MerCruiser 1336-3594A1 Carburetor Carb 120hp 2.5L 4cyl GM Early Threaded 1964-72 Mercruiser Propeller but OMC used bolts rather

but OMC used bolts rather than studs at the end of the crankshaft to hold the couplers on)

Set of Two As Pictured

if you are performing this kind of replacement

The Part number for Aluminum Exhaust manifold is 93173-C / 816219C (Stamped) / 816219A1 / 816219A5 ---- Found on all "470" models 1985-1989

Exhaust Elbow Riser Assembly 76325A2

MerCruiser 1336-3594A1 Carburetor Carb 120hp 2.5L 4cyl GM Early Threaded 1964-72 Mercruiser Propeller but OMC used bolts ratherItem Details MerCruiser Part Number 1351 3594A1 for applications (Serial number 2520425 3377340) Which is roughly 1968 1972 models for sure, but could be used on the 1964 1968 models as it replaces 1336 2076 Freshwater Used Part GM Rochester (Probably Bay City) 2 Barrel 2GC carburetor assembly with small threaded air horn carb cover Visually it looks in good shape, however this may need to be cleaned or re built. I would just try it first and if it