{"product_id":"walker-350-341037-oxygen-sensor","title":"Walker 350-341037 Oxygen Sensor - Downstream or Downstream Front","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-341037\u003c\/h2\u003e\u003cp\u003eThe Walker 350-341037 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Corolla, Highlander, Prius variants, RX series, and Sienna. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus and Toyota models such as Corolla, Highlander, Prius, RX350, and Sienna\u003c\/li\u003e\n\u003cli\u003e14.29-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003e18mm thread diameter for secure mounting\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 22 for reliable electrical conductivity\u003c\/li\u003e\n\u003cli\u003eMale connector for direct compatibility\u003c\/li\u003e\n\u003cli\u003eOverall length of 17.83 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-341037) is engineered to meet the exact specifications of your vehicle’s emission control system. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring consistent performance. With a wiring harness length of 14.29 inches and an overall length of 17.83 inches, this sensor offers sufficient reach and fitment flexibility for installation in the exhaust system of compatible Lexus and Toyota vehicles.\u003c\/p\u003e\u003cp\u003eThe 18mm thread diameter allows for a secure and proper fit, while the 22-gauge wire ensures durability and reliable signal transmission. The male connector design matches factory specifications, simplifying replacement without the need for modifications.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on providing emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution for specific Lexus and Toyota models. The product line emphasizes precise fitment and reliable sensor performance to maintain vehicle emissions compliance and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for improved fuel economy\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 ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003ePrevents failed emissions tests due to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify compatibility with your Lexus or Toyota model, including Corolla, Highlander, Prius (all variants), RX350, RX450h, and Sienna. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 18mm thread diameter requires a compatible oxygen sensor socket for removal and installation. Ensure the male connector is securely connected to the vehicle’s wiring harness to maintain proper sensor function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable operation. The 350-341037 sensor is manufactured to precise specifications for durability and performance. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538012635317,"sku":"DKHD-350-341037","price":49.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_350341037_Fro.jpg?v=1774891977","url":"https:\/\/www.partcatalog.com\/products\/walker-350-341037-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}