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Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172

Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172

Regular price $365.46 USD
Regular price $0.00 USD Sale price $365.46 USD
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Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172

Sierra Mercruiser Pre-Vortec Engine Coupler 18-2172

Engine coupler connects Mercruiser GM engines to stern drives.
  • Engine coupler is used when replacing Mercruiser V6 or V8 2 piece rear main seal engines with 3 ½ inch crankshaft bolt pattern to a newer 1 piece engine with 3 inch bolt pattern
  • Replaces Mercury 14505A2
  • Replaces OMC 775495
  • Replaces Mallory 9-72500
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