{"product_id":"delphi-ans1049-nitrogen-oxide-nox-sensor-downstream","title":"Delphi ANS1049 Nitrogen Oxide (NOx) Sensor - Downstream","description":"\u003ch2\u003eDelphi ANS1049 NOx Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ANS1049 is a downstream nitrogen oxide (NOx) sensor built for emission control monitoring on select Ram heavy-duty diesel applications. It uses a 12-volt electrical design, a black oval connector, and a 4-pin male terminal layout to deliver OE-style signal accuracy for the exhaust aftertreatment system.\u003c\/p\u003e\u003cp\u003eFits 2011-2012 Ram 3500, downstream. This part number, ANS1049, is also referenced for the same application under Standard Ignition NOX015.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDownstream NOx sensor for emission control system monitoring\u003c\/li\u003e\n\u003cli\u003e12-volt design with 4-pin male terminals\u003c\/li\u003e\n\u003cli\u003eBlack oval connector with male connector and terminal gender\u003c\/li\u003e\n\u003cli\u003eUniversal-or-specific fit listing with confirmed downstream placement\u003c\/li\u003e\n\u003cli\u003eDelphi OE-validated sensor calibration for accurate readings\u003c\/li\u003e\n\u003cli\u003eWiring harness length listed at 23.246 in. and 590.4484 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi ANS1049 is engineered for downstream exhaust measurement on 2011-2012 Ram 3500 models. As a NOx sensor, it monitors nitrogen oxide levels after the exhaust treatment process, helping the vehicle’s emission control system track performance and maintain proper operation. Delphi validates its sensors to OE standards and calibrates them for accurate output, which supports consistent system feedback and fewer repeat repairs. If you are searching for a downstream NOx sensor for Ram 3500 diesel emission control service, ANS1049 is the direct fit reference to review.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNOx sensor fault codes related to downstream exhaust monitoring\u003c\/li\u003e\n\u003cli\u003eIncorrect nitrogen oxide readings in the emission control system\u003c\/li\u003e\n\u003cli\u003eDiesel aftertreatment performance issues tied to sensor signal loss\u003c\/li\u003e\n\u003cli\u003eCheck engine lights triggered by NOx sensor failure\u003c\/li\u003e\n\u003cli\u003eDrivability concerns caused by emission system data errors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm downstream sensor location before ordering and match the connector style, terminal count, and voltage requirements to the original unit. Inspect the harness routing and connector condition during replacement, and verify the sensor is installed in the correct exhaust position on the Ram 3500. For fitment verification, use the vehicle year, make, model, and downstream placement listed for ANS1049.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi backs this sensor with OE development and product validation methods, and each sensor is tested and calibrated to OE standards for accurate readings. That level of validation supports dependable emission system data on the 2011-2012 Ram 3500 downstream application.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52431299477685,"sku":"BBMX-ANS1049","price":326.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ANS1049_FRO.jpg?v=1777853598","url":"https:\/\/www.partcatalog.com\/products\/delphi-ans1049-nitrogen-oxide-nox-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}