{"product_id":"ntk-25155-oxygen-sensor","title":"NTK 25155 Oxygen Sensor - Downstream Left, Downstream Right or Upstream","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 25155\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 25155 is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Santa Fe, Sonata, and XG300. 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 activation and improved efficiency\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Hyundai and Kia vehicles for direct replacement\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration for reliable electrical connections\u003c\/li\u003e\n\u003cli\u003e17.75-inch wiring harness length to accommodate factory routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on the Direct Fit Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor line is engineered to provide exact fitment and function for specific vehicle applications. This product line focuses on delivering sensors that match OEM specifications, reducing installation time and ensuring compatibility. The 25155 part number is part of this line, offering a direct replacement solution for Hyundai and Kia models without the need for modifications.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Features\u003c\/h2\u003e\u003cp\u003eThe NTK 25155 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control during cold starts. Its four-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The 18mm threaded mounting type provides a secure and leak-free fit in the exhaust system. With a wiring harness length of 17.75 inches, this sensor is designed to match the factory harness routing, simplifying installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for Hyundai Magentis and Kia Optima engines\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency and reduces emissions in Hyundai Sonata and Kia Santa Fe\u003c\/li\u003e\n\u003cli\u003eAddresses rough idling and poor engine performance caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eEnsures compliance with emission standards for Kia XG300 vehicles\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 an oxygen sensor socket or appropriate tool for removal and installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten; torque to manufacturer specifications for the 18mm threaded sensor\u003c\/li\u003e\n\u003cli\u003eCheck wiring harness length (17.75 inches) to confirm proper routing and connection\u003c\/li\u003e\n\u003cli\u003eVerify sensor compatibility with specific Hyundai and Kia models before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors, including the Direct Fit Oxygen Sensor 25155, are manufactured to meet OEM standards for durability and performance. While specific warranty details may vary, NTK products typically come with a limited warranty covering defects in materials and workmanship. This ensures reliable operation and peace of mind when replacing oxygen sensors on Hyundai and Kia vehicles.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43964817014965,"sku":"BFPZ-25155","price":59.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25155_Fro.jpg?v=1775006816","url":"https:\/\/www.partcatalog.com\/products\/ntk-25155-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}