Sierra 18-70943 | Molded Hose for Mercruiser Stern Drives

Freeport Marine Supply Verified independent store

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Fits Port Side thermostat housing to exhaust manifold Big Block GM Chevy 454 (GEN-V), 454 EFI, 454 MAG MPI Bravo, 454 MAG Bravo, 502 EFI, 502 MAG MPI Bravo, 502 MAG MPI, 7.4L, 8.2L engines. | Replaces: Mercury Marine 32-89749-1 Show more