{"product_id":"walker-350-34298-oxygen-sensor","title":"Walker 350-34298 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 350-34298 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34298 oxygen sensor is designed specifically for select Hyundai and Mitsubishi models, including the Elantra, Excel, Precis, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire design for reliable operation\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Hyundai Elantra, Sonata and Mitsubishi Excel, Precis models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003e10.35-inch wiring harness length with radiused polygon female connector\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for durability and consistent signal transmission\u003c\/li\u003e\n\u003cli\u003eOverall length of 13.9 inches for proper fitment in exhaust system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 350-34298) features a heated sensor element that allows for faster warm-up times and improved emissions control under various operating conditions. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring accurate and stable readings. The sensor’s 18.0 mm threaded mounting and radiused polygon female connector provide a secure and precise fit, reducing the risk of exhaust leaks or electrical connection issues. With a wiring harness length of 10.35 inches and an overall length of 13.9 inches, this sensor is engineered to fit the exhaust systems of Hyundai Elantra, Sonata, and Mitsubishi Excel and Precis models without modification.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket is known for delivering reliable emission control components that meet or exceed OEM specifications. This product line focuses on providing direct-fit sensors that simplify installation and maintain vehicle emissions compliance.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel ratio monitoring for Hyundai Elantra and Sonata, Mitsubishi Excel and Precis\u003c\/li\u003e\n\u003cli\u003eResolves engine performance problems related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eHelps correct rough idling and poor fuel economy caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring accurate sensor feedback to the engine control unit\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\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\u003eVerify connector type matches the vehicle harness before installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten the sensor; torque to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness for damage and secure connections to prevent signal loss\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 strict quality standards and undergo rigorous testing to ensure durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538162942133,"sku":"DKHD-350-34298","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034298_Fro_f8b1484a-536f-4b01-b014-601a09083ee5.jpg?v=1774892041","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34298-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}