4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-2912-14 Cylinder Exhaust Manifold to Head Gasket Sierra 18 2912 1 Combination intake & exhaust manifold gasket fits various early model GM 3. 0L 4 cylinder marine engines. Exhaust manifold gasket For Mercruiser and OMC GM 3. 0L 181 cu. in. marine engines Fits Mercruiser 140 model engines Will not work with all 3. 0L engines refer to engine model and serial for correct gasket Intake ports have two square ports and two ports with the corners blocked Exhaust
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4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-2912-1
Combination intake & exhaust manifold gasket fits various early model GM 3.0L 4 cylinder marine engines.
Exhaust manifold gasket
For Mercruiser and OMC GM 3.0L 181 cu. in. marine engines
Fits Mercruiser 140 model engines
Will not work with all 3.0L engines - refer to engine model and serial for correct gasket
Intake ports have two square ports and two ports with the corners blocked
Exhaust ports are all square
Replaces Mercury 27-53354
Replaces OMC 908079
Replaces Mallory 9-61417
Replaces Sierra 18-1203, 18-2912
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4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-2912-1