{"product_id":"5012175r91-genuine-oem-international-def-header-25-10-6g-32g","title":"5012175R91 | Genuine OEM International DEF Header 25 10.6G\/32G","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e5012175R91 | Genuine International® \/ Navistar® Diesel Exhaust Fluid (DEF) Header 25\" for 10.6–32G\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 5012175R91 DEF Header is a tank-mounted component designed for compatible International® \/ Navistar® diesel emissions systems. This 25-inch header assembly is intended for specified Diesel Exhaust Fluid (DEF) tank configurations. Confirm the original part number and tank specifications before ordering to ensure compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePRODUCT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePart Number: 5012175R91\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBrand: International® \/ Navistar®\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: Genuine OEM\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComponent: Diesel Exhaust Fluid (DEF) Header\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHeader Length: 25 inches\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSystem: DEF \/ Selective Catalytic Reduction (SCR)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTank Capacity: 10.6–32 gallons (verify exact fitment)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAPPLICATIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for compatible DEF tank configurations within the specified 10.6–32-gallon range. Exact compatibility depends on the vehicle model, model year, tank design, connector configuration, and original equipment part number.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVerify fitment using the vehicle VIN and the part number on the existing DEF header before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFUNCTION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DEF header is installed in the DEF tank and works with the tank monitoring system. Depending on the configuration, the assembly may provide DEF level, temperature, and quality-related readings to support the vehicle's emissions control system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCOMMON SIGNS OF FAILURE\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect or inconsistent DEF level readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF level, quality, or temperature sensor fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck Engine Light or emissions system warnings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSCR system warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDEF monitoring or communication problems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEmissions-related warnings or engine derate conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWHY REPLACE THE DEF HEADER?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA faulty DEF header can cause inaccurate tank readings, sensor-related diagnostic codes, and emissions system warnings. Replacing a confirmed defective unit with the correct compatible part can help restore reliable DEF monitoring and proper system operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFITMENT INFORMATION\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBefore ordering, verify part number 5012175R91, the 25-inch header length, tank capacity, electrical connector, and vehicle application against the original component or an OEM parts catalog. The stated 10.6–32-gallon range should be confirmed for this exact part number before publishing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGENUINE INTERNATIONAL PART\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 5012175R91\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49887954174211,"sku":"SY1062","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/15_Gallon_DEF_Tank_Sensor.jpg?v=1791214413","url":"https:\/\/truckpartsplanet.com\/products\/5012175r91-genuine-oem-international-def-header-25-10-6g-32g","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}