Sierra 18-5917 Remanufactured Marine Starter for OMC Sterndrive & Cobra Stern Drives

The Sierra 18-5917 is a remanufactured high-torque marine starter engineered specifically for OMC Sterndrive and Cobra stern drive applications powered by late-model Ford-based V-8 engines. Built to perform in the demanding marine environment, this starter meets SAE J1171 and ISO 8846 marine ignition protection standards, ensuring safe and reliable operation aboard your vessel.

High-quality magnets and field coils deliver exceptional cranking torque, while the double-sealed housing protects internal components from moisture, salt, and corrosion. The three-bolt, late-style 4” diameter case is designed for standard rotation engines and provides a direct, drop-in fit as a replacement for OMC OEM part 984628. All Sierra parts are covered under Sierra's industry-leading customer satisfaction warranty.

Key Features:

• Meets SAE J1171 and ISO 8846 marine ignition protection standards
• High-quality magnets and field coils for superior starting torque
• Three-bolt, late-style 4” diameter case
• Double-sealed housing for enhanced corrosion resistance
• High-quality brushes for extended service life
• Standard rotation for late-model Ford V-8 engines
• Covered under Sierra's customer satisfaction warranty

Replaces OEM Part Numbers:

• OMC 984628
• Arco 70116
• Redline RL5917

Replacement Solenoid: Sierra 18-5801

Specifications:

• Weight: 7.4 lbs.
• Dimensions: 5-7/8” x 8-7/8” x 13”