18-2171 - Coupler 76850A2
18-2171 ENGINE COUPLER Replaces: Mercruiser 76850A2
For all GM engines except MR/ALPHA/BRAVO with "Triangular", 3-Bolt coupler
Sierra Marine Engine Coupler is equivalent to parts:
- 76850A 2 Mercury Marine
- 9-72502 Mallory Marine
Additional information about this part can be found on page(s) 720 of the Sierra Marine catalog.