Specifications:

  • Brand New Lighting Kit
  • Comes as a 3 Piece Kit
    • Fits LH (Driver Side)
  • Direct replacement
  • Built to strict quality control standards
Direct Fit Replacement

Direct fit replacement for OEM assembly

Trouble-free Installation

Light uses same wiring as the original assembly, providing easy, trouble-free installation.  No cutting or splicing required.

DOT and SAE Compliant

DOT & SAE compliant: meets federal regulations for on-road use

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. step : Handling the Bulbs (0:50)
    • Note: DO NOT TOUCH the bulbs- the oil from your fingers will burn into the light and foul your bulb.
    • Clean with rubbing alcohol and a soft cloth if the bulbs do get touched.
  2. step : Remove the old headlight assembly (0:50)
    • Pop the hood and secure it.
    • Remove the two anchor pins securing the head light assembly by twisting and pulling them up.
    • Remove the head light assembly.
    • Unplug the bulbs and harness.
  3. step : Install the new headlight assembly (1:35)
    • Plug in your bulbs, replacing them with new ones if necessary.
    • Reconnect the harness by clipping it in.
    • Line up the head light assembly and clip it into place.
    • Put the two pins back into place to secure the head light assembly.
    • Close the hood and enjoy your new 1A Auto headlights.

Tools needed for replacement:

    1A - No Tools Needed

  • No Tools Needed

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Vehicle Fit

  • 1999-2000 GMC Sierra 1500 3 Piece Set Lighting Kit Driver Side
  • 2001 GMC Sierra 1500 3 Piece Set Lighting Kit Driver Side (excluding C3 Models)
  • 2002-2006 GMC Sierra 1500 3 Piece Set Lighting Kit Driver Side (excluding Denali Models)
  • 2007 GMC Sierra 1500 Classic 3 Piece Set Lighting Kit Driver Side
  • 2001-2003 GMC Sierra 1500 HD 3 Piece Set Lighting Kit Driver Side
  • 2005-2006 GMC Sierra 1500 HD 3 Piece Set Lighting Kit Driver Side
  • 2007 GMC Sierra 1500 HD Classic 3 Piece Set Lighting Kit Driver Side
  • 1999-2004 GMC Sierra 2500 3 Piece Set Lighting Kit Driver Side
  • 2001-2006 GMC Sierra 2500 HD 3 Piece Set Lighting Kit Driver Side
  • 2007 GMC Sierra 2500 HD Classic 3 Piece Set Lighting Kit Driver Side
  • 2001-2005 GMC Sierra 3500 3 Piece Set Lighting Kit Driver Side
  • 2007 GMC Sierra 3500 Classic 3 Piece Set Lighting Kit Driver Side
  • 2000-2006 GMC Yukon 3 Piece Set Lighting Kit Driver Side (excluding Denali Models)
  • 2000-2006 GMC Yukon XL 1500 3 Piece Set Lighting Kit Driver Side (excluding Denali Models)
  • 2000-2006 GMC Yukon XL 2500 3 Piece Set Lighting Kit Driver Side

This part replaces:

  • TYC 20-5568-00-1
  • TYC 12-5104-01-1
  • Hollander 114-00956L
  • Hollander 116-1066L
  • OE # 15798919
  • OE # 16526135
  • OE # 15199560
  • Partslink GM1221121
  • Partslink GM2502188
  • Partslink GM2520174
Part #: 1ALHT00204


How-to Video:

(03:05 min)