Arco 12 volt alternators
Here is an explanation of the Arco part numbers.
- A275 or A225 is the nominal output. The actual output is more complicated, see the detailed explanation in the specification section.
- 12 volts is the nominal output voltage
- DF315 is dual foot 3.15" mount
- DF4 is dual foot 4" mount
- SF12 is single foot mount (can be 1" or 2" with included adaptor)
- R is rear terminal. if not specified the alternator has a side terminal.
- EX is externally regulated (applies to all of the ones we offer)
- IG is isolated ground
Use the filters below to narrow down your selection. Here is a side by side photo comparing the standard side post terminal, on the right, and the rear post terminal, on the left. Right click on the image to open in a new tab for a larger view.
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