{"product_id":"walker-350-34503-oxygen-sensor","title":"Walker 350-34503 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of Walker 350-34503 Oxygen Sensor for Lexus Models\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34503 oxygen sensor is designed specifically for select Lexus vehicles, including the GS300, IS300, IS350, RC300, and RC350. 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 Lexus GS300, IS300, IS350, RC300, and RC350\u003c\/li\u003e\n\u003cli\u003e42.05-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003e22 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 45.59 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 350-34503, is engineered to meet the specific requirements of various Lexus models. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, which helps reduce emissions during cold starts. The sensor includes a 42.05-inch wiring harness with 22 gauge wires and four conductors, ensuring consistent and accurate data transmission to the vehicle’s engine control unit (ECU). The radiused polygon male connector is designed for a secure and precise fit, minimizing the risk of connection issues. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a direct replacement solution tailored for specific vehicle applications. The product line emphasizes quality construction and compatibility, ensuring that the 350-34503 sensor integrates seamlessly with the Lexus GS300, IS300, IS350, RC300, and RC350 models.\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 oxygen level readings\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty sensors\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring optimal sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34503 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector shape and gender match the vehicle’s harness for a secure connection. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications. It is recommended to inspect the exhaust system for leaks or damage during installation.\u003c\/p\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 350-34503 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing oxygen sensors on Lexus GS300, IS300, IS350, RC300, and RC350 vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538302632117,"sku":"DKHD-350-34503","price":66.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034503_Fro.jpg?v=1774892101","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34503-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}