{"product_id":"walker-350-64054-oxygen-sensor-upstream","title":"Walker 350-64054 Oxygen Sensor - Upstream","description":"\u003ch2\u003eWalker 350-64054 Oxygen Sensor for Acura RSX\u003c\/h2\u003e\u003cp\u003eWalker Products 350-64054 is a heated oxygen sensor built as a specific-fit OE replacement for select Acura RSX applications. It is engineered to deliver the diagnostic feedback the ECU expects, helping maintain proper air-fuel control and emissions system performance.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket focuses on engine management and oxygen\/air-fuel sensors for exact application fitment. The 350-64054 follows that approach with a threaded, 4-wire heated design for upstream placement on the Acura RSX.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit oxygen sensor for targeted vehicle applications\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for faster operating response\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with male connector\u003c\/li\u003e\n\u003cli\u003eRadiused polygon connector shape for application-specific fitment\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eWiring harness length: 15.28 in.\u003c\/li\u003e\n\u003cli\u003eOverall length: 18.82 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Walker Products 350-64054 oxygen sensor is built for upstream use on 2002-2004 Acura RSX models, including Bank 1 Sensor 1 applications. It is also listed for front oxygen sensor use on various vehicle models within the same fitment range. As an OE-style replacement, it is intended to provide the ECU with accurate exhaust feedback so the engine management system can adjust fuel delivery correctly.\u003c\/p\u003e\u003cp\u003eFor shoppers searching for a 2002-2004 Acura RSX upstream oxygen sensor, Walker 350-64054 offers the correct sensor type, connector style, and threaded mounting configuration for the listed applications. The part number 350-64054 is also useful when cross-checking service records or replacing a failed upstream sensor on the Acura RSX.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light related to upstream oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy caused by incorrect exhaust feedback\u003c\/li\u003e\n\u003cli\u003eRough engine operation from inaccurate air-fuel correction\u003c\/li\u003e\n\u003cli\u003eHigher exhaust emissions from a failing sensor\u003c\/li\u003e\n\u003cli\u003eStored ECU fault codes tied to the affected sensor circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore replacement, inspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion. Confirm the upstream mounting location and verify the 18.0 mm threaded fitment before installation. For 2002-2004 Acura RSX service work, compare the connector shape and wire count to the original sensor to ensure the correct application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products has supplied engine management and fuel system components since 1946 and operates with Automotive ISO9001\/TS 16949 certification. The 350-64054 is manufactured as a specific application replacement to support the diagnostic needs of the vehicle ECU.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":51870222024885,"sku":"DKHD-350-64054","price":201.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35064054_Fro.jpg?v=1774892220","url":"https:\/\/www.partcatalog.com\/products\/walker-350-64054-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}