{"product_id":"delphi-es20100-oxygen-sensor-rear","title":"Delphi ES20100 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi Heated Oxygen Sensor for Mazda and Subaru Vehicles\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20100 oxygen sensor is designed to provide accurate emissions monitoring for select Mazda and Subaru models. Featuring a heated sensor element and a four-wire design, this rear-position oxygen sensor helps maintain optimal engine performance and emissions control.\u003c\/p\u003e\u003ch2\u003eKey Features of the Delphi ES20100 Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and improved accuracy\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration ensuring reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure and precise fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with specified vehicle exhaust systems\u003c\/li\u003e\n\u003cli\u003eOverall length of 445.0 mm suitable for rear exhaust placement\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Delphi ES20100 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20100 oxygen sensor is engineered to meet the emission control requirements of Mazda 626 and Subaru Impreza, Legacy, and Outback models. Its heated sensor element allows the sensor to reach operating temperature quickly, reducing the time the engine runs in open-loop mode. The four-wire design supports both the sensor signal and heater circuit, ensuring consistent performance and durability. The square connector shape and 18 x 1.5 mm thread size provide a precise fit in the rear exhaust position, helping maintain accurate air-fuel mixture readings for the vehicle's engine control unit.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps reduce harmful emissions by monitoring exhaust oxygen levels\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing accurate air-fuel ratio data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to rear oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emissions testing standards for Mazda and Subaru vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20100 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. The square connector should be securely connected to prevent signal loss. It is recommended to follow the included instruction sheet for proper installation procedures and torque specifications. Verify sensor operation after installation by checking for diagnostic trouble codes and engine performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES20100 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details are not provided here, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52089085460661,"sku":"BBMX-ES20100","price":103.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20100_Ang.jpg?v=1775148295","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20100-oxygen-sensor-rear","provider":"PartCatalog","version":"1.0","type":"link"}