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 coupler.
  • 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

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