{"product_id":"walker-350-64019-oxygen-sensor","title":"Walker 350-64019 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 350-64019 Oxygen Sensor for Mazda 3\u003c\/h2\u003e\u003cp\u003eThe Walker 350-64019 oxygen sensor is designed specifically for Mazda 3 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for Mazda 3 vehicles\u003c\/li\u003e\n\u003cli\u003e15.67-inch wiring harness length for convenient installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire measurement with 4 wires for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eOverall length of 19.21 inches for proper placement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products Aftermarket Line Details\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. This oxygen sensor from the Walker Products Aftermarket range is engineered to deliver consistent performance and durability, ensuring compatibility and reliable operation within Mazda 3 emission systems.\u003c\/p\u003e\u003ch2\u003eProduct Description and Technical Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 350-64019 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire design includes a dedicated heater circuit and signal wires, enhancing sensor accuracy and longevity. The 15.67-inch wiring harness length offers flexibility during installation, while the radiused polygon female connector ensures a secure and corrosion-resistant connection. The sensor mounts via an 18.0 mm threaded fitting, compatible with the Mazda 3 exhaust system, and the overall length of 19.21 inches accommodates proper sensor positioning for accurate readings.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level readings for engine control modules\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces emissions by maintaining proper air-fuel mixture\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine performance and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Mazda 3 models before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery prior to sensor replacement to avoid electrical issues\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for threaded sensor removal and installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten the sensor to prevent damage to threads\u003c\/li\u003e\n\u003cli\u003eVerify connector engagement with the radiused polygon female plug for secure fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-64019 part number is backed by Walker Products Aftermarket's quality assurance processes. Please refer to Walker's official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43541182415029,"sku":"DKHD-350-64019","price":125.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35064019_Fro.jpg?v=1774892210","url":"https:\/\/www.partcatalog.com\/products\/walker-350-64019-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}