{"product_id":"2515990c2-genuine-international-navistar-diesel-exhaust-fluid-def-tank-qls-head-11-5-gall","title":"2515990C2 | Genuine International® \/ Navistar® Diesel Exhaust Fluid (DEF) Tank QLS Head 11\" 5 Gall","description":"\u003cp\u003e\u003cstrong\u003eDescription and Purpose:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine\u003c\/strong\u003e \u003cstrong\u003eInternational\u003c\/strong\u003e \/ \u003cstrong\u003eNavistar\u003c\/strong\u003e engineering delivers this \u003cstrong\u003enew\u003c\/strong\u003e \u003cstrong\u003eDEF Tank QLS Head\u003c\/strong\u003e, Part number: \u003cstrong\u003e2515990C2\u003c\/strong\u003e, built to manage heated DEF flow, filtration, and digital quality measurements in compact 5-gallon header tanks. With a Deutsch DT4 connector and CANBUS sensor interface, it provides real-time fluid monitoring while the 40µ filter prevents particulate contamination. The 11-inch header integrates 3\/8 suction, 5\/16 return ports (SAE J2044), and 5\/8 hose bead coolant ports for consistent freeze protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Replacement is Important:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eContamination, cracked internal heaters, or failed sensors inside the module can disrupt DEF delivery and trigger emission fault sequences. Replacing the unit restores dependable heating and clean suction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImpact on Vehicle Performance:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStable DEF temperature, filtration, and sensor accuracy support proper SCR dosing, minimizing derate events and maintaining smooth vehicle operation under emission control regulations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Information: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternational®\u003c\/strong\u003e delivers quality components that withstand harsh conditions and continuous heavy-duty workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNavistar® \u003c\/strong\u003efocuses on innovative engineering to create strong, dependable components for commercial trucking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTags \u0026amp; Category:\u003c\/strong\u003e DEF Tank Head, DEF QLS Head, Diesel Exhaust Fluid Tank Module, DEF Sensor Head, DEF Level Sensor, DEF Quality Sensor, DEF Suction Module, Coolant-Heated DEF Header, International DEF System, Navistar Emissions Component, Deutsch DT4 Connector, Digital CANBUS Sensor, 5 Gallon DEF Tank, 11 Inch DEF Header, 3\/8 SAE J2044 Suction, 5\/16 SAE J2044 Return, 5\/8 Hose Bead Coolant Ports, 40 Micron DEF Filter, 6 Bolt Tank Interface, (DEF) SCR System\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eParts Finder Q offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.\u003c\/p\u003e","brand":"International® \/ Navistar®","offers":[{"title":"Default Title","offer_id":50870328951082,"sku":"2515990C2","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/6566\/3530\/files\/2515990C2_Genuine_International_Navistar_Diesel_Exhaust_Fluid_DEF_Tank_QLS_Head_11_5_Gall_Right_side.jpg?v=1764333792","url":"https:\/\/partsfinderq.com\/products\/2515990c2-genuine-international-navistar-diesel-exhaust-fluid-def-tank-qls-head-11-5-gall","provider":"Parts Finder Q","version":"1.0","type":"link"}