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Mercruiser V8-225, 250, 255, 270 & 280

Inboard & sterndrive units: Log style direct replacement

Mercruiser V8-225, 250, 255, 270 & 280
Part Number Description
MC-1-47737 Direct replacement water cooled exhaust manifold (port side). Replaces MerCruiser part number B-47737A1.
MC-1-47738 Direct replacement water cooled exhaust manifold (starboard side). Replaces MerCruiser part number B-47738A1.
MC-20-72963 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-72963A1 (inboard applications).
MC-20-76668 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-76668A3, B-72964A1 and B-47877A4 (I/O applications).
1-60252 Direct replacement exhaust manifold end cap / connector. Replaces MerCruiser part number B-60252.
1-60252P Front end plate mounting package
1-73813 Direct replacement manifold end cap (rear). Supercedes part number 1-54870.
MC-20-61811A4 Manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
MC-29-47441 Upper thermostat housing.
MC-29-78984 Lower thermostat housing.
MC47-488KIT Thermostat kit (includes gasket and thermostat).
MC47-27-33395 Direct replacement exhaust manifold to head gasket.
MC47-27-33395A2 Exhaust manifold gasket set.
MC47-27-48043 Direct replacement exhaust manifold end cap / connector gasket (will fit both ends).
Note
Manifold includes all plugs, gaskets and mounting hardware to head. Risers include plugs, gasket and mounting hardware to mount to manifold.