{"product_id":"walker-350-34643-oxygen-sensor","title":"Walker 350-34643 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eOverview of Walker 350-34643 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34643 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Camry, IS300, SC300, Solara, and Supra. This heated oxygen sensor provides accurate emissions control by monitoring exhaust gases and ensuring optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire design for precise readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus and Toyota vehicles including Camry, IS300, SC300, Solara, and Supra\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with an 18.0 mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eConnector features a radiused polygon shape with a male gender\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 20.39 inches and overall length of 23.94 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-34643) is engineered to meet the specific requirements of various Lexus and Toyota models. The heated sensor type ensures faster warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The 4-wire configuration supports both the sensor signal and the heating element, enhancing sensor responsiveness and durability.\u003c\/p\u003e\u003cp\u003eThe sensor’s threaded mounting type with an 18.0 mm diameter allows for a secure and leak-free fit. The connector’s radiused polygon shape and male gender ensure compatibility with the vehicle’s wiring harness, simplifying installation. With a wiring harness length of 20.39 inches and an overall length of 23.94 inches, this oxygen sensor fits precisely without excess slack or tension.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on providing reliable emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution for emission sensors in Lexus and Toyota vehicles. The product line emphasizes quality materials and precise fitment to maintain vehicle emission standards and engine performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces increased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring efficient combustion\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light codes related to oxygen sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34643 oxygen sensor, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the connector shape and wire count match the vehicle’s harness before installation. Thread the sensor by hand initially to prevent cross-threading, then tighten to manufacturer torque specifications. Inspect wiring for damage and secure the harness to prevent strain.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability under typical operating conditions. While specific warranty details are not provided here, Walker generally offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538391367861,"sku":"DKHD-350-34643","price":56.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034643_Fro.jpg?v=1774892141","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34643-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}