{"product_id":"delphi-es20321-oxygen-sensor","title":"Delphi ES20321 Oxygen Sensor - Front or Rear","description":"\u003ch2\u003eDelphi ES20321 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20321 is a heated oxygen sensor designed for precise emission control in select Chrysler, Dodge, Jeep, and Plymouth vehicles. This sensor features a 4-wire configuration and a round connector shape, ensuring reliable performance and compatibility with various engine management systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate exhaust gas monitoring\u003c\/li\u003e\n\u003cli\u003e4-wire design for improved signal stability\u003c\/li\u003e\n\u003cli\u003eRound connector shape for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm for proper fitment\u003c\/li\u003e\n\u003cli\u003eOverall length of 325.0 mm to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet\u003c\/li\u003e\n\u003cli\u003eCompatible with front and rear positions depending on vehicle model\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20321 oxygen sensor is engineered to meet the specific requirements of emission control systems in a range of Chrysler, Dodge, Jeep, and Plymouth models. Its heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. The 4-wire configuration supports both the sensor heater circuit and signal output, enhancing responsiveness and durability. The round connector shape and 18 x 1.5 mm thread size ensure a secure and precise installation. With an overall length of 325.0 mm, this sensor fits correctly in designated front or rear positions, depending on the vehicle's design.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChrysler 300M, Cirrus, Concorde, Intrepid, LHS, Sebring, Stratus, Town \u0026amp; Country, Voyager\u003c\/li\u003e\n\u003cli\u003eDodge B1500, B2500, B3500, Caravan, Dakota, Durango, Neon\u003c\/li\u003e\n\u003cli\u003eJeep Cherokee, Grand Cherokee, Wrangler\u003c\/li\u003e\n\u003cli\u003ePlymouth Breeze, Prowler, Grand Voyager\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain optimal air-fuel ratio for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate oxygen level data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eSupports proper operation of catalytic converters\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20321 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct socket size for the 18 x 1.5 mm thread to prevent damage. Verify the sensor position (front or rear) according to your vehicle’s service manual. Connect the 4-wire harness securely to avoid electrical issues. Follow the included instruction sheet for detailed installation guidance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20321 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. This product typically includes a limited warranty covering defects in materials and workmanship. Refer to Delphi’s official warranty policy for specific terms and conditions.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388531671221,"sku":"BBMX-ES20321","price":68.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20321_Fro.jpg?v=1774712080","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20321-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}