Description
The Sierra 18-5984 Alternator is a Delco 7SI style marine alternator engineered to replace original equipment on specific watercraft applications. It provides an output of 70 Amps at 12 Volts and features a clockwise rotation. This unit is built to meet or exceed USCG and SAE J1171 safety standards for ignition protection in marine environments.
Key Specifications
- Amperage / Voltage: 70 Amps / 12V
- Case Style: Delco 7SI
- Mounting Type: Spool Mount (2 5/8" OD Spool)
- Pulley Configuration: 6-Groove Serpentine Pulley included (2 5/8" diameter)
- Clock Position: 65 mm
- Ground: Negative
Engine Compatibility & Cross-References
- Indmar Engines: Common on Indmar LCR 320, Moomba, and Supra configurations.
- Pleasurecraft Marine (PCM): Used across select multi-port injection systems.
Sierra 18-5984 Alternator directly replaces the following OEM part numbers:
- Indmar: 575011
- Pleasurecraft: RA097007B
