Arco 30457 Premium Replacement Inboard Starter motor. This heavy duty, high performance 14 MT marine starter is suitable for Mercruiser, Pleasurecraft, Crusader and Marine Power engines, as well as others. 12 Volt starter motor with counter clockwise rotation.

The Arco starter motor replaces OEM part numbers:

- Mercury 50-17251A3, 50-47455, 50-65784A1, 50-76965A1, 50-76965A3, 50-76965A4, 50-99419A3 and 50-808011A1

- Crusader 42091 and 42150

- Delco 19010612 and 19010615

- Sierra 18-5902 and 18-5908

- Marine Power 0171-000

- Pleasurecraft RA122009

All armatures are precision tested to withstand 50 times the operation voltage (12V). All motors performance tested at 5 different load levels. All motors must meet or exceed OEM performance before being boxed.