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![Replacement Voltage Regulator for GM 10SI Alternators [1-Wire or OEM]](https://www.jegs.com/images/mini_750/900/908/908-7639.jpg)
Vehicle Info NeededTUFF STUFFPART NUMBER: 908-7639
Replacement Voltage Regulator for GM 10SI Alternators [1-Wire or OEM]
$1697
Ships on 11/06/2026
Lowest Price GuaranteeReplacement Voltage RegulatorFor GM 10SI Alternators 1-Wire or OEM Wiring Hookup 12 Volt Internal Regulator Design Sold Individually
This replacement voltage regulator restores steady charging output in GM 10SI style alternators and works with 1-wire or OEM wiring.
Tuff Stuff 7639 Replacement Voltage Regulator Features:
- Replacement internal voltage regulator for GM 10SI style alternators
- Works with 1-wire or OEM wiring hookup
- 12 volt system
- Heavy-duty electronics resist voltage spikes
- Fits Tuff Stuff 7127 series alternators
- Sold Individually
Part TypeVoltage Regulator
BrandTUFF STUFF
Part CategoryReplacement Parts
Voltage12 v
QuantitySold Individually
Part FitmentSemi Universal
Vendor Part Number7639
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
