF or aftertreatment system problems and do not necessarily indicate a faulty filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHY REPLACE A DEF FILTER KIT?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA clogged or damaged DEF filter can interfere with proper fluid filtration and may affect aftertreatment system operation. Replacing it with the correct Genuine OEM Cummins DEF Filter Kit can help maintain proper DEF filtration, support reliable emissions control, and reduce the risk of contamination-related issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITMENT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore purchasing, verify the Part Number, VIN (where applicable), engine serial number, vehicle or equipment model, engine, and aftertreatment system configuration. Do not assume compatibility based solely on the Cummins ISB or QSB engine family.\u003c\/p\u003e\n\u003cp\u003eIf you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGENUINE CUMMINS PART\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number: 5579176\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":49874766135555,"sku":"5579176","price":142.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/5579176_Cummins_DEF_Filter_1.png?v=1792189978","url":"https:\/\/truckpartsplanet.com\/products\/5579176-genuine-oem-cummins-def-filter-kit-isbqsb","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}