Description
The Sierra 18-5956-1 MERCURY Alternator is a high-quality aftermarket marine alternator designed specifically to replace original components on MerCruiser / Mercury Marine engines. This unit features a simplified 1-wire hookup and provides a 68-Amp / 12-Volt output.
Specifications & Compatibility
- Output: 68 Amps / 12 Volts
- Wiring Setup: Single-wire (1-wire), self-exciting hookup
- Pulley & Belt Style: Equipped with a V-belt drive pulley and cooling fan
- Regulator: Internal regulator included
- Safety Certification: Meets USCG and SAE J1171 ignition protection standards for marine environments.
Sierra 18-5956-1 MERCURY Alternator replaces the following part numbers:
- MerCruiser / Mercury Marine: 69729, 78403A1, 78403A2, 56045, 59755, 78477, 90794
- Arco: 20102
- GLM: 74000
- Mallory: 9-19100
