Product Overview
The Sierra 18-6946 Mercury Starter is a replacement for Mercury part number 50-8M8021116. Fits 1100 QC4V, 1350 QC4V, 500 Bulldog, 500 EFI, 525 EFI, 525 SC-GenVI, 565 EFI, 575 Sci, 600 SC Bobtail, 600 SCi, 662 SCi, 700 Sci, and Scorpion 377 models. Each Sierra product meets or exceeds the original equipment part it replaces.
