Mercruiser 4 Cylinder Engine Coupler | Sierra 18-2321
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
