ACDelco 13566578 OE Alternator with Pulley, Serpentine Belt

The ACDelco 13566578 is an original equipment (OE) classification alternator. It converts mechanical energy from the engine into electrical power for the vehicle. It works alongside the battery to supply the lights, interior electronics and other electrical loads, and it is the central part of the charging system.

Key Features:

• OE classification alternator, built to meet the design intent of the original charging system
• Pulley included
• Serpentine belt pulley type
• External fan not included
• External regulator not included

This alternator is sold as a single unit. It is a replacement for the vehicle's charging system and helps keep electrical output steady during daily driving.