The Tuff Stuff 7127D6G12 is a 100 amp GM alternator with a 12V, 1-wire self-exciting circuit and an internal regulator. It turns a 6-rib serpentine pulley and has a natural aluminum case for serpentine accessory drives.
- Type: Alternator
- Output: 100 amps, 12V
- Wiring: 1-wire self-exciting, internal regulator
- Pulley: 6-rib serpentine
- Case: aluminum, natural finish
- Application: GM
- Part number: 7127D6G12
FAQ
What pulley does the 7127D6G12 use?
It uses a 6-rib serpentine pulley.
Is the regulator internal?
Yes. It has an internal regulator and a 1-wire circuit.
How many amps does it make?
It is rated at 100 amps at 12 volts.

