{"product_id":"cummins-def-filter-pn-5303604","title":"Cummins DEF Filter | PN 5303604","description":"\u003cp\u003eThis is the Cummins DEF Filter, part number 5303604. A DEF filter is a filter used in a machine's diesel exhaust fluid system to catch contaminants in the fluid. Parts that look alike can have different part numbers, so order by the exact part number 5303604 and not by name or appearance.\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 5303604\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore SKU:\u003c\/strong\u003e 7107153\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e DEF Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Emissions\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\u003eModels are not listed on this page. Check part number 5303604 against the machine's parts book, or send the model and serial number through the quote form so the parts team can confirm.\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 5303604 to the machine's parts book or to the number on the part you are replacing. If you can't find a number, send the machine model and serial number through the quote form and the parts team will help check it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does a DEF filter do?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDEF filters in general are there to keep contaminants out of the diesel exhaust fluid system so they don't reach downstream components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are common signs a DEF filter needs replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommon signs include DEF system fault codes or warnings, and restricted or reduced DEF flow. Those symptoms can have other causes, so diagnose the system and follow the machine's service manual 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 (5303604), the machine model and serial number, and the quantity you need. The model and serial number let the parts team double-check the match before the order goes out.\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 (7107153) is our internal reference. The part number is 5303604, and that is the number to use when checking a parts book or ordering.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":51571507953767,"sku":"7107153","price":479.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5544\/5607\/files\/Media-2026-11-11T143326.920.jpg?v=1794429546","url":"https:\/\/parts.rtlequipment.com\/products\/cummins-def-filter-pn-5303604","provider":"RTL Equipment Parts Store","version":"1.0","type":"link"}