{"product_id":"walker-250-24290-oxygen-sensor","title":"Walker 250-24290 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker 250-24290 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-24290 oxygen sensor is designed specifically for select Mazda and Subaru models, including the Mazda 626 and Subaru Impreza, Legacy, and Outback. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mazda 626 and Subaru Impreza, Legacy, Outback\u003c\/li\u003e\n\u003cli\u003e15.08-inch wiring harness length with 4 wires\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 18.62 inches for proper fitment\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-24290) is engineered to meet the exact specifications of your vehicle’s original equipment. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining efficient combustion and reducing emissions. The sensor includes a 15.08-inch wiring harness with four wires, allowing for proper electrical connections and compatibility with the vehicle’s engine control unit. Its radiused polygon female connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering emission control components that match or exceed original equipment standards. This oxygen sensor is part of that line, ensuring it meets the durability and performance requirements expected by Mazda and Subaru vehicles. Using a Walker Products OE sensor helps maintain factory-level emissions compliance and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for faulty or failing oxygen sensors in Mazda 626 and Subaru Impreza, Legacy, Outback\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy caused by inaccurate oxygen readings\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper air-fuel mixture monitoring\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves engine performance by maintaining optimal combustion conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-24290 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly torque the sensor to manufacturer specifications to prevent exhaust leaks. It is recommended to inspect wiring and connectors for damage during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards for fit, form, and function. This part number 250-24290 undergoes rigorous testing to ensure reliable performance in Mazda and Subaru vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting long-term durability and customer confidence.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43532018024629,"sku":"DKHD-250-24290","price":61.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024290_Fro.jpg?v=1774891633","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24290-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}