{"product_id":"walker-250-54126-oxygen-sensor-upstream","title":"Walker 250-54126 Oxygen Sensor - Upstream","description":"\u003ch2\u003eReliable Oxygen Sensor for Nissan Altima\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54126 oxygen sensor is designed specifically for Nissan Altima models, ensuring accurate emission control and optimal engine performance. This sensor helps maintain proper air-fuel mixture by monitoring exhaust gases.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Nissan Altima vehicles\u003c\/li\u003e\n\u003cli\u003eWalker Products OE brand line for OEM-quality parts\u003c\/li\u003e\n\u003cli\u003ePart number 250-54126 for precise identification\u003c\/li\u003e\n\u003cli\u003eEssential component in emission control systems\u003c\/li\u003e\n\u003cli\u003eDurable construction for consistent sensor readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Walker Products OE Brand Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on providing original equipment quality parts that meet or exceed factory specifications. This oxygen sensor from Walker Products OE is engineered to deliver reliable performance and fitment, making it a suitable replacement for Nissan Altima emission control systems.\u003c\/p\u003e\u003ch2\u003eProduct Details and Functionality\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54126 oxygen sensor plays a critical role in monitoring the oxygen levels in the exhaust gases of Nissan Altima vehicles. By providing real-time data to the engine control unit (ECU), it helps regulate the air-fuel ratio for efficient combustion and reduced emissions. This sensor is designed to withstand harsh operating conditions, ensuring long-term durability and accurate readings.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eImproves fuel efficiency by maintaining correct air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions to meet environmental standards\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance problems such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eHelps avoid check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports proper catalytic converter function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen replacing the oxygen sensor on a Nissan Altima, ensure the engine is cool before beginning installation. Use appropriate tools to avoid damaging the sensor or wiring harness. Verify the part number 250-54126 matches the original sensor to ensure compatibility. Proper torque specifications should be followed to prevent leaks or sensor damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet stringent quality standards for fit, form, and function. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain the emission control integrity of your Nissan Altima.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52119368728757,"sku":"DKHD-250-54126","price":118.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054126_Fro.jpg?v=1775162303","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54126-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}