Mercruiser Engine Coupler | Sierra 18-2323

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Mercruiser Engine Coupler | Sierra 18-2323 SIERRA Engine Coupler 18-2323 Engine coupler fits late model Mercruiser GM engines with triangular style engine coupler. This triangular style engine coupler is for late model, small crankshaft bolt pattern GM engines Fits Mercruiser model 3.0LX engines from 1994 to 1998 with serial number range F000001-L096999 Fits Mercruiser model 3.0L engines from 1998 to 2010 with serial number range L097000 & up Fits Mercruiser model 3.0L MPI engines from 2008 to 2010 with serial number range A072862 & up Fits Mercruiser model 262 MAG Alpha EFI Gen+ engines from 1996 to 1997 with serial number F803800-K999999 Fits Mercruiser model 4.3L EFI engines with serial number range L0129009-M299999 Fits Mercruiser model 5.0L Alpha engines from 1994-1995 with serial number range F000001-F600999 Fits Mercruiser model 5.0L Gen+ Alpha engines from 1998 to 2010 with serial number range L0157751 & up Fits Mercruiser model 350 MAG Alpha engines from 1993 to 1997 with serial number range F000001-K999999 This the same as the 18-2175 without the yoke shaft Replaces Mercruiser 18643A5 Replaces Mallory 9-72507 !! Not Eligible For Free Shipping !! Show more