OMC 907797 Carburetor Heat Exchanger Choke Heater Tube 2.5L 120hp Stringer Carb New Parts There is the early type

There is the early type of swivel shaft that has a splined upper half and square bottom half that is different than this one

Gasket is used and may need to be replaced

Vertical Shaft: 27940

115hp 130hp 150hp 175hp 200hp 225hp

OMC 907797 Carburetor Heat Exchanger Choke Heater Tube 2.5L 120hp Stringer Carb New Parts There is the early typeItem Details GM 120hp 2. 5L 4cyl OMC Stringer applications, from 1973 to 1982 OMC Part number 907797 0907797 Carburetor Heat Exchanger tube pipe that attaches to the exhaust manifold Please ensure yours looks just like this. Freshwater Used Sterndrive Part. Purchase with confidence! 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982