{"product_id":"delphi-es20009-oxygen-sensor","title":"Delphi ES20009 Oxygen Sensor - Front or Rear Left","description":"\u003ch2\u003eDelphi ES20009 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20009 is a heated oxygen sensor designed for precise emission control in select GM vehicles. Engineered with a 4-wire configuration and a triangle-shaped connector, this sensor ensures accurate readings and reliable performance for models like the Chevrolet Silverado 2500 HD and Buick LaCrosse.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire design for fast response\u003c\/li\u003e\n\u003cli\u003eTriangle-shaped connector for secure and proper fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with specified GM models\u003c\/li\u003e\n\u003cli\u003eOverall length of 580 mm for optimal 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 ES20009 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire design supports both sensor signal and heater power, ensuring consistent performance. The triangle connector shape and 18 x 1.5 mm thread size provide a secure and vehicle-specific fit. This sensor is compatible with front and rear left positions on various GM vehicles, including Buick Aura, Cadillac SRX, Chevrolet Avalanche 2500, GMC Sierra 3500 HD, Pontiac G6, Saturn Aura, and more. For exact position compatibility, refer to your vehicle’s specifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain optimal air-fuel mixture for efficient engine operation\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 such as rough idling and poor fuel economy\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves overall engine performance and emission compliance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20009 oxygen sensor, ensure the engine is cool to avoid burns. Use the included instruction sheet for guidance on proper torque and connector engagement. Verify the sensor position (front or rear left) matches your vehicle’s requirements. It is recommended to inspect the wiring harness and connector for damage before installation. Proper installation helps maintain sensor accuracy and longevity.\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 ES20009 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects. Consult product documentation or your supplier for exact warranty terms.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388517875893,"sku":"BBMX-ES20009","price":104.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20009_Ang.jpg?v=1774712020","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20009-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}