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Vehicle Info NeededPOWERMASTERPART NUMBER: 713-7288
GM 17si Style Alternator 120 Amp
$18899
Ships on 09/09/2026
Lowest Price GuaranteeGM 17si Style Alternators
- GM 17si Style Alternator
- 120 Amp
- 1V Belt Pulley
- Natural
- Excellent Output At Idle
- Proof Of Performance Tag
Powermaster 17si Style Alternators are a large case version of the 10si GM alternator and made for 1983-87 Corvette 5.7L and Camero/Firebird 2.8L vehicles. These alternators have an output of 85 amps at idle, and 120 amps peak. Available in chrome, polished or natural finish. Made in the U.S.A. Features:
- Excellent Output at Idle
- 1 or 3-Wire Operation
- Front Baffle Plate Included
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Note: Charge Wire Not Included.
| 85A at 2,400 RPM/13.2 VDC/77°F |
| Operating Range: -40°C to 150°C |
| Maximum RPM: 18,000 |
Part TypeAlternator
Product LinePowermaster GM 17si Style Alternators
BrandPOWERMASTER
Package Height7.4
Package Width7.8
Package Length9.3
Weight15.47 PG
Part CategoryPerformance Parts
Pulley StyleV-Belt Pulley
Voltage Compatibility12
Advertised Amperage Output120 AMP
One-Wire CapableNo
Pulley IncludedYes
Regulator IncludedYes
Alternator Brackets IncludedNo
Alternator FinishNatural
Part FitmentDirect Fit
Onewire CapableYes
Alternator Case StyleGM 17si
QuantitySold individually
MountingOEM
Amperage120 AMP
Belt IncludedNO
Regulator StyleInternal
Vendor Part Number7288
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
