The Tuff Stuff 7127D12 is a GM 100 amp alternator in the Factory Cast PLUS series with an internal regulator. It runs 12V on a 1-wire hookup, uses a single V-belt pulley and an aluminum case with a natural finish, and is sold individually.
- Type: alternator, Factory Cast PLUS
- Output: 100 amps
- Voltage: 12V
- Hookup: 1-wire, internal regulator
- Pulley: single V-belt
- Case material: aluminum
- Finish: natural
- Application: GM
- Sold as: each
- Part number: 7127D12
FAQ
What is the output of the 7127D12 alternator?
It is rated at 100 amps at 12V.
Is the 7127D12 a 1-wire alternator?
Yes, it uses a 1-wire hookup with an internal regulator.
What pulley does the 7127D12 use?
It uses a single V-belt pulley.

