{"product_id":"delphi-es20366-oxygen-sensor","title":"Delphi ES20366 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi ES20366 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20366 is a heated oxygen sensor designed specifically for the rear position on Saturn Ion vehicles. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and reduce emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and accurate readings\u003c\/li\u003e\n\u003cli\u003eFour-wire design ensuring 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 Saturn Ion exhaust systems\u003c\/li\u003e\n\u003cli\u003eOverall length of 940 mm for proper installation\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 ES20366 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and emissions control. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape is designed to match the factory wiring harness on Saturn Ion models, simplifying installation. With a thread size of 18 x 1.5 mm and an overall length of 940 mm, this sensor fits precisely in the rear exhaust position, maintaining proper sensor placement and function.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with Saturn Ion vehicles requiring a rear heated oxygen sensor replacement. It helps 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 data\u003c\/li\u003e\n\u003cli\u003eIncreased emissions from inefficient combustion\u003c\/li\u003e\n\u003cli\u003eEngine performance problems related to exhaust gas monitoring\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests caused by sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20366 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the square connector aligns correctly with the factory harness to prevent connection issues. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Proper installation in the rear position is essential for accurate sensor operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi manufactures the ES20366 oxygen sensor to meet OEM standards for durability and performance. This part 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, providing confidence in the sensor’s longevity and function.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388532392117,"sku":"BBMX-ES20366","price":74.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20366_Fro.jpg?v=1774712086","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20366-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}