{"product_id":"walker-250-23122-oxygen-sensor","title":"Walker 250-23122 Oxygen Sensor - Upstream Left","description":"\u003ch2\u003eOverview of Walker 250-23122 Oxygen Sensor for Nissan and Infiniti\u003c\/h2\u003e\u003cp\u003eThe Walker 250-23122 oxygen sensor is designed specifically for select Nissan and Infiniti models, including the Pathfinder and QX4. 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 Nissan Pathfinder and Infiniti QX4\u003c\/li\u003e\n\u003cli\u003e35.94-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003e20-gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eOverall length of 39.49 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Attributes\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-23122) features a heated sensor element that allows for faster warm-up times and improved emissions monitoring. The sensor includes a 35.94-inch wiring harness with 20-gauge wires, providing durability and consistent electrical performance. Its 3-wire design supports both the sensor signal and heater circuit, essential for maintaining accurate readings under various operating conditions.\u003c\/p\u003e\u003cp\u003eThe connector is a radiused polygon shape with a male gender, ensuring a precise and secure fit with the vehicle’s wiring harness. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching factory specifications for the Nissan Pathfinder and Infiniti QX4 models. The overall length of 39.49 inches accommodates proper placement within 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 meet original equipment specifications. This oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor, supporting compliance with emissions standards and maintaining vehicle performance. Choosing a Walker Products OE sensor helps ensure compatibility and reliability for Nissan and Infiniti vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing correct exhaust gas readings\u003c\/li\u003e\n\u003cli\u003eReduces emissions by enabling effective catalytic converter operation\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate oxygen sensor socket or wrench for installation\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness before installation\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads if not pre-coated\u003c\/li\u003e\n\u003cli\u003eTorque sensor to manufacturer specifications to prevent leaks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 250-23122 undergoes rigorous testing to ensure durability and performance in Nissan Pathfinder and Infiniti QX4 applications. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531505664181,"sku":"DKHD-250-23122","price":72.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25023122_Fro.jpg?v=1774891531","url":"https:\/\/www.partcatalog.com\/products\/walker-250-23122-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}