{"product_id":"delphi-es20211-oxygen-sensor","title":"Delphi ES20211 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi ES20211 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20211 is a heated oxygen sensor designed for precise emission control in select Hyundai and Kia vehicles. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance and reduced emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and improved efficiency\u003c\/li\u003e\n\u003cli\u003e4-wire design for reliable signal transmission\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 575.0 mm for correct installation depth\u003c\/li\u003e\n\u003cli\u003ePositioned for rear installation 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\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20211 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 square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit for rear exhaust positions on Hyundai Optima, Hyundai Santa Fe, and Kia Sonata models. With an overall length of 575.0 mm, this sensor fits correctly within the exhaust system to deliver accurate oxygen level readings.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHyundai Optima\u003c\/li\u003e\n\u003cli\u003eHyundai Santa Fe\u003c\/li\u003e\n\u003cli\u003eKia Sonata\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to address common issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust emissions failing emissions tests\u003c\/li\u003e\n\u003cli\u003eEngine performance problems related to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eRough idling or hesitation during acceleration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20211 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the square connector aligns correctly to prevent connection issues. It is recommended to inspect the exhaust threads and clean them before installation to ensure a secure fit. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi manufactures the ES20211 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. This sensor undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388530360501,"sku":"BBMX-ES20211","price":107.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20211_Fro.jpg?v=1774712073","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20211-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}