{"product_id":"walker-350-34391-oxygen-sensor","title":"Walker 350-34391 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34391 for Mazda CX-7\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34391 oxygen sensor is designed specifically for the Mazda CX-7, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mazda CX-7 models\u003c\/li\u003e\n\u003cli\u003e26.1-inch wiring harness length with 4 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for reliable connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 29.65 inches for proper placement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34391 oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. This sensor is a heated type, which helps it reach operating temperature faster, improving fuel efficiency and reducing emissions. The 4-wire design with 20 gauge wiring ensures stable signal transmission and durability. Its 26.1-inch wiring harness length and 29.65-inch overall length allow for proper routing and fitment within the Mazda CX-7 engine bay. The sensor mounts via an 18.0 mm threaded connection, compatible with the vehicle’s exhaust system, and features a radiused polygon male connector to ensure a secure and precise electrical connection.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain optimal air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate oxygen level data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to faulty sensors\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports proper operation of the vehicle’s emission control system\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 tools for the 18.0 mm threaded sensor to prevent damage\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle’s wiring harness (radiused polygon male)\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness length (26.1 inches) for proper routing without tension\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications when installing the sensor\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 specifications for fit, form, and function. The 350-34391 sensor undergoes rigorous testing to ensure durability and reliable performance in emission control applications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Mazda CX-7 vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538251579573,"sku":"DKHD-350-34391","price":72.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034391_Fro.jpg?v=1774892068","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34391-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}