{"product_id":"walker-350-34212-oxygen-sensor","title":"Walker 350-34212 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker 350-34212 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34212 oxygen sensor is designed specifically for select Mazda and Subaru models, including the Mazda 626 and Subaru Impreza, Legacy, and Outback. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mazda 626 and Subaru Impreza, Legacy, Outback\u003c\/li\u003e\n\u003cli\u003e15.08-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design with 20 gauge wire for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 18.62 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 350-34212) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The four-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring consistent performance. The 15.08-inch wiring harness length and radiused polygon female connector allow for straightforward installation without modifications. Its threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free fit in the exhaust manifold or pipe.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket offers this sensor as part of their emission control sensor line, focusing on delivering reliable, vehicle-specific components that maintain factory-level emissions compliance. This product line emphasizes precise fitment and durability, supporting proper engine management and reduced emissions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMazda 626 models requiring a specific heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003eSubaru Impreza oxygen sensor replacement\u003c\/li\u003e\n\u003cli\u003eSubaru Legacy emission control sensor upgrade\u003c\/li\u003e\n\u003cli\u003eSubaru Outback oxygen sensor for emission regulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eIncreased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or rough idling caused by sensor malfunction\u003c\/li\u003e\n\u003cli\u003eReduced engine performance linked to inaccurate oxygen sensing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate oxygen sensor socket for threaded removal and installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten; torque to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eCheck connector compatibility with the radiused polygon female plug\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness for damage before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM standards for fit, form, and function. The 350-34212 sensor undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. While specific warranty details may vary, Walker typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538068766901,"sku":"DKHD-350-34212","price":47.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034212_Fro.jpg?v=1774892017","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34212-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}