Genuine OEM Mercury-Mercruiser part. Replacement engine coupler kit for Mercruiser stern drives.
Fits: MCM GM V‑6 & V‑8 (305 & 350 cid) engines (1983‑1993) & 454 Mag Alpha
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California Residents: 
WARNING
Cancer and Reproductive Harm -
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Mercruiser 18643A-5 Engine Coupler Assembly Genuine OEM Mercury - Mercruiser part. Replacement engine coupling assembly for Mercruiser stern drives. Fits: MCM 3.0L (1999‑2016), 4.5L MPI, GM...
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Mercury - Mercruiser 12632A-6 Coupling Assembly Genuine OEM Mercury - Mercruiser part. Fits: MCM 3.0L/LX (1994‑1998) Triangular shape Flywheel mount Special Order Item.
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Sierra 18-2414 Mercruiser Engine Coupler Sierra replacement engine coupler for Mercruiser Stern Drives. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements...
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Mercruiser 12632A7 Engine Coupler Kit Genuine OEM Mercury-Mercruiser part. Fits: MCM 120/2.5L & 140/3.0L (1987‑1993) Triangular shape Flywheel mount Special Order Item
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Sierra 18-2171 Mercruiser Engine Coupler Sierra replacement round style engine coupler for all GM marine engines Except Mercruiser MR/Alpha/Bravo with Triangular, 3-bolt coupler. All Sierra...
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Mercury - Mercruiser 8M0098795 Engine Coupler Assembly Genuine OEM Mercury-Mercruiser part. Fits: MCM 4.5L MPI, 6.2L MPI (Mercury) & GM V‑8 engines with Bravo drive Round...
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Sierra 18-2413 Mercruiser Engine Coupler Sierra 18-2413 Engine Coupler is an aftermarket replacement part for Mercruiser Stern Drives. All Sierra engine parts are manufactured to meet or exceed OEM...
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