{"product_id":"walker-250-54077-oxygen-sensor","title":"Walker 250-54077 Oxygen Sensor - Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker 250-54077 Oxygen Sensor for Volvo S80 and XC90\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54077 oxygen sensor is designed specifically for Volvo S80 and XC90 models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Volvo S80 and XC90 vehicles\u003c\/li\u003e\n\u003cli\u003e28.07-inch wiring harness length for flexible placement\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for reliable connection\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for durability and signal integrity\u003c\/li\u003e\n\u003cli\u003eOverall length of 31.61 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54077 oxygen sensor is a heated sensor designed to provide accurate air-fuel mixture data to the engine control unit (ECU). It includes a 28.07-inch wiring harness and four wires with a 20-gauge measurement, ensuring reliable electrical performance. The sensor’s threaded mounting type with an 18.0 mm thread diameter allows for secure installation in the exhaust system. The radiused polygon male connector ensures a precise and stable connection, reducing the risk of signal loss or disconnection. With an overall length of 31.61 inches, this sensor fits perfectly in the designated locations on Volvo S80 and XC90 models.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that each sensor, including the 250-54077, delivers consistent performance and durability tailored to specific vehicle applications such as the Volvo S80 and XC90.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel ratio for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate sensor data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring correct sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-54077 oxygen sensor, ensure the threaded mounting is tightened to manufacturer torque specifications to avoid exhaust leaks. The radiused polygon male connector should be securely connected to prevent electrical issues. Verify the wiring harness length of 28.07 inches is sufficient for your vehicle’s routing requirements. It is recommended to inspect the sensor wiring and connector for damage before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and longevity. The 250-54077 part number undergoes rigorous testing to comply with emission control requirements for Volvo S80 and XC90 models. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533609926837,"sku":"DKHD-250-54077","price":151.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054077_Fro.jpg?v=1774891829","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54077-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}