{"product_id":"walker-350-34364-oxygen-sensor","title":"Walker 350-34364 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of Walker 350-34364 Oxygen Sensor for Nissan and Infiniti\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34364 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 providing precise air-fuel mixture data to the vehicle’s engine management system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration\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\u003eRadiused polygon male connector for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 45.59 inches and overall length of 49.13 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for reliable signal transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-34364) features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. The sensor includes a 4-wire design, which supports both the sensor signal and heater circuit, ensuring consistent operation under various engine conditions. The connector is a radiused polygon shape with a male gender, providing a secure and precise fit to the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.\u003c\/p\u003e\u003cp\u003eThe wiring harness length of 45.59 inches and overall sensor length of 49.13 inches are engineered to match the specific routing and fitment requirements of the Nissan Pathfinder and Infiniti QX4 models. The 20-gauge wire measurement supports durability and reliable electrical conductivity.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct-fit solution designed to maintain factory performance and emissions compliance for Nissan and Infiniti vehicles. The product line emphasizes quality construction and precise fitment to support vehicle longevity and regulatory standards.\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 engine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by ensuring correct emissions feedback\u003c\/li\u003e\n\u003cli\u003eSupports emissions system compliance for Nissan Pathfinder and Infiniti QX4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Walker 350-34364 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. The threaded mounting type with an 18.0 mm diameter allows for standard oxygen sensor socket use. Ensure the radiused polygon male connector is properly aligned and securely connected to the vehicle’s wiring harness. Avoid damaging the wiring harness during installation and verify sensor wiring integrity before finalizing the installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34364 should be confirmed at the point of purchase, Walker typically offers limited warranties covering defects in materials and workmanship. This ensures reliable performance and peace of mind when replacing oxygen sensors on Nissan Pathfinder and Infiniti QX4 vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538218090677,"sku":"DKHD-350-34364","price":63.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034364_Fro.jpg?v=1774892060","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34364-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}