Powermaster 578028 GM CS130 140 Amp Alternator with 6-Rib Serpentine Pulley

Upgrade your GM charging system with the Powermaster 578028 CS130 alternator, engineered to provide dependable electrical output for street, performance, and replacement applications. This 140-amp alternator operates with 12-volt and 16-volt electrical systems, helping support demanding vehicle accessories and consistent charging performance. Its GM CS130 configuration is designed for compatibility with applications using the corresponding factory-style mounting and electrical connections.
The alternator features a 6-rib serpentine pulley for smooth belt engagement and reliable accessory drive operation. An aluminum case helps provide a practical balance of strength and weight, while the black powder-coat finish adds corrosion resistance and a clean appearance under the hood. The pulley and case design make this unit a suitable choice for restoring or upgrading a GM charging system without sacrificing a professional, equipment-matched installation.
Powermaster builds the 578028 with performance-focused components intended for dependable service in demanding automotive environments. The 140-amp output provides additional capacity for lighting, audio equipment, ignition systems, cooling fans, and other electrical accessories when properly matched to the vehicle’s wiring and charging requirements. Verify application-specific mounting, connector, voltage-system, and belt compatibility before installation.
Designed for straightforward replacement or performance-oriented upgrades, this Powermaster alternator delivers reliable charging capability in a durable, professionally finished package. It is sold individually and is intended for GM applications requiring a CS130-style alternator with a 6-rib serpentine pulley.

Features:

• Brand: Powermaster

• Part Number: 578028

• Application: GM vehicles using a compatible CS130 alternator configuration

• Output: 140 amps

• Voltage Compatibility: Designed for 12-volt and 16-volt electrical systems

• Pulley: 6-rib serpentine pulley

• Case Material: Aluminum

• Finish: Black powder coat

• Product Type: CS130 replacement or performance alternator

• Quantity: Sold individually