Sierra 18-2171 Engine Coupler for GM

Overview

The Sierra 18-2171 Engine Coupler for GM is the perfect fit for all GM model engines, except MR/Alpha/Bravo with a triangular three-bolt coupler. It meets or exceeds the original coupler quality, and is interchangeable with GLM 11500, Mallory 9-72502, Mercruiser 76850A2, 38965A1, 38965A2, 22492A2, 32492A3 and 32492A5. To ensure proper fit, be sure to check the part numbers.

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