{"product_id":"delphi-es20011-oxygen-sensor","title":"Delphi ES20011 Oxygen Sensor - Front or Rear","description":"\u003ch2\u003eDelphi ES20011 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20011 is a heated oxygen sensor designed for precise emission control in select Buick, Cadillac, Chevrolet, Saab, and Saturn vehicles. This sensor helps maintain optimal engine performance and fuel efficiency by accurately monitoring oxygen levels in the exhaust system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and accurate readings\u003c\/li\u003e\n\u003cli\u003e4-wire design ensuring reliable electrical connections\u003c\/li\u003e\n\u003cli\u003eFlat connector shape for secure and proper fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with specified vehicle models\u003c\/li\u003e\n\u003cli\u003eOverall length of 400.0 mm for correct installation depth\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003cli\u003eCompatible with front and rear positions depending on vehicle requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20011 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The flat connector shape is designed to match factory wiring harnesses on compatible vehicles, including Buick Rendezvous and Saturn Vue, as well as Cadillac CTS and Chevrolet Cruze models. The 18 x 1.5 mm thread size and 400 mm overall length provide proper fitment and installation depth for accurate exhaust gas measurement.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is used to monitor the oxygen content in the exhaust gases, enabling the engine control unit (ECU) to adjust fuel injection and maintain efficient combustion. It addresses several common issues:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eImproves fuel economy by providing accurate air-fuel ratio data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance problems related to incorrect oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light codes related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine idling and acceleration response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20011 oxygen sensor, ensure the vehicle is compatible by verifying make and model fitment. Use the included instruction sheet for guidance on sensor positioning, whether front or rear, as specified for your vehicle. Proper torque on the 18 x 1.5 mm threaded connection is essential to avoid leaks or damage. Disconnect the battery before installation to prevent electrical shorts, and avoid contaminating the sensor tip with grease or debris.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi manufactures the ES20011 oxygen sensor to meet or exceed OEM specifications for durability and performance. The sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388517941429,"sku":"BBMX-ES20011","price":57.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20011_Ang.jpg?v=1774712020","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20011-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}