{"product_id":"walker-350-34190-oxygen-sensor","title":"Walker 350-34190 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker 350-34190 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34190 oxygen sensor is designed specifically for Nissan Frontier, Sentra, 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 Nissan Frontier, Sentra, and Xterra\u003c\/li\u003e\n\u003cli\u003e26.69-inch wiring harness length for precise installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female 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 30.24 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor, part number 350-34190, is engineered to meet the exact specifications required by Nissan Frontier, Sentra, and Xterra vehicles. Featuring a heated sensor element, it provides quicker warm-up times compared to unheated sensors, improving fuel efficiency and reducing emissions sooner after engine start. The 4-wire design includes a dedicated heater circuit and signal wires, ensuring reliable sensor operation and accurate data transmission to the vehicle’s engine control unit.\u003c\/p\u003e\u003cp\u003eThe sensor’s wiring harness length of 26.69 inches allows for proper routing and connection without excess slack, while the 20 gauge wire ensures durability and resistance to electrical interference. The radiused polygon female connector is designed for a secure and precise fit, minimizing the risk of connection issues. Additionally, the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their aftermarket line, providing a reliable replacement option tailored for specific vehicle applications. The focus on exact fitment and quality materials supports consistent sensor performance and vehicle compliance with emissions regulations.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for faulty or failing oxygen sensors in Nissan Frontier, Sentra, and Xterra\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy caused by inaccurate oxygen readings\u003c\/li\u003e\n\u003cli\u003eReduces engine hesitation and stalling related to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eAssists in passing emissions inspections by maintaining proper exhaust gas monitoring\u003c\/li\u003e\n\u003cli\u003ePrevents 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 vehicle compatibility with Nissan Frontier, Sentra, or Xterra before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to remove the old sensor and avoid damaging the exhaust manifold threads\u003c\/li\u003e\n\u003cli\u003eConnect the radiused polygon female connector securely to the vehicle wiring harness\u003c\/li\u003e\n\u003cli\u003eVerify the wiring harness length and routing to prevent strain or interference\u003c\/li\u003e\n\u003cli\u003eFollow torque specifications for the 18.0 mm threaded mounting to ensure proper sealing\u003c\/li\u003e\n\u003c\/ul\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 350-34190 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability and performance.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538063360181,"sku":"DKHD-350-34190","price":72.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034190_Fro_f00f8984-61c2-443b-839a-5b5aa26c727d.jpg?v=1774892010","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34190-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}