SKU: PWM578018
UPC: 692209005636
MPN: 578018
The GM CS130 Alternator – 140 Amp 6-Groove Pulley by POWERMASTER is an essential upgrade for Chevrolet and GMC engine swaps, restorations, and high-output electrical systems. Designed for vehicles that require reliable charging capacity, this alternator provides a consistent 140-amp output to support modern accessories, audio systems, and auxiliary lighting without voltage sag.
This alternator features a 6-groove serpentine pulley design that integrates seamlessly with modern accessory-drive configurations, minimizing belt slip and enhancing thermal efficiency during prolonged use. POWERMASTER has engineered this unit with self-exciting internal voltage regulation to maintain consistent charging across idle and high-RPM conditions, which is critical for vehicles running multiple electrical loads simultaneously.
Ideal for restorers, street-rod builders, and mechanics upgrading aging electrical systems on Gen II, Gen III, and Gen IV small-block Chevrolet platforms, this alternator is also compatible with various GM truck applications. Proper installation requires attention to belt tensioning and voltage-regulator configuration to ensure optimal performance.
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