Description
The Sierra 18-5957-1 Alternator is a 12-volt marine engine replacement alternator designed to meet or exceed USCG and SAE J1171 ignition protection safety standards. This 68-amp, 3-wire marine alternator comes fully equipped with an external fan and a V-belt drive pulley, utilizing identical electrical connections and mounting setups as the factory original components.
Technical Specifications
- Voltage Compatibility: 12V
- Amperage Output: 68 Amps
- Wiring Configuration: 3-Wire (Not one-wire capable)
- Pulley Style: V-belt drive pulley included
- Cooling: External fan equipped
- Regulator: External regulator location
- Safety Certification: SAE J1171 marine ignition protected
Sierra 18-5957-1 Alternator Compatibility & OEM Cross-References:
- Mercury / Mercruiser Sterndrive: 78477, 78403A2, 92497A3, 817119A4, 12449A1, and 98555A1
- OMC Stern Drive: 982364, 983424, 983836, 985465, 985466, 3853853, and 3857298
- Volvo Penta: 3850927 and 3860769
- Pleasurecraft (PCM): RA097002, RA097003, and RA097006
- Aftermarket Brands: Arco 60050, GLM 74001, and Mallory 9-19113
