{"product_id":"delphi-es20323-oxygen-sensor-rear","title":"Delphi ES20323 Oxygen Sensor - Rear","description":"\u003ch2\u003eOverview of Delphi ES20323 Oxygen Sensor for Toyota Avalon\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20323 oxygen sensor is designed specifically for the rear position on Toyota Avalon models. This heated oxygen sensor features a 4-wire configuration and a square connector shape, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003e4-wire design for enhanced signal stability\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm for proper installation\u003c\/li\u003e\n\u003cli\u003eOverall length of 300.0 mm to match factory specifications\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20323 oxygen sensor is engineered to meet the emission control requirements of Toyota Avalon vehicles. Its heated sensor type allows for quicker activation and more accurate readings of exhaust oxygen levels, which is critical for optimal engine performance and emissions regulation. The 4-wire design supports both the sensor signal and the heating element, improving responsiveness and durability. The square connector shape ensures a secure and correct electrical connection, reducing the risk of sensor failure due to loose contacts. With a thread size of 18 x 1.5 mm and an overall length of 300.0 mm, this sensor is designed to fit precisely in the rear position of the exhaust system, maintaining factory fitment standards.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing accurate oxygen level data to the engine control unit\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring correct sensor feedback\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine performance by monitoring exhaust gases\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20323 oxygen sensor on a Toyota Avalon, ensure the vehicle is cool to avoid burns. Use the correct 18 x 1.5 mm thread size socket for removal and installation to prevent damage to the sensor or exhaust components. Verify the square connector is fully seated to maintain proper electrical contact. Follow the included instruction sheet for torque specifications and wiring guidance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20323 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.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52089085952181,"sku":"BBMX-ES20323","price":100.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20323_Fro.jpg?v=1775148298","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20323-oxygen-sensor-rear","provider":"PartCatalog","version":"1.0","type":"link"}