{"product_id":"walker-350-31031-oxygen-sensor","title":"Walker 350-31031 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 350-31031 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-31031 oxygen sensor is designed for specific vehicle applications including Chevrolet and Toyota models such as the 4Runner, Corolla, and Supra. This non-heated sensor features a flange mount design and a radiused polygon female connector, ensuring precise fit and reliable emission control performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWiring harness length: 17.44 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement: 20 gauge\u003c\/li\u003e\n\u003cli\u003eSensor type: Non heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003eSpecific fit for select Chevrolet and Toyota models\u003c\/li\u003e\n\u003cli\u003eConnector shape: Radiused polygon with female gender\u003c\/li\u003e\n\u003cli\u003eThread diameter: 18.0 mm\u003c\/li\u003e\n\u003cli\u003eOverall length: 20.98 inches\u003c\/li\u003e\n\u003cli\u003eMounting type: Flange mount\u003c\/li\u003e\n\u003cli\u003eSingle wire configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-31031) is engineered to meet the emission control requirements of various Chevrolet and Toyota vehicles, including the Land Cruiser, MR2, and Pickup. The sensor’s non-heated design is suitable for applications where a heated sensor is not required, providing accurate oxygen level readings to the engine control unit. The 17.44-inch wiring harness and 20 gauge wire ensure proper electrical connectivity, while the radiused polygon female connector offers secure and precise attachment. The flange mount and 18.0 mm thread diameter facilitate straightforward installation and stable sensor positioning.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain optimal air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate oxygen level data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty oxygen 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 proper sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your Chevrolet or Toyota model before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the 18.0 mm threaded sensor\u003c\/li\u003e\n\u003cli\u003eEnsure the flange mount is securely fastened to prevent exhaust leaks\u003c\/li\u003e\n\u003cli\u003eHandle the radiused polygon female connector carefully to maintain wiring integrity\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket parts are manufactured to meet industry standards for emission control sensors. The 350-31031 oxygen sensor undergoes rigorous quality checks to ensure durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against manufacturing defects to support long-term use in compatible Chevrolet and Toyota vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43537905287349,"sku":"DKHD-350-31031","price":34.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35031031_Fro.jpg?v=1774891902","url":"https:\/\/www.partcatalog.com\/products\/walker-350-31031-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}