Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededPROFORMPART NUMBER: 778-66434
1-Wire GM Alternator 100-Amp in Natural Satin Finish
$12499
Ships on 09/09/2026
Lowest Price GuaranteeGM 1-Wire Alternators
- 1-Wire GM Alternator
- 100-Amp
- Natural Satin Finish
- Individually Tested
- Use In Place Of Alternators w/External Regulator
High-Performance Amperage
Proform performance alternators have been thoroughly inspected and tested. Each item comes with a Quality Assurance graph documenting its performance. Proform 100% NEW alternators are based on a GM-style design, providing easy installations and reliable years of service.
Part TypeAlternator
Product LineProform Performance Alternators
BrandPROFORM
Package Height7.0
Package Width7.4
Package Length8.3
Weight13.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number66434
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations
