This high-output 80 Amp alternator is specifically engineered for the demanding marine environment. Designed as a direct replacement for Hitachi and Yanmar original equipment, it ensures your vessel's battery system remains charged and your onboard electronics powered during offshore or coastal operations. Built with premium internal components, this unit provides the reliability required for marine diesel applications.
RELIABILITY: Fully insulated terminal design specifically for marine safety standards, meeting or exceeding OEM specifications.
Key Features
✔ Direct fit for Yanmar 3JH/4JH/4LH series
✔ High-output 80 Amp performance
✔ Internal regulator (IR) with external fan (EF)
✔ Fully insulated for marine safety
✔ Corrosion-resistant finish on pulley and hardware
This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for marine reliability and output.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. This unit typically replaces the 80A Hitachi LR180 series used on Yanmar 3-cylinder and 4-cylinder engines.
Is this unit "Fully Insulated"?
Yes, this model features a fully insulated ground, which is essential for marine diesel engines to prevent electrolysis and ensure compatibility with marine electrical systems.
Note: Please verify your original part number against the references above before purchasing. All product data is verified against the 400-44046 specification sheet. Visit 4drive.co.uk for further technical support.
