{"product_id":"delphi-es20223-oxygen-sensor","title":"Delphi ES20223 Oxygen Sensor - Rear, Rear Left or Rear Right","description":"\u003ch2\u003eDelphi ES20223 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20223 is a heated oxygen sensor designed for precise emission control in select Subaru and Toyota vehicles. Engineered with a 4-wire configuration and a square connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for reliable operation\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure and proper 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 340.0 mm for correct installation depth\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003cli\u003ePosition-specific fitment: rear, rear left, and rear right\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20223 oxygen sensor is engineered to meet the emission control requirements of Subaru and Toyota models including the 4Runner, B9 Tribeca, Legacy, Outback, and Tribeca. Its heated sensor type allows for faster warm-up times, improving sensor responsiveness and reducing emissions during cold starts. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit in the rear oxygen sensor locations, including rear left and rear right positions, depending on vehicle specifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency 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\u003eAddresses rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003ePrevents failed emissions tests due to sensor malfunctions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20223 oxygen sensor, ensure the vehicle is compatible with the specified fitment models and positions. Use the included instruction sheet for guidance on proper torque specifications and connector engagement. It is recommended to replace oxygen sensors when the engine is cool to avoid burns and to apply anti-seize compound on the threads if not pre-applied. Verify the sensor’s connector matches the vehicle harness to avoid electrical issues.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi manufactures the ES20223 oxygen sensor to meet OEM standards for durability and performance. This sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388530917557,"sku":"BBMX-ES20223","price":114.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20223_Fro.jpg?v=1774712076","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20223-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}