{"product_id":"delphi-es10939-oxygen-sensor","title":"Delphi ES10939 Oxygen Sensor - Front","description":"\u003ch2\u003eOverview of Delphi ES10939 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Delphi ES10939 oxygen sensor is designed for precise emission control in select Jaguar models. Featuring a 4-wire configuration and a square connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4-wire oxygen sensor 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 Jaguar models\u003c\/li\u003e\n\u003cli\u003eOverall length of 450.0 mm for correct installation depth\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003cli\u003ePositioned for front placement in the exhaust system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Delphi ES10939 oxygen sensor is engineered to meet the emission control requirements of Jaguar vehicles including the S-Type, Super V8, Vanden Plas, X-Type, XJ8, XJR, XK8, and XKR. Its 4-wire design allows for heated sensor operation, improving response time and durability under varying engine conditions. The square connector shape ensures a secure electrical connection, reducing the risk of signal loss or corrosion. With a thread size of 18 x 1.5 mm and an overall length of 450.0 mm, this sensor fits precisely in the front position of the exhaust system, providing accurate oxygen level readings to the engine control unit (ECU).\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel ratio for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate feedback to the ECU\u003c\/li\u003e\n\u003cli\u003eResolves engine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by optimizing engine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the sensor is installed in the front position of the exhaust manifold as specified\u003c\/li\u003e\n\u003cli\u003eUse the included instruction sheet for torque specifications and wiring guidance\u003c\/li\u003e\n\u003cli\u003eVerify the square connector is fully seated to avoid electrical issues\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on the threads if recommended to facilitate future removal\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery before installation to prevent electrical shorts\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 ES10939 part number undergoes rigorous testing to ensure compatibility and reliability with Jaguar S-Type, Super V8, Vanden Plas, X-Type, XJ8, XJR, XK8, and XKR models. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to support long-term use.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388516237493,"sku":"BBMX-ES10939","price":240.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES10939_Fro.jpg?v=1774712005","url":"https:\/\/www.partcatalog.com\/products\/delphi-es10939-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}