In Stock
Inspected & Documented
Condition notes recorded before palletizing.
30-Day Startup Warranty
Covers block, heads and internal moving components.
In Stock & Ready to Freight
Engine Components
Tuff Stuff 7139ABUL6G12 GM Silver Bullet 100 Amp Alternator, Chrome
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Secure checkout by Stripe
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
Made from 100% new components and carries a one-year limited warranty. Tuff Stuff has alternator applications for virtually all muscle cars, hot rods, customs, and light trucks in just about every finish imaginable. Available in chrome plated, polished aluminum, powder coated, and plain as cast finishes. All alternators are for 12-volt, negative ground systems, except where noted.
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
