The Tuff Stuff 7127 is an 80 amp GM alternator built on the Factory Cast PLUS platform. It runs a 12V, 1-wire self-exciting circuit and a single V-belt pulley for GM V-belt accessory drives. The aluminum case has a natural finish.
- Type: Alternator, Factory Cast PLUS
- Output: 80 amps, 12V
- Wiring: 1-wire self-exciting
- Pulley: single V-belt
- Case: aluminum, natural finish
- Application: GM
- Part number: 7127
FAQ
How many amps is the 7127 rated for?
The 7127 is rated at 80 amps at 12 volts.
Is the 7127 a 1-wire alternator?
Yes. It is a 1-wire self-exciting unit.
What pulley is fitted?
It uses a single V-belt pulley.

