{"product_id":"walker-350-34274-oxygen-sensor","title":"Walker 350-34274 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34274 for Infiniti Q45\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket oxygen sensor 350-34274 is designed specifically for the Infiniti Q45. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Infiniti Q45 models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 21.97 inches and overall length of 25.51 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 350-34274) is engineered to meet the exact specifications required by the Infiniti Q45. The sensor’s heated design allows it to reach optimal operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire setup includes two wires for the heater circuit and two for the sensor signal, providing accurate oxygen level readings to the vehicle’s engine control unit (ECU). The radiused polygon female connector ensures a secure and corrosion-resistant connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.\u003c\/p\u003e\u003cp\u003eWalker Products Aftermarket offers a comprehensive line of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable, vehicle-specific sensors that support proper engine management and emissions compliance. The 350-34274 oxygen sensor is part of this line, providing a direct replacement solution for Infiniti Q45 owners seeking quality and compatibility.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel mixture readings for optimal engine performance\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring proper combustion control\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining correct sensor feedback\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine hesitation caused by faulty sensors\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 removing the old sensor to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the threaded mounting\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness before installation\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads if recommended by manufacturer\u003c\/li\u003e\n\u003cli\u003eClear any diagnostic trouble codes after installation to reset the ECU\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability under normal operating conditions. The 350-34274 sensor is manufactured to provide consistent performance and fitment for the Infiniti Q45. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538135482549,"sku":"DKHD-350-34274","price":64.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034274_Fro.jpg?v=1774892035","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34274-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}