Reliable Power for Onan & Starrett Industrial Applications
Upgrade or restore your power generation system with this precision-engineered 12V 37A alternator. Designed specifically for heavy-duty industrial and marine environments, this unit is a direct replacement for original Motorola and Prestolite equipment found on Onan gensets and Starrett marine engines. Manufactured with high-purity copper windings and heavy-duty rectifiers, it ensures consistent charging even in high-temperature environments.
ENGINEERED PERFORMANCE: Specifically calibrated to meet the rigorous demands of industrial standby generators and marine auxiliary power systems.
Key Features
✔ Direct Fit: Replaces OEM Motorola & Prestolite units.
✔ Heavy Duty: Built for industrial & marine use.
✔ Stable Output: 37 Amp charging capacity.
✔ Ready to Install: Internal regulator (IR) included.
This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
We recommend checking the SKU (AMO0016) or the Cross Reference numbers (like Motorola RA12N451D). If your current unit matches any of these, it is a guaranteed fit.
Does it come with the pulley?
Yes, this unit typically comes equipped with a single-groove V-belt pulley (V1 class) as standard for the industrial applications listed.
Note: Please verify your original part number against the references above before purchasing. All technical data is provided for reference on 4drive.co.uk.
