{"product_id":"delphi-es20371-oxygen-sensor","title":"Delphi ES20371 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi Heated Oxygen Sensor for Mazda 3 and 5\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20371 oxygen sensor is designed to provide accurate emissions monitoring for Mazda 3 and Mazda 5 vehicles. This heated oxygen sensor features a 4-wire design and a square connector shape, ensuring reliable performance and compatibility with your vehicle's emission control system.\u003c\/p\u003e\u003ch2\u003eKey Features of Delphi ES20371 Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times and improved efficiency\u003c\/li\u003e\n\u003cli\u003e4-wire configuration for precise signal transmission\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure and proper fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with rear exhaust ports\u003c\/li\u003e\n\u003cli\u003eOverall length of 830 mm to accommodate vehicle-specific installation requirements\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003cli\u003ePositioned for rear exhaust placement on Mazda 3 and Mazda 5 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Delphi ES20371 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20371 oxygen sensor is engineered to meet the emission control needs of Mazda 3 and Mazda 5 vehicles. Its heated sensor design allows the unit to reach optimal operating temperature quickly, which helps reduce emissions and improve fuel economy. The 4-wire setup supports both the sensor signal and heater circuit, ensuring consistent and accurate oxygen level readings. The square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit in the rear exhaust position, maintaining the integrity of the vehicle’s emission system. With an overall length of 830 mm, this sensor is designed to fit the specific layout of the exhaust system on compatible Mazda models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture data\u003c\/li\u003e\n\u003cli\u003eIncreased emissions from inefficient combustion monitoring\u003c\/li\u003e\n\u003cli\u003eEngine performance problems related to exhaust gas sensor failure\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests caused by sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cooled down before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse the correct 18 x 1.5 mm thread size tools to prevent damage\u003c\/li\u003e\n\u003cli\u003eVerify the square connector aligns properly with the vehicle harness\u003c\/li\u003e\n\u003cli\u003eFollow the included instruction sheet for torque specifications and wiring checks\u003c\/li\u003e\n\u003cli\u003eInspect the exhaust port for debris or damage before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20371 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation or contact the vehicle manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388532654261,"sku":"BBMX-ES20371","price":137.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20371_Fro.jpg?v=1774712087","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20371-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}