ACDelco 13565647 Alternator with Decoupler Pulley, 12V, 5-Groove Serpentine

The ACDelco 13565647 alternator (generator) is an original-equipment style replacement that supplies power to the vehicle's electrical system and keeps the battery charged while the engine runs. It is built for GM applications and has an internal regulator and an internal fan.

Key Features:

• Pulley included, with a decoupler (clutch) pulley
• Serpentine belt drive, 5 pulley grooves, 2.47 in outside pulley diameter
• Side mount design, 2.36 in between mounting feet
• Clockwise (right-hand) rotation
• Internal voltage regulator, one-wire capable
• Aluminum case with natural, uncoated finish
• Plug type 365, 2 terminals
• No AC service tap, no external fan or external regulator included
• Wire fusing and wire gauge are engineered for the GM application

Fan size and bracketry are designed to limit noise and vibration. Keep the electrical connections clean and tight so the alternator can charge the battery properly.