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Engine Coupler Mercruiser All GM 1985 and Earlier 2 Piece Seal 76850A2

  • SIE18-2171 is currently unavailable and is replaced by..
  • Part #: EMP93-01446


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This Coupling fits all GM engines with a two piece rear main seal. All GM V8 engines 1985 and earlier are 2 piece seal engines.

This also fits inline GM enignes 1984 and earlier that did not use the triangular coupling. Bolts to the same bolts that hold the flywheel on the crankshaft.

This is used on engines with a 3.5 inch mounting bolt circle.

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