This Tuff Stuff alternator is a 100 amp 12V unit for GM applications, using a 1-Wire self-exciting regulator so a single charging lead handles hookup. It carries a single V-belt pulley in an aluminum case with a polished finish.
- Type: Alternator
- Output: 100 amps
- Voltage: 12V
- Regulation: 1-Wire self-exciting
- Pulley: Single V-belt
- Case: Aluminum
- Finish: Polished
- Application: GM
- Part number: 7127NDP
FAQ
Does this alternator require external wiring to charge?
No. It uses a 1-Wire self-exciting regulator, so a single charging lead to the battery is all that is needed.
How much output does the 7127NDP produce?
It is rated at 100 amps at 12V.
What pulley and finish does it come with?
It has a single V-belt pulley and a polished aluminum case.

