Description
The Sierra 18-6847 Alternator is a premium marine-grade replacement alternator engineered to match or exceed original equipment manufacturer (OEM) specifications for Volvo Penta marine engines. This 12-volt, 75-amp unit includes a 63-mm multi-groove serpentine pulley and meets strict USCG and SAE J1171 ignition protection safety requirements for marine environments.
Engine Compatibility
This alternator is designed primarily for late-model Volvo Penta gas engines (typically model years 2000–2007), including:
- 3.0L: 3.0GLP, 3.0GSP, 3.0GSM
- 4.3L: 4.3GXi
- 5.0L: 5.0GXi, 5.0Si
- 5.7L: 5.7Gi, 5.7GXi, 5.7OSi, 5.7SXi
Part Interchanges
The Sierra 18-6847 VOLVO PENTA Alternator can directly replace the following part numbers:
- Volvo Penta: 3862613, 2655301, 21612639
- Arco Marine: 60076
