Mercruiser 4 Cylinder Engine Coupler | Sierra 18-2321

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Mercruiser 4 Cylinder Engine Coupler | Sierra 18-2321 SIERRA Engine Coupler 18-2321 Engine coupler fits late model Mercruiser GM 4 cylinder engines with triangular style engine cou pler. This triangular style engine coupler is for GM 4 cylinder engines with late style, small crankshaft bolt pattern Fits Mercruiser model 3.0LX engines from 1994 to 1998 with serial number range F000001-L096999 This is the same as the 18-2195 without the yoke shaft Replaces Mercury 12632A6 Replaces Mallory 9-72506 !! Not Eligible For Free Shipping !! Show more