{"product_id":"walker-350-34256-oxygen-sensor","title":"Walker 350-34256 Oxygen Sensor - Downstream, Upstream or Upstream Right","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34256\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34256 oxygen sensor is designed specifically for select Lexus and Toyota models, including the GS300, GS430, IS300, LS430, SC300, SC430, and Supra. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.\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 models listed\u003c\/li\u003e\n\u003cli\u003e15.28-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire measurement with 4 wires for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male 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 18.82 inches for correct fitment\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 that meet or exceed OEM specifications. The line emphasizes precise fitment and durability, making it suitable for maintaining factory-level emissions performance on compatible Lexus and Toyota vehicles.\u003c\/p\u003e\u003ch2\u003eProduct Description and Attributes\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34256 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 15.28-inch wiring harness length and 20 gauge wire ensure stable electrical signals, while the 4-wire configuration supports both sensor heating and signal output. The radiused polygon male connector provides a secure and reliable connection to the vehicle’s wiring harness. Its threaded mounting type with an 18.0 mm diameter ensures proper installation and sealing in the exhaust system. The overall length of 18.82 inches is designed to fit the specified Lexus and Toyota models without modification.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Lexus GS300, GS430, IS300, LS430, SC300, SC430\u003c\/li\u003e\n\u003cli\u003eCompatible with Toyota Supra models\u003c\/li\u003e\n\u003cli\u003eUsed to monitor oxygen levels in the exhaust for emissions control\u003c\/li\u003e\n\u003cli\u003eHelps maintain optimal air-fuel ratio for engine performance\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emissions regulations\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 installation to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse proper tools to remove the old sensor and install the threaded sensor securely\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness (radiused polygon male)\u003c\/li\u003e\n\u003cli\u003eCheck wiring harness length and routing to prevent damage or interference\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications for sensor installation\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 industry standards for emissions control components. The 350-34256 part number undergoes quality checks to ensure durability and reliable performance. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538102812853,"sku":"DKHD-350-34256","price":58.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034256_Fro.jpg?v=1774892029","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34256-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}