GMC Tail Light Pair - 1ALTP00277

Part Details

  • Quantity: Pair

  • New

These replacement tail lights are just what you need to get your vehicle in good looking form again!


  • Comes as a PAIR
    • Fits both LH (Driver Side) & RH (Passenger Side)
  • Replaces dealer part numbers: 15844158, 15844159
  • Assemblies include lenses and housings
  • Department of Transportation (DOT) & Society of Automotive Engineers (SAE) approved
  • Direct replacements
  • Built to strict quality control standards
  • Bulbs and wiring not included
  • Correct for Fleetside Models
  • Do not fit the following models:
    • Stepside
    • 3500 Dually

Note: For 2007 models, this pair fits the old body style or Classic style truck. The Classic style truck has a crease that runs down the center of the door skin. New body styles have a smooth door skin.

These tail lights make great replacements and have good cost savings over dealer parts.

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. Removing the Tail Light (0:50)
    • Lower the tailgate
    • Remove the two 10mm bolts on the side of the tail light assembly
    • Pull the light out, twist out the bulbs
    • Unplug the wiring harness
  2. Installing the New Tail Light (2:05)
    • Transfer the wiring to the new tail light
    • Twist in the bulbs
    • Plug in the wiring harness
    • Insert the tail light into place
    • Insert the two 10mm bolts
    • Close the tailgate

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 10mm Socket

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How-to Video:

(03:09 min)

Tools List:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 10mm Socket

Vehicle Fit

  • 2004-2006 GMC Sierra 1500 Tail Light for Models with Fleetside Bed Pair
  • 2007 GMC Sierra 1500 Classic Tail Light with Fleetside Bed Pair
  • 2005-2006 GMC Sierra 1500 HD Tail Light Pair
  • 2007 GMC Sierra 1500 HD Classic Tail Light Pair
  • 2004 GMC Sierra 2500 Tail Light Pair
  • 2004-2006 GMC Sierra 2500 HD Tail Light Pair
  • 2007 GMC Sierra 2500 HD Classic Tail Light Pair
  • 2004-2006 GMC Sierra 3500 Tail Light Pair Single Rear Wheels (SRW)
  • 2007 GMC Sierra 3500 Classic Tail Light Pair Single Rear Wheels (SRW)
  • 2004-2006 GMC Sierra Denali 1500 Tail Light Pair
  • 2007 GMC Sierra Denali 1500 Classic Tail Light Pair
$ 107.95
Save 45%
List: $195.68 Save: $87.73
Part #: 1ALTP00277

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Customer Feedback

Customer Feedback
"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
- Dwuan M.
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hablamos Español:866-401-3393
For Orders Placed By 5pm Est