{"product_id":"walker-250-54015-oxygen-sensor","title":"Walker 250-54015 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-54015 Oxygen Sensor for Subaru Vehicles\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54015 oxygen sensor is designed specifically for Subaru Impreza, Legacy, and Outback models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for precise readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Subaru Impreza, Legacy, and Outback\u003c\/li\u003e\n\u003cli\u003e12.52-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 16.06 inches for proper fitment\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-54015) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor includes a 12.52-inch wiring harness and four wires, allowing for accurate signal transmission and compatibility with the vehicle’s engine control unit. The radiused polygon male connector ensures a secure and reliable electrical connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.\u003c\/p\u003e\u003cp\u003eWalker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by Subaru vehicles such as the Impreza, Legacy, and Outback.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate exhaust gas 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 enabling precise engine adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-54015 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the radiused polygon male connector is fully seated and locked to avoid electrical issues. This sensor is designed for specific Subaru models, so confirm compatibility before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this part helps maintain compliance with emissions regulations and supports long-term vehicle operation.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533458079925,"sku":"DKHD-250-54015","price":180.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054015_Fro.jpg?v=1774891812","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54015-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}