{"product_id":"ntk-25673-air-fuel-ratio-sensor","title":"NTK 25673 Air \/ Fuel Ratio Sensor - Upstream","description":"\u003ch2\u003eOverview of NTK Direct Fit 4-Wire A\/F Sensor for Mazda RX-8\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit 4-Wire A\/F Sensor 25673 is designed specifically for the Mazda RX-8 to provide accurate air\/fuel ratio readings. This heated sensor ensures optimal engine performance and emission control by delivering precise 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 fitment for Mazda RX-8 models\u003c\/li\u003e\n\u003cli\u003e4-wire configuration for reliable signal transmission\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 21.8 inches for easy installation\u003c\/li\u003e\n\u003cli\u003eNo mounting bracket included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on 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 precise air\/fuel ratio measurements with a direct replacement design. This product line focuses on exact fitment and compatibility, reducing installation time and ensuring consistent sensor performance. The 4-wire heated sensor design helps maintain accurate readings under various operating conditions, which is critical for emission control and engine efficiency.\u003c\/p\u003e\u003ch2\u003eTechnical Description of Part Number 25673\u003c\/h2\u003e\u003cp\u003eThis air\/fuel ratio sensor features a 4-wire heated sensor type that allows for quicker warm-up and stable operation. The sensor’s thread diameter measures 18.0 mm with a thread length of 0.38 inches, matching the OEM specifications for the Mazda RX-8. The wiring harness length of 21.8 inches provides sufficient reach for direct fit installation without modifications. This sensor is designed specifically for the Mazda RX-8, ensuring compatibility and reliable performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air\/fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces emissions by providing accurate sensor data to the ECU\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to incorrect air\/fuel ratios\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light triggers related to faulty A\/F sensors\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine idling and acceleration response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the NTK 25673 sensor on a Mazda RX-8, ensure the engine is cool before removal of the old sensor. The 4-wire connector should be securely attached to avoid signal interruptions. No mounting bracket is included, so use the existing OEM bracket for proper sensor positioning. Verify thread size and length to avoid cross-threading during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK sensors are manufactured to meet strict quality standards for durability and accuracy. The Direct Fit 4-Wire A\/F Sensor 25673 undergoes rigorous testing to ensure reliable operation under normal driving conditions. Warranty details are provided by NTK and typically cover defects in materials and workmanship for a specified period.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43964834644149,"sku":"BFPZ-25673","price":206.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25673_Fro.jpg?v=1775006837","url":"https:\/\/www.partcatalog.com\/products\/ntk-25673-air-fuel-ratio-sensor","provider":"PartCatalog","version":"1.0","type":"link"}