Powermaster 578026 GM CS130 140 Amp 16V Alternator 1-Wire 6 Groove Pulley Black

The Powermaster 578026 is a high-output 140-amp alternator designed for GM CS130 applications requiring reliable 16-volt charging systems. This alternator features a durable black powder-coated finish and straight mounting configuration with a 6.61-inch mounting pattern, making it ideal for performance and racing applications where higher voltage is needed.

Key Features:

• 140-amp output at 16 volts for demanding electrical systems
• 1-wire design simplifies installation with no external regulator required
• 6-groove serpentine pulley for modern belt-driven accessory systems
• GM CS130 case design ensures compatibility with popular GM mounting brackets
• Black powder-coated finish for corrosion resistance and clean appearance
• Straight mount configuration with 6.61-inch mounting diameter
• High-efficiency internal voltage regulator built for 16-volt operation

This alternator is specifically engineered for performance vehicles, race cars, and custom applications that utilize 16-volt electrical systems to reduce amperage draw and improve component efficiency. The simplified 1-wire hookup eliminates the need for a factory harness connection, requiring only a direct connection to the battery positive terminal.