{"product_id":"385720500-water-temperature-sensor-for-perkins-403d-404d-403c-404c-fg-wilson","title":"385720500 Water Temperature Sensor for Perkins 403D 404D 403C 404C FG Wilson","description":"\u003cstrong\u003eThis Water Temperature Sensor 385720500 is a direct replacement sensor compatible with Perkins 403D, 404D, 403C, 404C, and FG Wilson engines, matching OEM Part# 385720500.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis water temperature sensor monitors engine coolant temperature to ensure optimal performance and prevent overheating in Perkins and FG Wilson industrial diesel engines. Designed as a direct OE replacement, it provides accurate readings for engine control units and dashboard gauges. Reliable temperature sensing is critical for maintaining efficiency in generator sets, agricultural equipment, and construction machinery.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM part number 385720500 with identical thread and electrical specifications\u003c\/li\u003e\n\u003cli\u003ePrecision thermistor element delivers rapid and accurate coolant temperature response\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant brass or stainless steel housing for long service life in harsh environments\u003c\/li\u003e\n\u003cli\u003eCompact threaded design for easy installation into standard engine water jacket ports\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 2-pin or spade connector configurations (verify original wiring)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePerkins 403D-11G, 403D-15G, 403D-15T\u003c\/li\u003e\n\u003cli\u003ePerkins 404D-22G, 404D-22TA\u003c\/li\u003e\n\u003cli\u003ePerkins 403C-15, 403C-15G\u003c\/li\u003e\n\u003cli\u003ePerkins 404C-22, 404C-22G\u003c\/li\u003e\n\u003cli\u003eFG Wilson generator sets using Perkins 400 series engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMonitoring coolant temperature in Perkins-powered generator sets\u003c\/li\u003e\n\u003cli\u003eTemperature sensing for industrial pumps and compressors\u003c\/li\u003e\n\u003cli\u003eReplacement in agricultural tractors and loaders with Perkins 400 series engines\u003c\/li\u003e\n\u003cli\u003eMaintenance repair for construction equipment like skid steers and backhoes\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 385720500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Negative Temperature Coefficient (NTC) thermistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1\/8\" NPT or M14 x 1.5 (verify original)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e -40°C to +135°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e 2-pin female spade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this sensor fit my Perkins 404D-22 generator?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this 385720500 sensor is a direct fit for Perkins 404D-22G and 404D-22TA engines and most FG Wilson generators using that engine family.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the resistance reading at operating temperature?\u003cstrong\u003e A:\u003c\/strong\u003e Typical resistance at 100°C is approximately 150-200 ohms; verify with your engine manual for exact calibration.\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":53678091632913,"sku":"ZZ2Z00296","price":29.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_58108216-7e74-43f1-a3df-9928a9bd2a41.jpg?v=1781614774","url":"https:\/\/www.duraforce.com\/products\/385720500-water-temperature-sensor-for-perkins-403d-404d-403c-404c-fg-wilson","provider":"DURAFORCE","version":"1.0","type":"link"}