{"product_id":"delphi-es20394-oxygen-sensor","title":"Delphi ES20394 Oxygen Sensor - Rear Left","description":"\u003ch2\u003eDelphi Heated Oxygen Sensor for Nissan Pathfinder and Infiniti QX4\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20394 oxygen sensor is designed to provide accurate emissions monitoring for your Nissan Pathfinder or Infiniti QX4. This heated oxygen sensor ensures optimal engine performance and helps maintain compliance with emission standards.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003e4-wire design for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm for direct replacement\u003c\/li\u003e\n\u003cli\u003eOverall length of 1240 mm for proper installation\u003c\/li\u003e\n\u003cli\u003ePositioned for rear left installation\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20394 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and standard 18 x 1.5 mm thread size make it a direct fit for the rear left position on compatible vehicles. With an overall length of 1240 mm, this sensor is designed to fit precisely without modification.\u003c\/p\u003e\u003cp\u003eThis oxygen sensor is compatible with Nissan Pathfinder and Infiniti QX4 models, providing a reliable replacement part for emission control systems in these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps correct inaccurate air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eReduces engine misfires caused by faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by optimizing combustion\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to emissions\u003c\/li\u003e\n\u003cli\u003eSupports proper catalytic converter function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the sensor or threads\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads if recommended by manufacturer\u003c\/li\u003e\n\u003cli\u003eVerify the sensor is installed in the rear left position as specified\u003c\/li\u003e\n\u003cli\u003eFollow the included instruction sheet for detailed installation guidance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The ES20394 part number undergoes rigorous testing to comply with emission control standards. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388534587573,"sku":"BBMX-ES20394","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20394_Ang.jpg?v=1774712093","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20394-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}