18-6298 Alternator - 7SI/70 Amp Hinge Mount Serpentine Pulley 1.97" Diameter for Mercruiser Stern Drives

The Sierra 18-6298 alternator is a critical component for the electrical system of your Mercruiser Stern Drive. With a capacity of 70 amps, it provides the power needed to charge your battery and power all of your boat's electrical components.

Main features:

Amperage: 70 amps
Mounting: Hinge
Pulley: Serpentine (diameter 1.97")
Compatible with Mercruiser Stern Drives
Replaces Mercury part numbers: 863077T, among others possible
Meets or exceeds original equipment (OEM) specifications
Tested to ensure reliability
Durable construction to withstand marine environments
Compatibility:

The 18-6298 alternator is compatible with a wide range of Mercruiser Stern Drives, especially those equipped with 2001 to present GM V6 and V8 engines (0M320025 series and later), including:

Mercruiser 100 Vazer
2001 and later GM V6 and V8 engines (series 0M320025 and later)
MCM 496 Mag and HO
WED 8.1L and HO
Keep in mind:

While it is listed as a replacement for 863077T and is compatible with post-2001 GM engines, always consult your boat manual or contact the manufacturer to verify exact compatibility with your specific Mercruiser Stern Drive model.