Mercury 18643A5 | Triangular Shape Flywheel Mount Engine Coupler Kit - 3.0L, 4.5L MPI, V6 and V8 MerCruiser Engines Made

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Triangular shaped flywheel mount engine coupler kit 18643A5 is for 3.0L (model year 1999-2016), 4.5L MPI, V6 and V8 MerCruiser engines made by General Motors (305 and 350 cid) (mod el year 1993-2015) with MerCruiser Alpha sterndrives. See your service or parts manual for specific applications.The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original Equipment replacement engine parts, oils, and accessories, but also works to serve all original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.Key Features For select MerCruiser Alpha engines and sterndrives Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive Fitment / ApplicationFits MCM 3.0L (1999-2016), 4.5L MPI, GM V-6 & V-8 (305 & 350 cid) engines (1993-2015) with Alpha Show more