Powermaster 48237 220 Amp GM AD244-Style Alternator, 12V, OEM 4-Pin

Upgrade your vehicle’s charging system with the Powermaster 48237 220-amp alternator, engineered for GM applications using the AD244-style configuration. This 12-volt alternator delivers increased electrical output for vehicles equipped with demanding accessories, helping support dependable charging performance during daily driving, towing, and high-accessory use. Its natural-finish aluminum case provides a clean, functional appearance while maintaining the durable construction expected from Powermaster components.
Designed for straightforward compatibility, this alternator features an OEM 4-pin connection and a 6-rib serpentine pulley for integration with the original-style belt-drive system. The AD244-style design makes the Powermaster 48237 a practical replacement or performance-oriented upgrade when additional amperage is needed without changing the vehicle’s basic charging-system layout. Always verify vehicle application and connector, pulley, and mounting compatibility before installation.
The Powermaster 48237 is supplied as a complete alternator assembly and is suitable for GM applications requiring a high-output 12-volt charging solution. Its 220-amp rating helps provide added reserve capacity for upgraded lighting, audio equipment, winches, auxiliary electronics, and other electrical accessories. With its OEM-style connection, serpentine pulley, and aluminum housing, this alternator combines installation-friendly features with reliable electrical performance for a broad range of GM vehicles.

Features:

• Brand: Powermaster

• Part Number: 48237

• Application: GM vehicles using the AD244-style alternator configuration

• Output: 220 amps

• Voltage: 12 volts

• Connector: OEM 4-pin connection

• Pulley: 6-rib serpentine pulley

• Housing: Aluminum case

• Finish: Natural

• Quantity: Each