{"product_id":"delphi-es20055-oxygen-sensor","title":"Delphi ES20055 Oxygen Sensor - Rear Left","description":"\u003ch2\u003eDelphi ES20055 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20055 is a heated oxygen sensor designed for precise emission control in select Nissan and Infiniti 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 oxygen sensor with 4-wire design 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 rear left position\u003c\/li\u003e\n\u003cli\u003eOverall length of 1295.0 mm for correct installation depth\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 ES20055 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response time and fuel efficiency. 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 are designed specifically for the rear left position on Nissan Pathfinder and Infiniti QX4 models. With an overall length of 1295.0 mm, this sensor fits precisely to maintain proper exhaust system function.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNissan Pathfinder (rear left oxygen sensor replacement)\u003c\/li\u003e\n\u003cli\u003eInfiniti QX4 (rear left oxygen sensor replacement)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing the Delphi ES20055 ensures your vehicle’s emission control system operates within manufacturer specifications, helping to maintain engine efficiency and reduce harmful exhaust emissions.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the ES20055 Oxygen Sensor\u003c\/h2\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 emissions failing vehicle inspection tests\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or rough idling caused by sensor malfunction\u003c\/li\u003e\n\u003cli\u003eFailed catalytic converter performance linked to sensor issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20055 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the sensor is installed in the rear left position with the correct thread size of 18 x 1.5 mm. Avoid damaging the sensor wiring or connector during installation to maintain sensor integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet strict quality standards and OEM requirements. The ES20055 part number undergoes rigorous testing to ensure durability and accurate sensor readings. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388522234037,"sku":"BBMX-ES20055","price":93.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20055_Ang.jpg?v=1774712032","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20055-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}