{"product_id":"h1-humvee-m998-engine-temperature-transmitter-12339486-6620-01-194-6586","title":"H1 Humvee M998 Engine Temperature Transmitter 12339486 , 6620-01-194-6586","description":"\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe H1 Humvee M998 Engine Temperature Transmitter 12339486 is a coolant temperature sending unit used in military vehicle engine monitoring systems to transmit coolant temperature data to the dashboard gauge. Commonly installed in AM General HMMWV M998 series vehicles and Hummer H1 models equipped with 6.2L and 6.5L diesel engines where accurate engine temperature monitoring is required. Maintenance teams, military vehicle restorers, and fleet operators use this transmitter for cooling system repairs, replacement of failed temperature senders, preventive maintenance, and restoration of tactical vehicles. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe H1 Humvee M998 Engine Temperature Transmitter 12339486 is commonly used in AM General HMMWV M998, M1025, M1038, M1097, and Hummer H1 vehicles. The 12339486 configuration measures engine coolant temperature and sends an electrical signal to the dashboard temperature gauge, helping operators monitor engine performance and prevent overheating during military operations, off-road driving, and heavy-duty service.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Manufacturer: AM General\u003cbr\u003e• Model \/ Part Number: 12339486\u003cbr\u003e• Alternate Part Number: 5569626\u003cbr\u003e• NSN: 6620-01-194-6586\u003cbr\u003e• Product Type: Engine Temperature Transmitter \/ Temperature Sending Unit\u003cbr\u003e• Vehicle System Voltage: 24 VDC\u003cbr\u003e• Function: Measures engine coolant temperature and transmits signal to gauge\u003cbr\u003e• Sensing Medium: Engine Coolant\u003cbr\u003e• Thread Size: 3\/8 in NPT\u003cbr\u003e• Mounting: Threaded Engine \/ Coolant Passage Mount\u003cbr\u003e• Compatible Engines: Detroit Diesel \/ GM 6.2L and 6.5L Diesel\u003cbr\u003e• Compatible Equipment: HMMWV M998, M1025, M1038, M1097, Hummer H1, and related military vehicles\u003cbr\u003e• Operating Principle \/ Function: Variable resistance temperature sender for dashboard gauge indication\u003cbr\u003e• Application Environment: Military, tactical, and heavy-duty vehicle cooling systems\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• AM General 5569626 Engine Temperature Sender\u003cbr\u003e• TS6058 Temperature Sending Unit\u003cbr\u003e• TS6059 Temperature Sending Unit\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51728037151022,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_325681f0-c71d-47d2-b558-6bf703bb9a0a.jpg?v=1770584974","url":"https:\/\/plgautomation.com\/products\/h1-humvee-m998-engine-temperature-transmitter-12339486-6620-01-194-6586","provider":"PLG Automation ","version":"1.0","type":"link"}