MerCruiser 42673 GM 140hp 3.0L Water Jacket Exhaust Manifold MerCarb 860235A04 Crankshaft OMC 908485 / 0908485 Thermostat

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

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

please check with your parts manual or ask me to confirm compatibility

Swivel Housing Plate

This is the outboard-side Wire harness that would have a connector to connect it to the battery

MerCruiser 42673 GM 140hp 3.0L Water Jacket Exhaust Manifold MerCarb 860235A04 Crankshaft OMC 908485 / 0908485 ThermostatItem 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