{"product_id":"walker-350-33081-oxygen-sensor","title":"Walker 350-33081 Oxygen Sensor - Upstream Left","description":"\u003ch2\u003eOverview of Walker 350-33081 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-33081 oxygen sensor is designed specifically for select INFINITI and Nissan vehicles, including the Frontier, Pathfinder, QX4, and Xterra models. 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 sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for INFINITI and Nissan Frontier, Pathfinder, QX4, and Xterra\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e34.37 inches wiring harness length with 3 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 37.91 inches for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket 350-33081 oxygen sensor is engineered to meet the exact specifications required by your vehicle’s emission system. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, which helps reduce emissions during cold starts. The sensor’s 3-wire configuration and 20 gauge wire ensure reliable signal transmission, while the radiused polygon male connector offers a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe. With an overall length of 37.91 inches and a wiring harness length of 34.37 inches, this oxygen sensor is tailored for specific fitment on INFINITI and Nissan models such as the Frontier, Pathfinder, QX4, and Xterra.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket is a dedicated product line focused on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring compatibility and durability for emission systems in INFINITI and Nissan vehicles. The line emphasizes precise fitment and reliable performance, supporting emission compliance and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces engine misfires caused by faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003ePrevents increased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eAddresses rough idling and poor fuel economy issues\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\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 removing the old sensor to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for the 18.0 mm threaded sensor to prevent damage\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness for proper connection\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten the sensor to avoid thread damage\u003c\/li\u003e\n\u003cli\u003eCheck for exhaust leaks after installation to ensure sensor accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Walker 350-33081 oxygen sensor is manufactured to meet strict quality standards for emission control components. It undergoes rigorous testing to ensure durability and reliable performance in demanding conditions. While specific warranty details may vary, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43537946607797,"sku":"DKHD-350-33081","price":46.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35033081_Fro_5cf5bc1d-584a-407a-90f1-63487fb2412f.jpg?v=1774891937","url":"https:\/\/www.partcatalog.com\/products\/walker-350-33081-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}