Replaces

1983-1985 Chevy Impala Alternator 66-78 Amp

  • New

Specifications

  • 78 Ampere Alternator

Fit guaranteed

  • This NEW alternator will install just as your original does.
  • Designed to fit your original engine brackets.
  • Your existing wiring harness will attach with no modification.
  • Installation Instructions (pdf) included in English, Spanish, and French

Quality

    • This Alternator will give you trouble free performance
    • Each unit is individually tested.
      • You'll receive a report with your alternator that shows its performance.
      • Example (pdf)
  • New vs. Remanufactured
    • Nothing is more frustrating than pulling off the side of the road with a failed alternator. That is why we carry only new alternators which are 94% more reliable than remanufactured alternators.
    • Our Alternators are 100% NEW. Castings, pulleys, fans, hardware, internal parts, etc. are all new.
    • No Core Charge; No hassling with an old core
This replacement 78 Amp Alternator is just what you need to get your vehicle in good working order again. If your battery is no longer being charged completely, or at all, this Alternator may be the solution for you.

Ensure fit

  • Please verify the picture matches the alternator in your vehicle. If you think there is a difference please call us to toll free 888-844-3393 to verify fit.
  • For some vehicles we provide the VIN engine code to match. Match the 8th digit (5th digit on 1979 and earlier) of your VIN number to the VIN code in the title.
  • Examples
  • 1975 Buick Apollo Alternator 250ci (5th VIN Digit D) With A/C 63 Amp
    If you have a 1975 Buick Apollo you want to make sure the 5th digit of your VIN is D and you have Air Conditioning
    1973 Buick Centurion Alternator 455ci With A/C 63 Amp
    This alternator will fit a '73 Centurion with a 455 cubic inch engine and Air Conditioning.
  • Your vehicles VIN number can be found in the lower left corner of the windshield or on your registration.

Shipping Note:

Sorry, but we can only ship this product to physical addresses in the U.S. Continental 48 states.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. Disconnecting the Battery (0:54 in the video)
    • Disconnect the negative battery cable with an 8mm wrench
  2. Removing the Alternator (1:12 in the video)
    • Disconnect the alternator wiring harnesses
    • Pull back the battery lead boot
    • Remove the 10mm nut behind the battery lead boot
    • Pull off the battery lead
    • Loosen the 15mm bolt from the front of the alternator
    • Loosen the 14mm bolt on the front of the alternator
    • Pull the alternator toward the center of the vehicle
    • Pull the serpentine belt off the alternator pulley
    • Remove the 15mm bolt
    • Remove the 14mm bolt
  3. Preparing the New Alternator (2:59 in the video)
    • Remove the bolt that holds the bracket to the old alternator
    • Transfer the bracket to the new alternator
    • Insert the 15mm bolt into the new alternator
  4. Installing the New Alternator (3:15 in the video)
    • Push the alternator into place
    • Start the 14mm bolt by hand
    • Start the 15mm bolt by hand
    • Push the alternator toward the center of the vehicle
    • Pull the serpentine belt on to the alternator pulley
    • Use a pry bar to hold the alternator in place
    • Tighten the 14mm bolt
    • Tighten the 15mm bolt
    • Tighten the 15mm bolt into the bracket
    • Connect the alternator wiring harness
    • Connect the battery lead to the alternator
    • Fasten the 10mm bolt on to the alternator
    • Put on the battery lead boot
  5. Reconnecting the Battery (6:52 in the video)
    • Reconnect the negative battery cable
  6. Checking the Serpentine Belt (6:04 in the video)
    • Start the vehicle
    • Run the engine briefly
    • Check the tension of ther serpentine belt
    • If the belt is loose, tighten the alternator bolts

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Screwdrivers & Related

  • Pry Bar

  • Sockets - Metric

  • 10mm Socket
  • 14mm Socket
  • 15mm Socket
  • 8mm Socket

  • Wrenches - Metric

  • 8mm Wrench

How-to Video:

(07:14 min)

Tools List:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Screwdrivers & Related

  • Pry Bar

  • Sockets - Metric

  • 10mm Socket
  • 14mm Socket
  • 15mm Socket
  • 8mm Socket

  • Wrenches - Metric

  • 8mm Wrench




Vehicle Fit

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  • 1983-1985 Buick LeSabre Alternator 66-78 Amp
  • 1983 Buick Park Avenue Alternator 66-78 Amp
  • 1983-1984 Buick Regal Alternator 66-78 Amp
  • 1983-1984 Buick Skylark Alternator 66-78 Amp
  • 1985-1986 Chevy Camaro Alternator 66-78 Amp
  • 1983-1985 Chevy Caprice Alternator 66-78 Amp
  • 1984 Chevy Celebrity Alternator 66-78 Amp
  • 1983-1984 Chevy Citation Alternator 66-78 Amp
  • 1983 Chevy El Camino Alternator 66-78 Amp
  • 1983-1985 Chevy Impala Alternator 66-78 Amp
  • 1983 Chevy Malibu Alternator 66-78 Amp
  • 1983 Chevy Monte Carlo Alternator 66-78 Amp
  • 1983 GMC Caballero Alternator 66-78 Amp
  • 1983 Olds Calais Alternator 66-78 Amp
  • 1982-1984 Olds Ciera Alternator 66-78 Amp
  • 1983 Olds Cutlass Cruiser RWD Alternator 66-78 Amp
  • 1983 Olds Cutlass Supreme RWD Alternator 66-78 Amp
  • 1983-1985 Olds Delta 88 Alternator 66-78 Amp
  • 1983-1984 Olds Omega Alternator 66-78 Amp
  • 1983 Pontiac Bonneville Alternator 66-78 Amp
  • 1985-1986 Pontiac Firebird Alternator 66-78 Amp
  • 1983 Pontiac Grand Prix Alternator 66-78 Amp
  • 1983 Pontiac LeMans Alternator 66-78 Amp
  • 1984-1985 Pontiac Parisienne Alternator 66-78 Amp
  • 1983-1984 Pontiac Phoenix Alternator 66-78 Amp
$107.95
Save 41%
List: $182.95 Save: $75.00
Only 0 left in stock
Part #: 1AEAL00048

- Ships in 1-3 Business Days. Delivery times vary.

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"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
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