USGI M998 Humvee Lower Radiator To Surge Tank Hose 12339163 4720-01-196-1636

Description:

The USGI 12339163 Radiator Hose is used in the cooling system of M998 Humvees to transfer coolant between the lower radiator tube and the surge tank for proper engine temperature regulation. Commonly installed on HMMWV platforms equipped with 6.2L and early 6.5L diesel engines, this hose supports reliable coolant circulation and helps maintain efficient engine cooling performance. Maintenance personnel, military fleet operators, and restoration specialists use this component for replacement and refurbishment of aging or deteriorated cooling system assemblies.

Applications:

The USGI 12339163 Radiator Hose is used in M998 Humvee cooling systems to route coolant between the surge tank and lower radiator tube. It is commonly applied in military vehicle maintenance programs and restoration projects involving HMMWV platforms with round surge tank configurations.

Technical Specifications:

• Brand: USGI
• Part Number: 12339163
• Product Type: Radiator Hose
• NSN: 4720-01-196-1636
• Alternate Part Number: 5591456
• Compatible Vehicle: M998 Humvee (HMMWV)
• Compatible Engines: GM 6.2L Diesel, GM 6.5L Diesel (early configurations)
• Application: Engine cooling system
• Function: Transfers coolant between the surge tank and lower radiator tube
• Installation Location: Lower radiator to surge tank connection
• Compatible Surge Tank Type: Round surge tank (3-speed configuration)
• System Type: Engine coolant circulation system
• Material: Molded rubber hose construction
• Federal Supply Class (FSC): 4720 – Hose and Flexible Tubing
• Intended Use: Replacement and maintenance service

Common Replacements:

• USGI 12339163 Radiator Hose
• USGI 5591456 Radiator Hose
• USGI 4720-01-196-1636 Radiator Hose