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Mercruiser V8-198, 228, 255, 260 & 898

Inboard & sterndrive units: Log style direct replacement

Mercruiser V8-198, 228, 255, 260 & 898
Part Number Description
MC-1-77234 Direct replacement water cooled exhaust manifold (port side). Replaces MerCruiser part number B-77234A2.
MC-1-77235 Direct replacement water cooled exhaust manifold (starboard side). Replaces MerCruiser part number B-77235A2.
MC-20-60426 Direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water / air mixing area). Replaces MerCruiser part number B-60426A1 (I/O applications).
MC-20-76351 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-76351A1 (I/O applications). Not pictured.
MC-20-76771 Direct replacement exhaust elbow riser. Replaces MerCruiser part number B-76771A3 (inboard 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.
1-73813P Rear end cap mounting package.
MC-1-7723P Riser mounting stud package.
MC-1-77234P Manifold mounting package.
MC-1-7723D Riser mounting package.
MC-20-55730 Stainless steel fresh water cooling block off plate for use with MerCruiser riser numbers 60426, 76351 and 76771. Requires two (2) gaskets—part number MC47-27-99777.
MC-20-60207 Stainless steel block off plate (with vent hole) for use with MerCruiser riser numbers 60426, 76351 and 76771. Requires two (2) gaskets—part number MC47-27-99777. Used in pre-heating plumbing systems.
MC-20-60426P Exhaust riser elbow mounting package. For use with both MC-20-60426 and MC-20-76351 risers.
MC-20-61851A2 Manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
MC-27-48104 Alternator mounting bracket.
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).
MC47-27-99777 Direct replacement exhaust elbow to manifold gasket. Supersedes MerCruiser part number 27-52076.
Note
Manifold includes all plugs, gaskets and mounting hardware to head. Risers include plugs, gasket and mounting hardware to mount to manifold.