{"product_id":"walker-350-34407-oxygen-sensor","title":"Walker 350-34407 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eOverview of Walker 350-34407 Oxygen Sensor for Toyota Vehicles\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34407 oxygen sensor is designed specifically for select Toyota models including the 4Runner, Pickup, and Previa. 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 Toyota 4Runner, Pickup, and Previa models\u003c\/li\u003e\n\u003cli\u003e18.43-inch wiring harness length with 20 gauge wire\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration with radiused polygon male connector\u003c\/li\u003e\n\u003cli\u003eFlange mount with 18.0 mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eOverall length of 21.97 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide quicker warm-up and more accurate readings under various operating conditions. The four-wire design supports both the sensor signal and heater circuit, improving reliability and sensor lifespan. The wiring harness length of 18.43 inches and 20 gauge wire ensure proper electrical connectivity without excess slack or strain. The radiused polygon male connector is designed for a secure and precise connection to the vehicle’s wiring harness. The flange mount with an 18.0 mm thread diameter allows for straightforward installation in the exhaust system, maintaining a tight seal and proper sensor positioning.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Brand Line\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of their sensor lineup, providing reliable performance and compatibility with specific vehicle applications. The focus on exact fitment and quality materials supports emission compliance and engine efficiency for Toyota vehicles such as the 4Runner, Pickup, and Previa.\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 harmful emissions by providing accurate exhaust gas data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers related to sensor failure\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine idling and acceleration response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34407 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. Verify the radiused polygon male connector aligns correctly with the vehicle’s harness. Apply anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Confirm the flange mount is securely tightened to prevent exhaust leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34407 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This ensures confidence in the sensor’s reliability for Toyota 4Runner, Pickup, and Previa applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538258919605,"sku":"DKHD-350-34407","price":47.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034407_Fro.jpg?v=1774892072","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34407-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}