4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-2912-1 Seals & Gaskets Replaces Mercury 586147 | Replaces

Replaces Mercury 586147 | Replaces Mercury 586224 | Replaces Mercury 87-1976 | Replaces Mercury 879058 | Replaces Volvo 3857533

Replaces Teleflex CCX20511

Tune Up Kit Mallory

Supersedes Volvo Penta 3855745

For Mercruiser 4

4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-2912-1 Seals & Gaskets Replaces Mercury 586147 | Replaces4 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