{"product_id":"walker-350-34134-oxygen-sensor","title":"Walker 350-34134 Oxygen Sensor","description":"\u003ch2\u003eWalker 350-34134 Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eWalker Products 350-34134 is a heated oxygen sensor built as a specific-fit OE-style replacement for select Chevrolet, Pontiac, and Oldsmobile applications. It is engineered to deliver the diagnostic feedback the ECU expects, helping maintain proper fuel control and emissions performance.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket focuses on engine management and oxygen\/air-fuel sensors for exact application fitment. This part number is matched to the mounting position and connector style required for the listed vehicles, including downstream and bank-specific applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for the listed vehicle applications\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with 20-gauge wiring\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for proper harness connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length: 42.44 in.; overall length: 45.98 in.\u003c\/li\u003e\n\u003cli\u003eFits downstream, downstream front, downstream left, and downstream right positions where listed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker 350-34134 is designed for vehicles that rely on accurate downstream oxygen sensor feedback to support ECU monitoring and emissions control. As an OE-replacement style sensor, it is built for the specified application and position, including 2004 Oldsmobile Alero, 1999-2004 Pontiac Grand Am, 1997-2003 Chevrolet Corvette, 2000-2003 Chevrolet Malibu, 1999-2003 Oldsmobile Alero, and other listed fitments. This part number, 350-34134, is also listed for select 1997-1999 Chevrolet Malibu and 1997-1999 Oldsmobile Cutlass applications.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket has supplied engine management components since 1946, and this oxygen sensor reflects that focus on application-specific fitment and ECU feedback. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Oxygen Sensor 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\u003eRough engine operation linked to sensor signal issues\u003c\/li\u003e\n\u003cli\u003eElevated exhaust emissions from a failing oxygen sensor\u003c\/li\u003e\n\u003cli\u003eFault codes stored in the ECU for affected sensor circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify the exact position before installation: downstream, downstream front, downstream left, or downstream right as listed.\u003c\/li\u003e\n\u003cli\u003eConfirm connector shape, wire count, and thread diameter match the original sensor.\u003c\/li\u003e\n\u003cli\u003eInspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion before replacement.\u003c\/li\u003e\n\u003cli\u003eCheck for stored ECU fault codes and address related exhaust or wiring concerns as needed.\u003c\/li\u003e\n\u003cli\u003eUse the vehicle-specific fitment notes for Pontiac Grand Am applications with or without EGR valve references.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products manufactures engine management sensors under Automotive ISO9001\/TS 16949 quality systems. The 350-34134 is built for specific vehicle applications and intended to provide the diagnostic response required by the ECU.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":51870211080373,"sku":"DKHD-350-34134","price":53.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034134_Fro.jpg?v=1774891992","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34134-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}