{"product_id":"walker-350-34253-oxygen-sensor","title":"Walker 350-34253 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eOverview of Walker 350-34253 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34253 oxygen sensor is designed specifically for select Lexus and Toyota models, including the 4Runner, Land Cruiser, LX450, Previa, T100, and Tacoma. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.\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\u003e19.41-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with 20 gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003e18.0 mm thread diameter with flange mount for stable placement\u003c\/li\u003e\n\u003cli\u003eOverall length of 22.95 inches to accommodate vehicle design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by your Lexus or Toyota vehicle. The heated sensor element allows the sensor to reach operating temperature quickly, improving emissions control during cold starts. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring accurate and consistent readings. The radiused polygon male connector and flange mount provide a secure and precise fit, reducing the risk of leaks or sensor failure. With a wiring harness length of 19.41 inches and an overall length of 22.95 inches, this sensor is designed to fit seamlessly into the exhaust system of compatible models such as the Toyota Tacoma and Lexus LX450.\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 standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications. By adhering to strict manufacturing and quality control processes, Walker ensures that each sensor provides consistent performance and durability for emission systems in Lexus and Toyota vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel ratio monitoring for improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by providing accurate sensor data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues caused by faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine operation and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34253 oxygen sensor, ensure the vehicle is cool to avoid burns. Use anti-seize compound on the sensor threads if not pre-applied to facilitate future removal. Verify the connector matches the radiused polygon male design for a secure fit. Follow torque specifications for the 18.0 mm flange mount to prevent damage. Proper routing of the 19.41-inch wiring harness is essential to avoid contact with hot exhaust components.\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 vehicle-specific requirements. This part number 350-34253 is manufactured to provide consistent sensor performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure customer confidence in their emission control components.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538101403829,"sku":"DKHD-350-34253","price":54.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034253_Fro.jpg?v=1774892028","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34253-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}