Powermaster 578021 140 Amp GM CS130 Alternator with 1-Wire Single V-Belt Pulley

Upgrade your GM charging system with the Powermaster 578021 alternator, a dependable CS130-style unit designed to deliver 140 amps of output at 12 volts. Its 1-wire configuration simplifies installation by reducing wiring requirements, making it a practical choice for compatible street, restoration, and performance applications. The included single V-belt pulley supports compatibility with traditional belt-drive systems.
The Powermaster 578021 features an aluminum case with a durable black powder-coat finish for corrosion resistance and a clean, professional appearance. Its compact CS130 design helps provide a factory-style fit in applications configured for this alternator family, while the high-output rating supplies additional electrical capacity for accessories and demanding charging needs. Verify vehicle, mounting, clocking, wiring, and pulley compatibility before installation.
Designed and manufactured by Powermaster, this GM alternator combines straightforward installation with reliable charging performance. The 1-wire setup is intended for applications where simplified alternator wiring is preferred, but proper grounding and system connections remain essential for safe operation. This alternator is sold individually and is not classified as air restricted or truck freight only.

Features:

• Brand: Powermaster

• Part Number: 578021

• Application: GM CS130 alternator

• Output: 140 amps

• Voltage: 12 volts

• Wiring: 1-wire configuration

• Pulley: Single V-belt pulley

• Case Material: Aluminum

• Finish: Black powder coat

• Quantity: Sold individually