{"product_id":"delphi-es20190-oxygen-sensor","title":"Delphi ES20190 Oxygen Sensor - Rear Left or Rear Right","description":"\u003ch2\u003eDelphi Heated Oxygen Sensor for Nissan and Infiniti Vehicles\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20190 oxygen sensor is designed to provide accurate emissions monitoring for select Nissan and Infiniti models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle’s engine management system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and improved accuracy\u003c\/li\u003e\n\u003cli\u003e4-wire design for reliable electrical connections\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with specified vehicles\u003c\/li\u003e\n\u003cli\u003eOverall length of 1005.0 mm for proper installation\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet\u003c\/li\u003e\n\u003cli\u003ePositioned for rear left and rear right installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20190 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size are engineered to match the rear left and rear right positions on compatible vehicles. This sensor is specifically designed for Nissan I30, Maxima, Pathfinder, and Infiniti QX4 models, providing a direct replacement that meets OEM specifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps resolve rough idling and engine hesitation caused by faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eReduces increased fuel consumption due to inaccurate air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers related to emissions control\u003c\/li\u003e\n\u003cli\u003eImproves catalytic converter efficiency by providing accurate exhaust gas data\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emissions regulations by maintaining sensor functionality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20190 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct socket size for the 18 x 1.5 mm threaded sensor to prevent damage. Verify the sensor is installed in the correct rear left or rear right position as specified for your Nissan or Infiniti model. Follow the included instruction sheet for wiring and connector engagement to ensure a secure and proper fit.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet strict quality standards and OEM requirements. The ES20190 part number undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to support long-term vehicle operation.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388529770677,"sku":"BBMX-ES20190","price":107.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20190_Fro_914a9be6-987b-4214-a351-251f463436c9.jpg?v=1774712068","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20190-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}