{"product_id":"4353002c92-genuine-international-9-5-gal-def-sensor","title":"4353002C92 | Genuine International 9.5 Gal Def Sensor","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cspan\u003e 9.5 Gal Def Sensor For Navistar\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e International\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e 4353002C92\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cb\u003eCompatible Vehicles \u0026amp; Engines\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePart number is engineered as an OEM replacement for International \/ Navistar medium- and heavy-duty trucks equipped with medium-to-large \u003cb\u003e9.5-gallon DEF tanks\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eClass 8 Highway Trucks:\u003c\/b\u003e International ProStar, LT Series, LoneStar, RH Series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVocational \u0026amp; Regional Trucks:\u003c\/b\u003e International WorkStar, DuraStar, HV Series, HX Series, MV Series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBuses \u0026amp; Chassis:\u003c\/b\u003e IC Bus platforms equipped with SCR emissions systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCompatible Engine Platforms:\u003c\/b\u003e Cummins ISX15 \/ X15, Cummins L9 \/ B6.7, and Navistar N13 \/ A26 engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eDEF Tank Header Assembly \u003c\/b\u003eis an all-in-one multi-function emissions module designed for \u003cb\u003e9.5-gallon Diesel Exhaust Fluid (DEF) tanks\u003c\/b\u003e. Submerged inside the tank, it connects the DEF reservoir to the engine control unit (ECM) and the Selective Catalytic Reduction (SCR) aftertreatment system.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cb\u003e1. What is it?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePart serves as the combined fluid suction unit, electronic quality\/level sensor stem, and anti-freeze heating assembly for medium-to-heavy commercial trucks. It monitors fluid conditions in real time to keep emissions levels fully compliant with EPA regulations.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Integrated Functions \u0026amp; Key Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eQuality, Level \u0026amp; Temperature Sensing (QLS):\u003c\/b\u003e Employs integrated digital sensors to measure DEF level, check urea concentration (ensuring 32.5% purity and preventing dilution), and monitor fluid temperature over the CAN bus network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFluid Suction \u0026amp; Return Tubes:\u003c\/b\u003e Heavy-duty stainless steel pickup lines deliver DEF to the dosing pump and return excess fluid safely back to the 9.5-gallon tank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCoolant Heating Coil:\u003c\/b\u003e Features an internal tube loop connected to the engine's coolant circuit to thaw frozen DEF (which solidifies at 12°F \/ -11°C) during winter operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIn-Tank Filtration:\u003c\/b\u003e Equipped with a bottom mesh filter screen that blocks dirt and particles from entering the dosing pump.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of Faulty\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cb\u003e1. Active Check Engine Light (CEL) \u0026amp; SCR Fault Codes\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Engine Control Module (ECM) detects corrupted or missing CAN-bus signals from the integrated Quality, Level, and Temperature Sensor (QLS):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCommon Diagnostic Trouble Codes (DTCs):\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ccode\u003eSPN 1761 \/ FMI 9, 11, 19\u003c\/code\u003e (DEF Tank Level - Communication Error or Incorrect Signal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ccode\u003eSPN 3364 \/ FMI 2, 9, 11\u003c\/code\u003e (DEF Quality - Abnormal Concentration \/ Non-DEF Detected)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ccode\u003eSPN 3031 \/ FMI 9, 11\u003c\/code\u003e (DEF Tank Temperature - Out of Range \/ Erratic Data)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ccode\u003eSPN 4364 \/ FMI 18\u003c\/code\u003e (SCR NOx Conversion Efficiency Below Limit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e2. Incorrect DEF Level Gauge Readings\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e The dashboard gauge displays \"Empty\" when the 9.5-gallon tank is completely full, freezes at a specific percentage, or bounces erratically between empty and full while driving.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Internal float\/ultrasonic sensor degradation or fluid ingress into the internal electronics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. Engine De-rate \u0026amp; Speed Reductions\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e A \"Poor DEF Quality\" warning appears on the driver display, followed by a timer warning for imminent speed de-rate (e.g., restricted to 55 mph, then 5 mph).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Sensor calibration drift sending incorrect concentration readings to the ECM—even when filled with pure, fresh ISO 22241 DEF.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e4. DEF Tank Heating \u0026amp; Freezing Faults\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSymptom:\u003c\/b\u003e In cold weather, the system logs low-pressure codes (\u003ccode\u003eSPN 3556\u003c\/code\u003e) or tank thaw timeouts because fluid remains frozen inside the tank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCause:\u003c\/b\u003e Clogged internal coolant heating coils or a failed temperature sensor misreporting the tank fluid temperature.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cbr\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eNavistar®\u003c\/strong\u003e is a proud manufacturer of some of the widely used trucks, yellow school buses, defense vehicles, and engines. It was recognized as the first truck and engine manufacturer to be certified by the EPA for meeting 2007 standards for hydrocarbons and particulate matter. But the company's global portfolio is not limited to its line of vehicles and engines—it also carries high-quality replacement parts and accessories to keep all these working in top condition at all times. From hose fuel, bolts, plugs, rivets, and bearings to flashers, incandescent lamps, camshaft brake, gasket injector, and spring door locks, Navistar has also got you covered.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFirst Truck Parts offers a \u003c\/span\u003e\u003cstrong\u003e365\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/span\u003e\u003c\/p\u003e","brand":"International®","offers":[{"title":"Default Title","offer_id":49064725479668,"sku":"4353002C92","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/products\/4097723c91_2.png?v=1741366784","url":"https:\/\/firsttruckparts.com\/products\/4353002c92-genuine-international-9-5-gal-def-sensor","provider":"First Truck Parts","version":"1.0","type":"link"}