{"product_id":"delphi-es20391-oxygen-sensor","title":"Delphi ES20391 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi Heated Oxygen Sensor for Acura RL and TL\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20391 oxygen sensor is designed to provide accurate emissions control for Acura RL and TL models. This heated sensor ensures optimal performance by maintaining proper operating temperature quickly, contributing to efficient fuel management and reduced emissions.\u003c\/p\u003e\u003ch2\u003eKey Features of Delphi ES20391 Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster activation 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 Acura models\u003c\/li\u003e\n\u003cli\u003eOverall length of 720 mm for proper installation\u003c\/li\u003e\n\u003cli\u003ePositioned for rear placement in the exhaust system\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20391 oxygen sensor is engineered to meet the specific requirements of Acura RL and TL vehicles. Featuring a heated sensor element, it quickly reaches the necessary temperature to provide accurate oxygen level readings. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. Its square connector shape and 18 x 1.5 mm thread size allow for a secure and precise fit in the rear exhaust position. With an overall length of 720 mm, this sensor is designed to fit seamlessly within the exhaust system layout of the compatible Acura models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel mixture for efficient engine operation\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate feedback to the engine control unit\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring optimal combustion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the sensor or threads\u003c\/li\u003e\n\u003cli\u003eVerify the sensor position as rear to match the ES20391 specifications\u003c\/li\u003e\n\u003cli\u003eFollow the included instruction sheet for proper wiring and connector engagement\u003c\/li\u003e\n\u003cli\u003eCheck for exhaust leaks after installation to ensure sensor accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20391 part number 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 support long-term use in Acura RL and TL vehicles.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388534489269,"sku":"BBMX-ES20391","price":151.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20391_Ang.jpg?v=1774712092","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20391-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}