{"product_id":"walker-250-23091-oxygen-sensor","title":"Walker 250-23091 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eOverview of Walker 250-23091 Oxygen Sensor for Subaru Vehicles\u003c\/h2\u003e\u003cp\u003eThe Walker 250-23091 oxygen sensor is designed specifically for Subaru Forester, Impreza, and Legacy 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 3-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Subaru Forester, Impreza, and Legacy\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 wiring harness connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 13.31 inches and overall length of 16.85 inches\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-23091) features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. The sensor includes a 3-wire setup with 20 gauge wiring, ensuring consistent electrical performance. Its radiused polygon male connector provides a precise and secure fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible Subaru models. The wiring harness length of 13.31 inches and overall length of 16.85 inches are designed to match factory specifications for a direct replacement.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor is part of that line, ensuring compatibility and performance tailored to Subaru vehicles. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emission control system and supports compliance with environmental regulations.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing precise exhaust gas data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance problems caused by faulty sensor readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-23091 oxygen sensor, ensure the vehicle is compatible with this specific fit for Subaru Forester, Impreza, and Legacy models. Use appropriate tools to avoid damaging the 18.0 mm threaded mounting. Verify the radiused polygon male connector aligns correctly with the vehicle’s wiring harness. It is recommended to inspect the wiring and connector for any damage before installation to ensure optimal sensor performance.\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 operation and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor supports maintaining the vehicle’s emission system integrity and helps meet regulatory requirements.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531494555829,"sku":"DKHD-250-23091","price":55.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25023091_Fro.jpg?v=1774891527","url":"https:\/\/www.partcatalog.com\/products\/walker-250-23091-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}