1 M939, M998 RADIATOR PREFORMED HOSE 12255963 NOS PART NUMBER - 12255963 NSN - 4720-01-108-9118 ITEM IN PICTURE IS MARKED # 9 NOS M939 and M998 Radiator Preformed Hose, Part Number 12255963, NSN 4720-01-108-9118. This OEM military radiator hose is designed for use on M939 Series military trucks and M998 Humvee vehicles. The preformed hose is engineered to provide proper coolant flow between cooling system components while maintaining the correct routing and fit required by military vehicle specifications. This item is New Old Stock (NOS) military surplus and has never been installed. Manufactured to military specifications, this radiator hose is built to withstand the temperature, pressure, and operating demands of military vehicle cooling systems. It is ideal for fleet maintenance, military vehicle repairs, restoration projects, and replacement of aged, cracked, leaking, or deteriorated coolant hoses. Part Number 12255963 and NSN 4720-01-108-9118 are commonly searched by military maintenance facilities, government agencies, military vehicle collectors, and restoration specialists seeking genuine OEM replacement parts for M939 and M998 vehicle platforms. Using authentic military cooling system components helps ensure proper fit, coolant circulation, engine temperature control, and long-term reliability. Equipment Parts Sales has been supplying military surplus and OEM military vehicle parts for over 25 years. We stock thousands of NOS military vehicle components, including M939, M998 Humvee, MRAP, MaxxPro, M-ATV, FMTV, M151, HEMTT, and 5-Ton truck parts ready for shipment. Our inventory includes radiator hoses, cooling system components, engine parts, drivetrain assemblies, suspension systems, and hard-to-find military vehicle replacement parts. Keywords: 12255963, 4720-01-108-9118, M939 radiator hose, M998 radiator hose, Humvee radiator hose, preformed radiator hose, military vehicle cooling system hose, OEM military coolant hose, military truck radiator hose, military surplus vehicle parts, NOS military surplus parts, Humvee restoration parts, military vehicle maintenance parts.