Specifications:
  • Brand New Taillights
  • Fits LH (Driver Side)
  • Bulbs not included
  • Direct replacements
  • Built to strict quality control standards

NOTE: For 2010-11 models, you must verify the backup light bulb number. This tail light is correct for models with 921 backup light bulbs, not 3047.

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.

Bulb Note:

Unless otherwise noted, our lights do not include bulbs, though occasionally lighting manufacturers do include bulbs in the lights. If you happen to receive a lighting product (Headlight, Tail light, parking light, fog light etc.) that comes with the bulbs, the bulbs are not covered under our warranty. Our warranty applies only to the light assembly.

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Vehicle Fit

  • 2010-2011 Chevy Silverado 1500 with 921 Backup Light Bulb Tail Light Driver Side
  • 2010-2011 Chevy Silverado 2500 HD with 921 Backup Light Bulb Tail Light Driver Side
  • 2010-2011 Chevy Silverado 3500 with 921 Backup Light Bulb Tail Light Driver Side
  • 2011 GMC Sierra 1500 3500 Denali with 921 Backup Light Bulb with Dual Rear Wheels (DRW) Tail Light Driver Side
  • 2010-2011 GMC Sierra 3500 with 921 Backup Light Bulb with Dual Rear Wheels (DRW) Tail Light Driver Side
  • 2011 GMC Sierra Denali 3500 HD with 921 Backup Light Bulb with Dual Rear Wheels (DRW) Tail Light Driver Side

This part replaces:

  • OE # 20840271
  • OE # 20840273
  • Partslink GM2800249
  • Hollander 166-02297L
  • TYC 11-6222-90
  • DEPO 335-1933L-AFN
Only 4 left in stock
Part #: 1ALTL01610

Ships Same Day for orders placed by 4 P.M. ET