{"product_id":"standard-ignition-nox051-nitrogen-oxide-nox-sensor-upstream","title":"Standard Ignition NOX051 Nitrogen Oxide (NOx) Sensor - Upstream","description":"\u003ch2\u003eNOx Sensor for Emission Control\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition NOX051 is a nitrogen oxide sensor used in emission control systems to monitor exhaust NOx levels and support accurate aftertreatment operation. Built with a female rectangular\/oval connector, male blade terminals, and a 6-terminal layout, it is a direct-fit style replacement for vehicles that require this connector configuration.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNitrogen oxide (NOx) sensor for emission control diagnostics\u003c\/li\u003e\n\u003cli\u003eFemale connector with 1 connector interface\u003c\/li\u003e\n\u003cli\u003eRectangular and oval connector shape for application-specific fitment\u003c\/li\u003e\n\u003cli\u003e6 male blade terminals for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eStandard Ignition NOX051 replacement part number for service matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition NOX051 is engineered for exhaust aftertreatment systems that rely on NOx feedback to manage emissions performance. The sensor’s connector design and terminal layout are important for proper electrical integration, especially on vehicles that use a 6-blade terminal arrangement. For buyers searching for a Standard Ignition NOx sensor, NOX051, or a nitrogen oxide sensor for emission control repair, this part provides the specifications needed to match the original connection style. This part cross-references DNX051 and DNX1051 for the same application. It is a relevant service part for select BMW and Mercedes-Benz diesel emission control repairs where the NOx sensor connection format matches the vehicle harness.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNOx sensor fault codes related to exhaust aftertreatment monitoring\u003c\/li\u003e\n\u003cli\u003eCheck engine lights triggered by emission control sensor failure\u003c\/li\u003e\n\u003cli\u003eIncorrect nitrogen oxide readings from a worn or damaged sensor\u003c\/li\u003e\n\u003cli\u003eDiesel emission system performance issues tied to sensor signal loss\u003c\/li\u003e\n\u003cli\u003eConnector or terminal mismatch during NOx sensor replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the connector shape, terminal count, and terminal gender before installation. Match the vehicle harness to the female connector and 6-blade terminal layout on the NOX051 to confirm proper fitment. For BMW and Mercedes-Benz applications, compare the original sensor part number and connector style before replacing the unit. Clear stored diagnostic trouble codes after installation and confirm the emission system operates normally.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition is a recognized aftermarket brand for electrical and emission-related service parts. The NOX051 is built to meet the application-specific connector and terminal requirements needed for accurate NOx sensor replacement.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52820731953333,"sku":"FBHK-NOX051","price":326.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_NOX051_Fro.jpg?v=1784525051","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-nox051-nitrogen-oxide-nox-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}