{"product_id":"delphi-es20403-oxygen-sensor","title":"Delphi ES20403 Oxygen Sensor - Rear","description":"\u003ch2\u003eOverview of Delphi ES20403 Oxygen Sensor for Honda Civic\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20403 is a heated oxygen sensor designed specifically for the rear position on Honda Civic models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate and fast response\u003c\/li\u003e\n\u003cli\u003e4-wire design with a square connector shape for secure fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm for direct replacement\u003c\/li\u003e\n\u003cli\u003eOverall length of 620 mm to match factory specifications\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20403 oxygen sensor is engineered to meet the specific requirements of Honda Civic vehicles. Featuring a heated sensor type, it ensures quicker warm-up times and reliable readings under various operating conditions. The 4-wire configuration supports both the sensor signal and heater circuit, improving durability and performance. Its square connector shape and 18 x 1.5 mm thread size allow for straightforward installation in the rear exhaust position. With an overall length of 620 mm, this sensor fits precisely without modification.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with Honda Civic models requiring a rear oxygen sensor replacement. It is designed to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eErratic or poor fuel economy due to faulty oxygen readings\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eIncreased emissions from improper air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eEngine performance problems related to exhaust gas monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the sensor or threads\u003c\/li\u003e\n\u003cli\u003eVerify connector shape matches the vehicle harness for proper connection\u003c\/li\u003e\n\u003cli\u003eFollow the included instruction sheet for torque specifications and wiring\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 fit, form, and function. The ES20403 part number undergoes rigorous testing to ensure durability and accurate sensor output. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388534718645,"sku":"BBMX-ES20403","price":122.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20403_Ang.jpg?v=1774712094","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20403-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}