Sierra 18-5622 Outboard Starter The Sierra 18-5622 Outboard Starter is interchangeable with the following: Arco 5394, Chrysler/Force/US Marine 50-820193T1, 50-820193, Mallory 9-15013, 9-15015. Each Sierra product meets or exceeds the original equipment part it replaces. Sierra Outboard Starter Meets or exceeds the original equipment quality Sierra part number: 18-5622 Interchangeable with the following: Arco 5394, Chrysler/Force/US Marine 50-820193T1, 50-820193, Mallory 9-15013, 9-15015