{"product_id":"ntk-25690-air-fuel-ratio-sensor","title":"NTK 25690 Air \/ Fuel Ratio Sensor","description":"\u003ch2\u003eOverview of NTK Direct Fit 4-Wire A\/F Sensor 25690\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit 4-Wire Air\/Fuel Ratio Sensor 25690 is designed specifically for select INFINITI and Nissan vehicles, including the G37 and Murano models. This heated sensor provides accurate air\/fuel mixture readings to help maintain optimal engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eFour-wire design for precise signal transmission\u003c\/li\u003e\n\u003cli\u003eSpecific fit for INFINITI G37 and Nissan Murano\u003c\/li\u003e\n\u003cli\u003eThread diameter of 18.0 mm and thread length of 0.38 inches\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 14.8 inches for direct fit installation\u003c\/li\u003e\n\u003cli\u003eMounting bracket not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Direct Fit 4-Wire A\/F Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit 4-Wire A\/F Sensor line is engineered to provide exact replacement sensors that match OEM specifications for specific vehicle applications. This product line focuses on delivering sensors with a heated element and four-wire configuration to ensure reliable air\/fuel ratio monitoring and compatibility with factory wiring harnesses. The 25690 part number is part of this line, offering a direct fit solution for INFINITI and Nissan models requiring precise emission control components.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe NTK 25690 air\/fuel ratio sensor features a heated sensor element that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. Its four-wire design supports accurate voltage signal transmission to the engine control unit (ECU), enabling precise fuel mixture adjustments. The sensor’s thread diameter of 18.0 mm and thread length of 0.38 inches ensure a secure and proper fit in the exhaust system. With a wiring harness length of 14.8 inches, this sensor is designed for a direct fit installation without the need for modifications. This sensor is specifically engineered for the INFINITI G37 and Nissan Murano, ensuring compatibility and reliable performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air\/fuel ratio readings for proper engine management\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing correct data to the ECU\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to air\/fuel sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves overall engine performance and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the NTK 25690 sensor, ensure the vehicle is cooled down to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the thread. The 14.8-inch wiring harness length allows for a direct connection to the factory harness without splicing. Do not overtighten the sensor; follow manufacturer torque specifications. Since no mounting bracket is included, use the existing mounting points on the vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit 4-Wire A\/F Sensor 25690 undergoes rigorous testing to ensure reliable operation under various driving conditions. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":51926783131829,"sku":"BFPZ-25690","price":145.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25690_Fro.jpg?v=1775006839","url":"https:\/\/www.partcatalog.com\/products\/ntk-25690-air-fuel-ratio-sensor","provider":"PartCatalog","version":"1.0","type":"link"}