Quote:
Originally Posted by FirstOwner69
The original GM number for the small block lower radiator hose with the engine in the correct location is 3918487. If you Google "3918487 hose" you'll find lots of places that sell reproductions. I got mine from Classic Industries. I have no idea if would fit your application though.
Incidentally, when new the trucks included a large flexible spring inside the lower hose. I still have mine. I assume that was just included to prevent kinking at the bends.
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The "spring" in the lower hose is not to prevent kinking, but rather to prevent the hose from collapsing due to the suction of the water pump.