\ Alternators & Starters \ ACDelco Professional NEW Alternators
ACDelco Professional NEW Alternators
Thoroughly tested and backed by competitive warranty coverage, ACDelco Professional NEW Alternators – for GM and non-GM vehicles – are manufactured using ISO Quality Standards. ACDelco Professional NEW Alternators use 100% new components. Finished units are 100% end-of-line-computer-controlled tested to ensure proper functionality, fit and long-term reliability. They feature a limited two-year warranty* and are available for popular volume applications on the road today.

* To the original retail purchaser. Parts only; installation not included. See your local retailer or independent service center that offers ACDelco parts for details.


  • New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent quality
  • All components are 100% new to provide improved performance and long-life reliability
  • Engineering enhancements to internal components are included to provide the latest, most efficient unit for your vehicle
  • Key components are 100% greased and lubricated to ensure long-term reliability in harsh conditions
  • All dimensions and key mounting surfaces and contact points are gauged and measured to ensure proper fit
    • Find out more about ACDelco Professional NEW Alternators and how they fit into the Starting and Charging System with the product facts below.

    FUNCTION:
    Provides power to the vehicle's electrical systems and charges the battery while the engine is running

    SIGNS OF WEAR:
    Engine doesn't turn over, loss of battery power, some loss of electrical power (dimming headlights, etc.), alternator warning light illuminates

    WHAT IT DOES:
    The Starting and Charging System starts the engine, maintains the battery's charge and provides power to the electrical accessories while the engine is running.
    Find a participating Independent Service Center
    When you need vehicle service, find an Independent Service Center near you for genuine ACDelco parts, expert advice and highly skilled technicians.
    Find by ZIP Code:
    *
    OR
    Find by City and State
    Find an ACDelco Parts Retailer
    If you have a project in mind and know which auto parts you need, contact an ACDelco Parts Retailer near you and get started.
    Parts List
      *
    Find by ZIP Code:
    *
    OR
    Find by City and State
    SEARCH PARTS CATALOG

    Already know what parts you need? Search our catalog and find a part number.

    Search by
    Vehicle
    Part Number
    Competitive Part Number
    Non-Automotive Parts
    SERVICE & MAINTENANCE

    Maintenance advice from ACDelco for technicians and DIYers alike.