{"product_id":"diesel-emissions-fluid-def-injector-module-for-audi-q7-a8-q5-a6-a7-0444021021","title":"Diesel Emissions Fluid (DEF) Injector Module for Audi Q7 A8 Q5 A6 A7 0444021021","description":"\u003ch2\u003eDiesel Emissions Fluid (DEF) Injector Module for Audi\u003c\/h2\u003e\u003cp\u003eThis diesel emissions fluid (DEF) injector module regulates the spray of urea solution into the exhaust system, matching OEM cross-reference 0444021021.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis diesel emissions fluid (DEF) injector module delivers precise amounts of fluid into the exhaust stream to reduce tailpipe emissions. Designed to restore proper selective catalytic reduction (SCR) system operation, this diesel emissions fluid (DEF) injector module resolves warning lights caused by improper dosing. Mechanics and vehicle owners can rely on this diesel emissions fluid (DEF) injector module to maintain environmental compliance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCorrosion-resistant internal valves for handling urea solution\u003c\/li\u003e\n\u003cli\u003ePrecision nozzle design for optimal fluid atomization\u003c\/li\u003e\n\u003cli\u003eRobust thermal housing to endure high exhaust heat\u003c\/li\u003e\n\u003cli\u003eExact electrical connector pins for plug-and-play wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Audi Q7\u003c\/li\u003e\n\u003cli\u003efor Audi A8\u003c\/li\u003e\n\u003cli\u003efor Audi Q5\u003c\/li\u003e\n\u003cli\u003efor Audi A6\u003c\/li\u003e\n\u003cli\u003efor Audi A7\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a clogged urea injector to clear SCR system error codes\u003c\/li\u003e\n\u003cli\u003eRestoring normal exhaust treatment during routine diesel emissions maintenance\u003c\/li\u003e\n\u003cli\u003ePassing vehicle emissions testing by ensuring correct DEF dosing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0444021021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDEF Injector Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What causes a DEF injector to fail? \u003cstrong\u003eA:\u003c\/strong\u003e Over time, crystallized urea deposits can clog the injection nozzle, or electrical solenoids can wear out. Regular maintenance and using clean fluid help prevent these blockages.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will replacing this module turn off the check engine light? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, once the system detects correct fluid dosing pressure, the related emission warning lights should clear. Some vehicles may require a manual code reset after installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44788924645462,"sku":"SZ1E02789","price":122.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_4d3a4a5d-e196-4a18-9039-1afc50f5cdb6.jpg?v=1779934193","url":"https:\/\/www.solidspare.com\/products\/diesel-emissions-fluid-def-injector-module-for-audi-q7-a8-q5-a6-a7-0444021021","provider":"Solid Spare","version":"1.0","type":"link"}