{"product_id":"delphi-es20320-oxygen-sensor","title":"Delphi ES20320 Oxygen Sensor - Front Left, Rear, Rear Left or Rear Right","description":"\u003ch2\u003eDelphi ES20320 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20320 is a heated oxygen sensor designed for precise emission control in select GM vehicles. Engineered with 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\u003eHeated oxygen sensor with 4 wires for fast response\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure and reliable connection\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm for direct fitment\u003c\/li\u003e\n\u003cli\u003eOverall length of 310.0 mm to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003cli\u003eCompatible with front left, rear, rear left, and rear right positions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20320 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving emission control efficiency. Its 4-wire setup supports both sensor heating and signal transmission, enhancing durability and accuracy. The square connector shape ensures a secure fit with factory wiring harnesses, while the 18 x 1.5 mm thread size matches OEM standards for easy installation. With an overall length of 310.0 mm, this sensor fits precisely in the designated mounting locations.\u003c\/p\u003e\u003cp\u003eThis oxygen sensor is compatible with a range of General Motors vehicles, including Buick, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, and Saturn models. Specific fitment includes vehicles such as the Chevrolet Impala, Malibu, Equinox, and Corvette, as well as the Buick LaCrosse and Regal, GMC Sierra, Hummer H3, Pontiac Grand Prix, and Saturn Vue among others.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel ratio for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing accurate oxygen level data to the engine control unit\u003c\/li\u003e\n\u003cli\u003eAddresses issues like rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine performance and reduced exhaust emissions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20320 oxygen sensor, ensure the engine is cool to avoid burns. Use the included instruction sheet for proper wiring and positioning guidance. Verify the sensor’s thread size matches the vehicle’s exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal. Confirm the sensor is connected securely to the square connector to avoid signal interruptions.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The ES20320 part number undergoes rigorous testing for accuracy and longevity. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388531638453,"sku":"BBMX-ES20320","price":86.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20320_Fro_9e268847-64c7-4cd9-b19e-1d08990e3ecc.jpg?v=1774712080","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20320-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}