POWERMASTER 582378 AD244 220 Amp Alternator for GM, 12V/16V, 1-Wire, 6-Rib Serpentine, Black

The POWERMASTER 582378 AD244 alternator delivers 220 amps of charging capacity for GM applications requiring dependable electrical performance. Designed for 12-volt and 16-volt systems, this 1-wire alternator simplifies installation while providing strong output for upgraded audio systems, high-demand accessories, and performance vehicles. Its 6-rib serpentine pulley is designed to work with compatible GM belt-drive systems.
Built with an aluminum case and aluminum construction, the POWERMASTER AD244 alternator helps provide a practical balance of strength, durability, and weight. The black-painted finish offers a clean appearance that complements a wide range of engine compartments while helping protect the exterior surface during normal use. This unit is supplied as an individual alternator and is intended for applications using compatible GM mounting and electrical configurations.
Before installation, verify vehicle fitment, mounting points, belt alignment, pulley compatibility, wiring requirements, and system voltage. The 1-wire design may require appropriate connection to the battery or main charging circuit, depending on the application. The POWERMASTER part number 582378 is a direct reference for identifying this specific AD244-style, 220-amp alternator configuration.

Features:

• 220-amp output supports demanding automotive electrical systems

• Compatible with 12-volt and 16-volt charging systems

• 1-wire design simplifies electrical installation

• 6-rib serpentine pulley for compatible GM belt-drive systems

• AD244-style alternator designed for GM applications

• Aluminum case and aluminum construction provide durable, lightweight performance

• Black-painted finish offers a clean, protective exterior

• Sold individually