{"product_id":"ntk-25166-oxygen-sensor","title":"NTK 25166 Oxygen Sensor - Downstream Right","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 25166\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 25166 is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Santa Fe, 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 sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Hyundai and Kia vehicles\u003c\/li\u003e\n\u003cli\u003e24.75-inch wiring harness length for easy installation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration for reliable signal transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 25166 features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with Hyundai Magentis, Kia Optima, Santa Fe, and Hyundai Sonata models, eliminating the need for modifications. The sensor includes a 24.75-inch wiring harness, providing sufficient length for straightforward installation without stretching or splicing wires. The threaded mounting type with an 18mm diameter allows secure attachment to the exhaust system, while the four-wire design supports both the sensor signal and heater circuit for consistent performance.\u003c\/p\u003e\u003ch2\u003eAbout the NTK Direct Fit Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Direct Fit Oxygen Sensor line by NTK is engineered to provide precise replacement parts that match original equipment specifications. This product line focuses on delivering sensors that fit specific vehicle makes and models, ensuring proper function and ease of installation. The 25166 part number is part of this line, offering a direct replacement solution for emission control systems in Hyundai and Kia vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for engine control units\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing correct sensor data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining proper combustion\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the NTK 25166 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 24.75-inch harness length allows for flexible routing, but avoid sharp bends or contact with hot exhaust components. Thread the sensor carefully into the exhaust port with the 18mm diameter fitting, tightening to manufacturer torque specifications. Verify electrical connections are secure before completing installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor 25166 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43964819013813,"sku":"BFPZ-25166","price":91.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25166_Fro.jpg?v=1775006818","url":"https:\/\/www.partcatalog.com\/products\/ntk-25166-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}