{"product_id":"walker-350-34501-oxygen-sensor","title":"Walker 350-34501 Oxygen Sensor","description":"\u003ch2\u003eWalker 350-34501 Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eWalker 350-34501 is a heated oxygen sensor built as a specific-fit OE replacement for select Lexus, Toyota, and Scion applications. It is engineered to provide the ECU with the exhaust feedback needed for proper fuel control and emissions monitoring.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket focuses on application-specific engine management sensors, and this part number is matched to the required mounting position and connector style for the listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for downstream exhaust monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for the listed Lexus, Toyota, and Scion applications\u003c\/li\u003e\n\u003cli\u003e4-wire design with 20-gauge wiring\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for vehicle-specific connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eWiring harness length: 11.73 in.; overall length: 15.28 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker Products 350-34501 is designed for downstream oxygen sensor locations where the ECU relies on accurate exhaust-gas feedback to manage air-fuel strategy and emissions diagnostics. This sensor is a direct-fit replacement for applications including Lexus GS450h, LS460, RX350, RX400h, RX330, RX450h, HS250h, Toyota Camry, Highlander, Sienna, Solara, Venza, Corolla iM, Scion iM, xB, and tC. It is also listed for specific downstream left, downstream front, and downstream rear positions depending on the vehicle.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket builds engine management and oxygen\/air-fuel sensors as OE-style replacements for worldwide vehicle coverage. Part number 350-34501 is manufactured for the specified application and position so the ECU receives the correct diagnostic feedback. This part cross-references Walker Products Aftermarket 350-34501 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light related to downstream oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy caused by inaccurate exhaust feedback\u003c\/li\u003e\n\u003cli\u003eElevated exhaust emissions from a failing heated O2 sensor\u003c\/li\u003e\n\u003cli\u003eRough engine operation tied to incorrect air-fuel correction\u003c\/li\u003e\n\u003cli\u003eStored ECU fault codes for the affected sensor circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConfirm the exact position before ordering: downstream left, downstream front, downstream rear, or downstream.\u003c\/li\u003e\n\u003cli\u003eVerify connector shape, wire count, and thread diameter against the original sensor.\u003c\/li\u003e\n\u003cli\u003eInspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion before installation.\u003c\/li\u003e\n\u003cli\u003eUse the vehicle’s emissions configuration and build date when checking fitment on 2014-2015 Lexus and Toyota applications.\u003c\/li\u003e\n\u003cli\u003eFor 2003 Toyota Camry and related listings, confirm the emissions package and California\/non-California notes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products is an Automotive ISO9001\/TS 16949 certified company with long-standing experience in engine management and fuel system components. The 350-34501 oxygen sensor is built for application-specific fitment and diagnostic performance on the listed vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":51870213144757,"sku":"DKHD-350-34501","price":60.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034501_Fro.jpg?v=1774892100","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34501-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}