{"product_id":"delphi-es20001-oxygen-sensor","title":"Delphi ES20001 Oxygen Sensor - Front or Rear","description":"\u003ch2\u003eDelphi ES20001 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20001 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 fitment\u003c\/li\u003e\n\u003cli\u003eThread size: 18 x 1.5 mm for direct replacement\u003c\/li\u003e\n\u003cli\u003eOverall length of 310.0 mm for proper installation\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\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20001 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving emission control efficiency. The 4-wire setup includes two wires for the heating element and two for the sensor signal, providing reliable data to the engine control unit. Its square connector shape and 18 x 1.5 mm thread size ensure a precise fit in vehicles such as Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models including the Achieva, Alero, Aurora, Bonneville, Camaro, and more. The sensor’s overall length of 310 mm supports installation in both front and rear positions, depending on the specific vehicle application.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\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 readings\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance problems related to faulty sensors\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers caused by oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by enabling precise engine adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the sensor position (front or rear) specific to your vehicle model. Use the included instruction sheet for guidance. Ensure the thread size matches the original sensor (18 x 1.5 mm) and avoid over-tightening to prevent damage. Disconnect the battery before replacing the sensor to avoid electrical issues. The square connector should securely snap into place for proper electrical connection.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The ES20001 part number is backed by Delphi’s quality standards, providing consistent sensor operation for emission control systems. Warranty coverage details should be confirmed with the point of purchase or vehicle manufacturer guidelines.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388517515445,"sku":"BBMX-ES20001","price":61.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20001_Ang_f4c7248d-19ce-45dc-acf3-ee3bbd5b6033.jpg?v=1774712017","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20001-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}