Description
The Sierra 18-6298 MERCRUISER V6/V8 Alternator is a 12V, 70-amp Delco 7SI-style charging solution engineered for modern MerCruiser stern drive engines. It is designed with safety in mind, featuring SAE J1171 ignition protection to prevent explosive gas ignition in marine engine compartments.
Technical Specifications
- Amperage: 70 Amp
- Voltage: 12 Volt
- Alternator Family: Delco 7SI Marine
- Mount Type: Hinge mount
- Pulley Design: Six-groove serpentine pulley, solid
- Pulley Diameter: 1.97" (50 mm)
- Grounding: Negative ground
- Weight: ~10.05 lbs (4.57 kg)
Engine Compatibility
The Sierra 18-6298 is compatible with the following marine engine applications:
- GM V6 & V8 Engines: 2001 and newer models with serial numbers 0M320025 and up.
- MerCruiser 100 Vazer
- MCM 496 Mag & HO
- MIE 8.1L & HO
OEM & Aftermarket Interchanges
This alternator serves as a direct replacement for several factory and aftermarket part numbers:
- MerCruiser / Mercury Marine: 863077T, 863077-1, 8630771, 219290
- ARCO Marine: 20815
- Mallory: 9-19111
- Pleasurecraft: RA097007