{"product_id":"delphi-es20378-oxygen-sensor","title":"Delphi ES20378 Oxygen Sensor","description":"\u003ch2\u003eDelphi ES20378 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20378 is a heated oxygen sensor designed for precise emission control in select Audi, Porsche, and Volkswagen vehicles. Engineered with a 4-wire configuration and a flat connector shape, 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 reliable operation\u003c\/li\u003e\n\u003cli\u003eFlat connector shape for secure and easy connection\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with specified vehicle models\u003c\/li\u003e\n\u003cli\u003eOverall length of 555.0 mm for proper fitment\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003cli\u003eCompatible with center right, rear, rear left, and rear right positions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20378 oxygen sensor is a critical component in the emission control system, designed to monitor oxygen levels in the exhaust gases. Its heated sensor type allows for faster warm-up times, improving sensor responsiveness and reducing emissions during cold starts. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The flat connector shape facilitates a secure electrical connection, minimizing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 555.0 mm, this sensor fits precisely in the designated positions such as center right, rear, rear left, and rear right on compatible vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with a range of Audi, Porsche, and Volkswagen models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi A3 Quattro, A6 Quattro, A8 Quattro, RS4, RS5, S5, S6, S8\u003c\/li\u003e\n\u003cli\u003ePorsche Cayenne\u003c\/li\u003e\n\u003cli\u003eVolkswagen CC, Eos, Jetta, Passat, Q7, R32, Touareg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace faulty or worn oxygen sensors in these vehicles, ensuring proper emission control and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Delphi ES20378 Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel mixture readings causing poor fuel economy\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEngine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20378 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct tools to avoid damaging the sensor or threads. Verify the sensor position matches the specified locations (center right, rear, rear left, rear right) for your vehicle model. Follow the included instruction sheet carefully for proper wiring and torque specifications. Avoid over-tightening to prevent thread damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi manufactures the ES20378 oxygen sensor to meet OEM standards for durability and performance. While specific warranty details are not provided, Delphi products typically undergo rigorous testing to ensure reliability in emission control applications. For warranty information, refer to the product documentation or contact the manufacturer directly.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52089166659765,"sku":"BBMX-ES20378","price":111.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20378_Fro.jpg?v=1775148298","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20378-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}