Check the listing for details. GM LS Alternator LS1 Truck 220 AMP AD244 4 Pin Connector 12V High Output Chrome. Condition: New. Listed at 149.98 USD. GM LS Truck Alternator - Chrome This GM AD244D style 220 AMP alternator, will produce 50% more power than stock OE alternators. Featuring an internal voltage regulator. Comes with the serpentine belt pulley. Great replacement for truck applications with the LS based engine (not suited for the car applications).Engineered to perform better than the original alternator in your vehicle.This High Output 220 AMP Chrome alternator will improve performance while adding shine to your engine compartment. Item Specs: Fits: 1999-2006 GM LS Based Trucks, Vans & SUV ApplicationsAD244 Alternator StyleBrand New Unit (not a reman)6-Groove Serpentine Pulley12V220 AmpsInternal Regulated4-Pin ConnectorChrome Finish *Notes: Not compatible with Car Applications