Abstract: An engine cooling system for a water-cooled, internal combustion engine includes a radiator support frame which is configured so as to receive the radiator and a series of four vibration dampening modules disposed between the support frame and the radiator. Additionally, the support frame is attached directly to the engine block by a top bracket and two side support struts. The fan cowling is attached to the support frame such that the engine-driven fan and the fan cowling are both fixed in position relative to each other and to the engine to allow for minimal clearance between the impeller tips and the fan cowling. One vibration dampening module is disposed on each side of the radiator between the radiator and the support frame and two vibration dampening modules are disposed along the lower edge at spaced apart locations.