{"product_id":"walker-350-34479-oxygen-sensor","title":"Walker 350-34479 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34479\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34479 oxygen sensor is designed specifically for select Lexus and Toyota models, including the 4Runner, FJ Cruiser, GX460, Land Cruiser, LX570, Sequoia, Tacoma, Tundra, and Venza. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus and Toyota vehicles\u003c\/li\u003e\n\u003cli\u003e7.4-inch wiring harness length with 20 gauge wire\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector with 4 wires\u003c\/li\u003e\n\u003cli\u003eOverall length of 10.94 inches for precise installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34479 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 7.4-inch wiring harness made with 20 gauge wire, providing durability and reliable electrical connectivity. Its 4-wire configuration supports both the sensor signal and heater circuit. The radiused polygon male connector ensures a secure and specific fit, minimizing installation errors. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement in compatible exhaust systems. With an overall length of 10.94 inches, this sensor fits precisely in the designated locations on compatible Lexus and Toyota models.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components designed to meet or exceed OEM specifications. Walker Products Aftermarket parts are engineered for direct fitment and performance, making them suitable replacements for original equipment sensors in Lexus and Toyota vehicles.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level readings for engine control units\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces emissions-related check engine light triggers\u003c\/li\u003e\n\u003cli\u003ePrevents failed emissions tests due to faulty sensors\u003c\/li\u003e\n\u003cli\u003eImproves overall engine performance and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34479 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Confirm the radiused polygon male connector aligns correctly with the vehicle’s harness. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. Verify all connections are secure before starting the engine.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable performance. The 350-34479 sensor is manufactured to precise specifications for Lexus and Toyota applications. Warranty details are provided by Walker Products Aftermarket and typically cover defects in materials and workmanship under normal use.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538282119349,"sku":"DKHD-350-34479","price":68.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034479_Fro.jpg?v=1774892094","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34479-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}