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Mercruiser 4-Cylinder 153 & 181 C.I.D. 120 H.P. (2.5L), 140 H.P. (3.0L)

Models 120R & 140R-MR / Alpha 1 engine: Log style direct replacement

Mercruiser 4-Cylinder 153 & 181 C.I.D. 120 H.P. (2.5L), 140 H.P. (3.0L)
Part Number Description
MC-1-95862 Direct replacement water cooled manifold (Rochester (3-1/4" x 1 7/8") bolt pattern). 6-bolt mounting. Replaces MerCruiser part number 95862A9 (no choke stove).
MC-1-96705 Direct replacement water cooled manifold (Rochester (3-1/4" x 1 7/8") bolt pattern). 6-bolt mounting. Replaces MerCruiser part number 96705A1.
MC-1-99798 Direct replacement water cooled manifold (MerCarb (3-11/16" x 2") bolt pattern). 6-bolt mounting. Replaces MerCruiser part number 99798A9.
MC-20-12076 Direct replacement exhaust riser. Replaces MerCruiser part number 12076A2.
MC-20-76325 Direct replacement exhaust riser. Replaces MerCruiser part number 76325A2.
1-60252 Direct replacement exhaust manifold end cap/connector. Replaces MerCruiser part number B-60252.
1-60252P Front end plate mounting package.
1-99197 Direct replacement exhaust manifold rear end cap / lifting eye.
1-99179P Rear end cap mounting package.
MC-1-99798P Exhaust manifold to cylinder head mounting package.
MC-20-12076P Riser mounting package
MC-20-61851A3 Manifold to riser 3" spacer (single block). Includes all mounting hardware, gaskets and drain plug.
MC-29-47587 Lower thermostat housing.
MC-29-60372 Upper thermostat housing.
MC47-475KIT Thermostat kit (includes gasket and thermostat).
MC47-27-48043 Direct replacement exhaust manifold end cap / connector gasket (will fit both ends).
MC47-27-73814 Direct replacement exhaust manifold end cap gasket. Utilized with 1-73813 rear end cap.
MC47-27-96429 Direct replacement exhaust manifold to cylinder head gasket.
MC47-27-99777 Direct replacement exhaust elbow to manifold gasket. Supersedes MerCruiser part number 27-52076.
MC47-27-99777A1 Exhaust manifold gasket set.
Note
Manifold includes all plugs, gaskets and mounting hardware to head. Risers include plugs, gasket and mounting hardware to mount to manifold.