MerCruiser 42673 GM 140hp 3.0L Water Jacket Exhaust Manifold MerCarb 860235A04 Crankshaft May have been used on

May have been used on these other brand boats:

This part might have superseded to future or past years as well

This would have been used only on the extremely early MerCruiser I models

- Please ask or check parts diagram for compatibility

OMC 908485 / 0908485 Thermostat Housing (1976-1979) Replaces OMC 909255 / 0909255 Thermostat Housing (1974-1975)

MerCruiser 42673 GM 140hp 3.0L Water Jacket Exhaust Manifold MerCarb 860235A04 Crankshaft May have been used onItem Details Great Shape. Not cracked, not welded or patched. Freshwater used part. The Stamped Part Number is 42673 42673C1 which is equivalent to 99798, 806867A2 & 806867A8 Major notes about these manifolds For MerCarb Carburetors (identified by single adjustment screw & 3. 69" x 2. 00" mounting stud pattern & single idle adjustment screw at the base) This style of manifold had the mounting bosses for shift component hardware found on earlier style