MARINE GRADE: Built with corrosion-resistant materials and an insulated return to withstand the harsh conditions of saltwater and high-moisture engine bays.

Key Features

• ✔ High Output 105 Amp charging
• ✔ Adjustable Internal Regulator (13.5V-14.5V)
• ✔ Bi-Directional Fan & Rotation
• ✔ Insulated Return (Floating Ground)
• ✔ UL Approved for Marine Use

Technical Specs

Voltage	12V (14V System)
Amperage	105 Amp
Rotation	Bi-Directional (BI)
Fan Type	External (EF)
Regulator	Internal (IR)
B+ Terminal	1/4-20 Stud

Make/System	Model/Application	Notes
Volvo Penta	Various Marine Diesel Engines	Fits TAMD series and others using 8MR mount
Mercruiser	High Output Conversions	Universal 3-Hole adjustable mount
Industrial	Komatsu, John Deere, Clark	Various models using Motorola/Prestolite

Is this a genuine original part?

This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for durability in marine environments.

How do I know if it is compatible?

Check your existing alternator's part number. If it matches 8MR2401U, 110-567, or any listed in our cross-reference section, this is the correct high-output replacement.

Can I adjust the output voltage?

Yes, this unit features an adjustable internal regulator (accessible via a small screw) which allows you to fine-tune the charging voltage between 13.5V and 14.5V to suit your battery setup.