Premium Quality Replacement for Mercury EFI Outboards
This high-performance alternator is specifically designed for Mercury Marine 4-stroke outboard engines ranging from 75HP to 115HP EFI models. Engineered to withstand the rigorous demands of marine environments, it features high-temperature epoxy, heavy-duty rectifiers, and high-quality bearings to ensure consistent charging and long-term durability even under high-heat conditions.
RELIABILITY: Built to meet or exceed OEM specifications with a precision-balanced rotor and internal cooling fan for optimal performance at sea.
Key Features
✔ 100% Brand New Aftermarket Unit
✔ Direct fit for 4-Stroke EFI Models
✔ Marine-grade internal components
✔ 4-Groove Pulley pre-installed
✔ Internal Fan and Internal Regulator
Technical Specs
Voltage:
12V
Amperage:
50 Amp
Rotation:
Clockwise (CW)
Pulley:
4-Groove (S4)
Pulley OD:
58.5mm
Terminal:
M6-1.0 (B+)
Compatibility / Fitment Guide
Engine Model
Year Range
Notes
Mercury 75HP / EFI
2001 - 2012
4-Stroke Engines
Mercury 80HP / EFI
All
4-Stroke Engines
Mercury 90HP / EFI
2001 - 2012
4-Stroke Engines
Mercury 100HP / EFI
All
4-Stroke Engines
Mercury 115HP / EFI
2001 - 2012
Inc. Saltwater & ELPT/EXLPT
OEM Cross Reference
Mercury Marine:
897755T, 50-897755T, 8M0063970, 8400080
DB Electrical:
ADR0313, 400-12367
ARCO:
20852
EMP:
4-6840
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured by 4Drive to meet or exceed original equipment (OE) standards for fitment and performance in marine environments.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number is 897755T or 8M0063970, this is the correct replacement.
Does this alternator include the pulley?
Yes, this unit comes pre-installed with a 4-groove multi-V pulley (approximately 58.5mm outer diameter) and is ready for immediate installation.
Note: Please verify your original part number against the references above before purchasing. For any fitment questions, please contact our support team at 4drive.co.uk.
