The ARCO 5400 Outboard Starter fits Mercury 2001- Current, 135-250 HP, 200-250 Sport Jet 2005-UP, Verado 4-stroke 200-275 HP. It replaces the following part numbers: Delco 8000500, Delco 9000855, Delco 9000974, Mercury 50-8M6001043, Mercury 50-853329T, Mercury 50-892339T, Mercury 50-892339T01, and Sierra 18-6440. Epoxy powder coated for maximum corrosion protection. Motor shafts induction case hardened at bearing surfaces for superior wear resistance. All armatures tested to withstand 50 times operation voltage (12V). All motors performance tested at 5 different load levels. All motors must meet or exceed OEM performance before being boxed.