{"product_id":"thermostat-6-5l-replace-for-humvee-5743238-6685-01-444-9478","title":"Thermostat 6.5L Replace for HUMVEE 5743238 6685-01-444-9478","description":"\u003cstrong\u003eThis Thermostat (6.5L) is a replacement thermostat for HUMVEE vehicles and matches OEM Part# 5743238 and NSN 6685-01-444-9478.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis Thermostat (6.5L) is a direct replacement for HUMVEE cooling systems, regulating engine temperature by controlling coolant flow. Designed to meet OEM specifications, it ensures reliable engine temperature management for the 6.5-liter diesel engine. This thermostat is essential for maintaining optimal operating temperature in HUMVEE vehicles.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM replacement part number 5743238 with NSN 6685-01-444-9478\u003c\/li\u003e\n\u003cli\u003eConstructed to exact OEM specifications for proper sealing and temperature regulation\u003c\/li\u003e\n\u003cli\u003eEnsures consistent engine temperature, preventing overheating or excessive cool running\u003c\/li\u003e\n\u003cli\u003eDirect fit for HUMVEE 6.5L engine cooling system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eCompatible with HUMVEE vehicles equipped with the 6.5L diesel engine\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUsed in military and civilian HUMVEE models for engine cooling system service\u003c\/li\u003e\n\u003cli\u003eReplaces worn or stuck thermostats to restore proper warm-up and cooling\u003c\/li\u003e\n\u003cli\u003eCommon in fleet maintenance and vehicle repair shops\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 5743238 \/ 6685-01-444-9478\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating:\u003c\/strong\u003e OEM specification – typically 195°F (verify for your application)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this thermostat fit a civilian H1 HUMVEE with a 6.5L engine?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this thermostat is designed for HUMVEE 6.5L engines, including both military and civilian models; verify your existing part number for confirmation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the recommended replacement interval for this thermostat?\u003cstrong\u003e A:\u003c\/strong\u003e It is generally recommended to replace the thermostat whenever the cooling system is serviced or if the engine runs hotter or cooler than normal.\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":53678109229329,"sku":"ZZ2Z00515","price":41.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_ecf09a33-bf06-4b6c-b997-316bb178f184.jpg?v=1781615309","url":"https:\/\/www.duraforce.com\/products\/thermostat-6-5l-replace-for-humvee-5743238-6685-01-444-9478","provider":"DURAFORCE","version":"1.0","type":"link"}