Description
Sierra’s 18-5817 Solenoid is designed as a reliable replacement component for marine electrical starting and switching systems, delivering consistent performance in demanding engine applications. It is engineered with precision construction to ensure dependable operation, durability, and stable electrical engagement. This solenoid is interchangeable with Arco SW058, GLM 72400, Mallory 9-15112 and 9-15112-10, and Mercruiser/Mercury 89-94318, 89-846070, 89-96158, and 89-96158T, offering broad compatibility across multiple marine systems. Each Sierra product meets or exceeds original equipment specifications for dependable fit and long-term reliability.
Features
- Compatible with multiple Mercruiser/Mercury OEM part numbers for broad application coverage
- Constructed with precision for reliable electrical switching performance
- Interchangeable with Arco SW058, GLM 72400, and Mallory 9-15112 and 9-15112-10
- Supports consistent operation in marine starting and engine systems
- Meets or exceeds original equipment specifications for dependable replacement quality
- Fits: Outboard Starters & Mercruiser Starter & Power Trim
- Premium quality for longer life
- Meets or exceeds manufacturer specs
- Backed by Sierra’s limited lifetime warranty






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