{"product_id":"standard-ignition-nox003-nitrogen-oxide-nox-sensor-downstream","title":"Standard Ignition NOX003 Nitrogen Oxide (NOx) Sensor - Downstream","description":"\u003ch2\u003eOE-Style NOx Sensor for Downstream Emissions Control\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition NOX003 is a direct-fit nitrogen oxide sensor built for downstream emissions monitoring on select 2015 Chevrolet and GMC heavy-duty applications. Its plug-and-play design helps simplify replacement while maintaining the proper fit, form, and function expected from an OE-style sensor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit OE replacement for straightforward installation\u003c\/li\u003e\n\u003cli\u003ePlug-and-play design with no additional programming required\u003c\/li\u003e\n\u003cli\u003eDownstream NOx sensor for emissions system monitoring\u003c\/li\u003e\n\u003cli\u003eFemale connector with square housing\u003c\/li\u003e\n\u003cli\u003e6-pin male terminals for the specified application\u003c\/li\u003e\n\u003cli\u003eExtensively tested for performance and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eCompatible with 2015 Chevrolet Express 2500, downstream; 2015 Chevrolet Express 3500, downstream; 2015 Chevrolet Silverado 2500 HD, downstream; 2015 Chevrolet Silverado 3500 HD, downstream; 2015 GMC Savana 2500, downstream; 2015 GMC Savana 3500, downstream; 2015 GMC Sierra 2500 HD, downstream; and 2015 GMC Sierra 3500 HD, downstream.\u003c\/p\u003e\u003cp\u003eStandard Ignition NOX003 is engineered as an OE replacement nitrogen oxide sensor for downstream placement, making it a practical choice for restoring emissions-system feedback on Chevrolet Silverado 2500 HD, Silverado 3500 HD, Express vans, and GMC Sierra and Savana heavy-duty models. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFault codes related to downstream NOx sensor performance\u003c\/li\u003e\n\u003cli\u003eIncorrect nitrogen oxide readings in the emissions system\u003c\/li\u003e\n\u003cli\u003eEmissions monitoring issues on diesel-equipped heavy-duty vehicles\u003c\/li\u003e\n\u003cli\u003eDriveability concerns caused by sensor signal problems\u003c\/li\u003e\n\u003cli\u003eReplacement needs for a worn or failed OE-style NOx sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal count, and downstream placement before installation. The NOX003 uses a female connector, square housing, and 6-pin male terminals, so matching the original sensor configuration is important for proper fitment on the intended Chevrolet and GMC applications. Because it is a plug-and-play replacement, no additional programming is required after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition states that this sensor undergoes extensive testing and validation to support proper performance and reliable operation. As a global manufacturer, the company maintains quality control throughout the production process.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52820731429045,"sku":"FBHK-NOX003","price":216.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_NOX003_Fro.jpg?v=1784524975","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-nox003-nitrogen-oxide-nox-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}