Powermaster 37803 Chrome 140 Amp CS130 Alternator for GM

Upgrade your GM charging system with the Powermaster 37803 alternator, engineered to deliver dependable 140-amp output for demanding street and performance applications. This CS130-style alternator operates on 12 volts and is designed to provide reliable electrical power for modern accessories, ignition systems, lighting, and other vehicle electronics. Its chrome finish adds a clean, performance-focused appearance under the hood while maintaining the recognizable styling associated with GM applications.
The Powermaster 37803 features a flexible 1-wire/3-wire configuration, allowing compatibility with different installation and charging-system setups when properly wired for the vehicle. A six-rib serpentine pulley supports use with compatible serpentine belt systems, while the straight-mount design is intended for GM applications using the corresponding mounting arrangement. Verify vehicle fitment, bracket configuration, wiring requirements, and belt alignment before installation.
Feature: 140-amp output supports increased electrical demand from accessories and upgraded vehicle systems. Feature: CS130 design provides a compact alternator configuration for compatible GM applications. Feature: 12-volt operation matches standard automotive charging systems. Feature: 1-wire/3-wire capability offers installation flexibility based on the vehicle's wiring configuration. Feature: Six-rib serpentine pulley is designed for compatible serpentine belt systems. Feature: Straight-mount configuration supports select GM mounting applications. Feature: Aluminum case helps provide a durable, lightweight housing. Feature: Chrome finish delivers a polished appearance for custom and performance engine compartments.
Designed for enthusiasts and builders seeking reliable charging performance with a polished finish, the Powermaster 37803 combines practical electrical output with installation versatility. Professional installation is recommended, and all connections should be checked for correct polarity, belt tracking, grounding, and regulator operation before the vehicle is returned to service. This alternator is sold individually and is not restricted for air shipment or limited to truck freight.

Features:

• 140-amp output for upgraded electrical demands

• CS130-style alternator for compatible GM applications

• 12-volt automotive charging system operation

• 1-wire/3-wire configuration for wiring flexibility

• Six-rib serpentine pulley

• Straight-mount design

• Durable aluminum case

• Polished chrome finish