Mercury 18643A7 Triangular Shape Flywheel Mount Engine Coupler Kit ADDOAR3 General Motors GM1899M (Performance corresponding

General Motors GM1899M (Performance corresponding to GM6038M)

*The ability to effectively avoid running aground with FrontVü sonar decreases as speed rises above 8 knots

Manufacturer Part Number 8376-BSS Key Features

Choose Collinite 870 for outstanding shine

Mercury 18643A7 Triangular Shape Flywheel Mount Engine Coupler Kit ADDOAR3 General Motors GM1899M (Performance correspondingTriangular shaped flywheel mount engine coupler kit 18643A7 is for General Motors made MerCruiser V6 & V8 (305 & 350 cid) engines (1983 1993) & 454 Mag engines with Alpha sterndrives. See your service or parts manual for specific applications. Product Details Manufacturer part number: 18643A7 For select MerCruiser Alpha engines and sterndrives