Replaces

2000-2000 Chevy Astro 105 Amp Alternator

Part Details

  • Voltage / Wattage / Amperage Rating: 105 Amp

This part replaces:

  • NSA ALT-1420
  • Lester 8231-5

  • New

Specifications:

  • Brand New Alternator
  • 105 Amps
  • No core charge
  • Direct replacement
  • Built to strict quality control standards

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. Disconnect the battery (1:03)
    • Use your 8 mm wrench to disconnect the negative battery terminal
  2. Remove the serpentine belt (1:13)
    • Locate your serpentine belt routing diagram.
    • Use your 3/8 drive ratchet to release tension from the belt tensioner pulley
    • Remove the serpentine belt.
  3. Remove the alternator (2:00)
    • Unbolt the three 15 mm bolts
    • Pry up the alternator and remove the 13 mm lead bolt.
    • Unplug the alternator from the wiring harness.
  4. Install the new alternator (4:10)
    • Use a rubber mallet to work the alternator and 15 mm mounting bolts back into place.
    • Secure the 15 mm bolts with your socket and ratchet.
    • Plug in the wiring harness and connect the lead with your 13 mm socket and ratchet.
  5. Install the serpentine belt (6:33)
    • Check the serpentine belt for flaws, cracks or frays on the smooth side.
    • Use your routing diagram to route the belt.
    • Release the tension from the belt tensioner pulley to get the belt over the last pulley.
  6. Reconnect the battery (7:00)
    • Reconnect the negative battery terminal with your 8 mm wrench.

Tools needed for replacement:

    General Tools

  • Rubber Mallet

  • Ratchets & Related

  • 3/8 Inch Drive Ratchet
  • Ratchet

  • Sockets - Metric

  • 15mm Socket
  • 13mm Socket

  • Wrenches - Metric

  • 8mm Wrench

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How-to Video:

(07:25 min)

Tools List:

    General Tools

  • Rubber Mallet

  • Ratchets & Related

  • 3/8 Inch Drive Ratchet
  • Ratchet

  • Sockets - Metric

  • 15mm Socket
  • 13mm Socket

  • Wrenches - Metric

  • 8mm Wrench



This part replaces:

  • NSA ALT-1420
  • Lester 8231-5

Vehicle Fit

  • 2000 Chevy Astro 105 Amp Alternator
  • 1998 Chevy Blazer S10 105 Amp Alternator
  • 1999-2000 Chevy Blazer S10 105 Amp Alternator
  • 1998-2000 Chevy S10 Pickup 105 Amp Alternator for V6 4.3L
  • 1998 GMC Envoy 105 Amp Alternator
  • 1999-2000 GMC Envoy 105 Amp Alternator
  • 1998 GMC Jimmy S-15 105 Amp Alternator
  • 1999-2000 GMC Jimmy S-15 105 Amp Alternator
  • 1998-2000 GMC S-15 Sonoma 105 Amp Alternator for V6 4.3L
  • 2000 GMC Safari 105 Amp Alternator
  • 1998-2000 Isuzu Hombre 105 Amp Alternator for V6 4.3L
  • 1998-2000 Olds Bravada 105 Amp Alternator
Only 2 left in stock
Part #: 1AEAL00023

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