This Tuff Stuff Silver Bullet alternator is a 100 amp 1-wire unit for GM applications. It runs on 12V, uses a single V-belt bullet nose pulley, and features a black powder coat aluminum case.
- Type: Alternator
- Series: Silver Bullet
- Output: 100 amps
- Voltage: 12V
- Wiring: 1-Wire
- Pulley: Single V-Belt Bullet Nose
- Case: Aluminum
- Finish: Black Powder Coat
- Application: GM
- Sold as: Each
- Part number: 7139FBULL
FAQ
How much output does this alternator produce?
It is rated at 100 amps on a 12V system.
Does it require multiple wires to hook up?
No, it uses a 1-wire self-exciting design.
What is the case finish?
The aluminum case carries a black powder coat finish.

