{"product_id":"walker-350-34308-oxygen-sensor","title":"Walker 350-34308 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34308 for Lexus IS300\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket oxygen sensor 350-34308 is designed specifically for the Lexus IS300. 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 oxygen sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus IS300 models\u003c\/li\u003e\n\u003cli\u003e33.98-inch wiring harness length for precise installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire with 4-wire configuration\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 37.52 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor 350-34308 is engineered to meet the exact specifications required by the Lexus IS300. Featuring a heated sensor type, it provides quicker warm-up times compared to unheated sensors, improving fuel efficiency and reducing emissions sooner after engine start. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation and accurate data transmission to the vehicle’s engine control unit.\u003c\/p\u003e\u003cp\u003eThe wiring harness length of 33.98 inches allows for flexible routing during installation, while the 20 gauge wire ensures durability and resistance to heat and vibration. The radiused polygon male connector is designed for a secure and precise fit, minimizing the risk of connection issues. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching OEM specifications for the Lexus IS300.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a reliable and direct-fit solution for Lexus IS300 owners seeking to maintain proper emissions performance and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for faulty or failing oxygen sensors in Lexus IS300\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy caused by sensor malfunction\u003c\/li\u003e\n\u003cli\u003eReduces engine hesitation and improves throttle response\u003c\/li\u003e\n\u003cli\u003eAssists in passing emissions inspections by ensuring accurate exhaust gas readings\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\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 sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate oxygen sensor socket for threaded removal and installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten; torque to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eCheck connector compatibility with the radiused polygon male plug\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness for damage before 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 strict quality standards, ensuring durability and reliable performance. While specific warranty details for part number 350-34308 should be confirmed at the point of purchase, Walker typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538167726261,"sku":"DKHD-350-34308","price":57.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034308_Fro.jpg?v=1774892044","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34308-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}