{"product_id":"3490721-water-temperature-sensor-for-perkins-403d15t-404d15-404d22t-403c11","title":"3490721 Water Temperature Sensor for Perkins 403D15T 404D15 404D22T 403C11","description":"\u003cstrong\u003eThis Water Temperature Sensor is a direct replacement coolant temperature sensor compatible with Perkins 403D-15T, 404D-15, 404D-22T, and 403C-11 engines and matches OEM Part# 349-0721.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis water temperature sensor monitors engine coolant temperature and sends data to the ECU or gauge for Perkins diesel engines. It is designed for models like the 403D-15T and 404D-22T, helping prevent overheating and ensuring optimal engine performance. A reliable replacement for worn or faulty sensors.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for Perkins part number 349-0721\u003c\/li\u003e\n\u003cli\u003eThreaded design for easy installation into the coolant passage\u003c\/li\u003e\n\u003cli\u003eSealed against moisture and vibration for long service life\u003c\/li\u003e\n\u003cli\u003eProvides accurate temperature readings to protect engine from thermal stress\u003c\/li\u003e\n\u003cli\u003eMeets Perkins OEM specifications for fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePerkins 403D-15T\u003c\/li\u003e\n\u003cli\u003ePerkins 404D-15\u003c\/li\u003e\n\u003cli\u003ePerkins 404D-22T\u003c\/li\u003e\n\u003cli\u003ePerkins 403C-11\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing failed temperature sensors in industrial and agricultural engines\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant temperature monitoring for generator sets\u003c\/li\u003e\n\u003cli\u003eMaintaining engine health in Perkins-powered forklifts and compact equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 349-0721\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Coolant temperature (NTC thermistor)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Connector:\u003c\/strong\u003e 2-pin blade type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this sensor work on a Perkins 404D-22 without the turbo?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is compatible with 404D-15 and 404D-22T models; the non-turbo 404D may also use this sensor, but confirm thread size is 1\/8-27 NPT.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to drain the coolant before replacing the sensor?\u003cstrong\u003e A:\u003c\/strong\u003e It is recommended to drain coolant below the sensor level to minimize loss, though some coolant may leak during removal—have a catch pan ready.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53678060863761,"sku":"ZZ2Z00553","price":43.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/1_d8bf741a-4390-4bde-805a-ef9bcdfda48d.jpg?v=1781614227","url":"https:\/\/www.duraforce.com\/products\/3490721-water-temperature-sensor-for-perkins-403d15t-404d15-404d22t-403c11","provider":"DURAFORCE","version":"1.0","type":"link"}