{"product_id":"walker-250-23159-oxygen-sensor","title":"Walker 250-23159 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-23159 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-23159 oxygen sensor is designed specifically for select INFINITI and Nissan models, including the Altima, Frontier, G20, and Xterra. 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 INFINITI and Nissan vehicles\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\u003eWiring harness length of 11.34 inches and overall length of 14.88 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for reliable signal transmission\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 250-23159) 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 a radiused polygon male connector, ensuring a precise and secure fit. The wiring harness length measures 11.34 inches, providing adequate reach for installation in the exhaust system. The sensor’s overall length is 14.88 inches, and it mounts via a threaded connection with an 18.0 mm thread diameter, compatible with the specified Nissan and INFINITI models.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed in your INFINITI or Nissan vehicle. Using a Walker Products OE sensor helps maintain proper emissions control 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 Nissan Altima, Frontier, G20, and Xterra\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine performance issues related to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing accurate exhaust gas readings\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers caused by sensor malfunctions\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring proper sensor feedback\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-23159 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. Confirm the radiused polygon male connector is securely attached to the vehicle’s wiring harness. Verify the wiring harness length and overall sensor length fit the application without strain or interference.\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 durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports reliable vehicle operation.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531517427893,"sku":"DKHD-250-23159","price":71.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25023159_Fro.jpg?v=1774891535","url":"https:\/\/www.partcatalog.com\/products\/walker-250-23159-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}