{"product_id":"walker-250-24101-oxygen-sensor","title":"Walker 250-24101 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of Walker 250-24101 Oxygen Sensor for Nissan and Infiniti\u003c\/h2\u003e\u003cp\u003eThe Walker 250-24101 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 4-wire design for precise readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Nissan Pathfinder and Infiniti QX4\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e47.36 inches wiring harness length with radiused polygon male connector\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for reliable electrical conductivity\u003c\/li\u003e\n\u003cli\u003eOverall length of 50.91 inches for proper installation depth\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 250-24101) features a heated sensor type that allows for faster warm-up times and improved fuel efficiency. The sensor includes a 4-wire configuration, which supports both the sensor signal and heater circuit, enhancing responsiveness and durability. The wiring harness length of 47.36 inches provides ample reach for installation in the exhaust system of Nissan Pathfinder and Infiniti QX4 vehicles. The connector is a radiused polygon shape with a male gender, ensuring a secure and precise connection to the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement and compatibility with the original equipment specifications.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment standards. This oxygen sensor is engineered to provide reliable performance and durability consistent with factory-installed parts. By using Walker Products OE components, technicians and vehicle owners can maintain the integrity of their Nissan Pathfinder or Infiniti QX4’s emission system with confidence.\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\u003eHelps resolve rough idling and engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces increased emissions and potential failed emissions tests\u003c\/li\u003e\n\u003cli\u003ePrevents poor fuel economy linked to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-24101 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 shape and wire count match the vehicle’s harness before installation. Proper torque should be applied to the 18.0 mm threaded sensor to prevent leaks and ensure sensor longevity.\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 emission control components. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports the long-term reliability of Nissan Pathfinder and Infiniti QX4 vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531645124789,"sku":"DKHD-250-24101","price":67.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024101_Fro.jpg?v=1774891559","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24101-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}