{"product_id":"walker-350-33103-oxygen-sensor","title":"Walker 350-33103 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 350-33103 Oxygen Sensor for Nissan and Infiniti\u003c\/h2\u003e\u003cp\u003eThe Walker 350-33103 oxygen sensor is designed specifically for select Nissan and Infiniti 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 Nissan Altima, Frontier, G20, and Infiniti Xterra\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eConnector features a radiused polygon shape with male gender\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 electrical performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products Aftermarket Line Details\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and reliable sensor performance to maintain factory-level emissions standards and engine efficiency.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 350-33103 oxygen sensor is a heated sensor type, which allows it to reach operating temperature quickly for accurate readings. It includes three wires with a 20-gauge measurement, ensuring stable electrical signals. The sensor mounts via a threaded connection with an 18.0 mm diameter, compatible with the exhaust system of Nissan and Infiniti vehicles listed. The connector is designed with a radiused polygon shape and male gender to match factory wiring harnesses, simplifying installation. The wiring harness length of 11.34 inches and overall length of 14.88 inches provide adequate reach and fitment within the engine bay.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNissan Altima oxygen sensor replacement\u003c\/li\u003e\n\u003cli\u003eNissan Frontier emission sensor upgrade\u003c\/li\u003e\n\u003cli\u003eInfiniti G20 oxygen sensor fitment\u003c\/li\u003e\n\u003cli\u003eInfiniti Xterra exhaust sensor replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture readings\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests caused by sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEngine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust emissions from inaccurate sensor data\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the factory harness before installation. The 11.34-inch wiring harness length provides flexibility, but routing should avoid heat sources and moving parts. Threaded mounting requires proper torque to prevent leaks or sensor damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain emissions compliance and engine efficiency in Nissan and Infiniti vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43537951326389,"sku":"DKHD-350-33103","price":59.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35033103_Fro.jpg?v=1774891943","url":"https:\/\/www.partcatalog.com\/products\/walker-350-33103-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}