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New GM, Mercruiser, Volvo Penta 3.0L, 181 CID Marine Engine Crankshaft Assembly. Replaces part numbers:
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Mercruiser Sterndrive Gas Engines OEM Parts Diagram for CYLINDER BLOCK, PISTON AND BEARINGS (140-3.0L/181 CID) | Boats.net
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Mercruiser 4-Cylinder 153 & 181 C.I.D. 120 H.P. (2.5L), 140 H.P. (3.0L) - Barr Marine Mainfolds, Risers, Elbows & Mounting Kits
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MerCruiser 3.0L GM 181 I / L4 1987-1989 Cylinder Block, Piston & Bearings (140-3.0l / 181 Cid) Parts
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