Sierra Marine Alternator

The Sierra Marine Alternator line provides dependable charging output for marine engines. These replacement alternators keep your battery charged and your onboard electrical system running while you are on the water. Each unit is built for marine use and is driven by a serpentine pulley.

Key Features:

• Marine-application replacement alternator for gasoline inboard and sterndrive engines
• Serpentine (multi-rib) belt pulley design
• Supplies charging current to the battery and onboard electronics such as navigation equipment, pumps and lighting
• Made by Sierra, a long-established supplier of marine engine parts and replacements

Sierra alternators are designed as direct replacements for the original equipment alternator. Choose the variant that matches your engine's amperage rating and part number requirements.