• Comes as a PAIR
    • Fits both the LH (Driver) & RH (Passenger) Sides
  • Replaces dealer part numbers: 25970914, 25970915
  • DOT (U.S. Dept. of Transportation) and SAE (Society of Automotive Engineers) approved.
  • Includes lens & housing
  • Bulbs not included
  • Correct for models where the grille extends into the headlights
Fit guaranteed
  • This pair of headlamps will install just as your originals do. You can use your existing hardware and wiring harnesses.
  • Save time and money with a direct fit. No trips to the hardware store or extra time trying to get the wiring to hookup.
  • 1A Auto has the most comprehensive warranty.
  • If this headlight set should fail to provide satisfactory performance you may exchange it.
  • 1A Auto Headlights are guaranteed to pass inspections in all 50 states. DOT (U.S. Dept. of Transportation) and SAE (Society of Automotive Engineers) approved.
  • Replacing discolored, scratched, dull or damaged headlights with a new pair from 1A Auto can increase your resale value by up to 10%.
  • A new pair of headlights can provide you with up to 50% more illumination than a dull, yellowed, sandblasted, broken or scratched headlight.
    • 1A Auto headlights can help you see farther at night and in poor driving conditions.
    • A new pair of headlights from 1A Auto can make you more visible to other traffic during heavy rain or wintry weather.
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:

These lights do not include bulbs. Occasionally lighting manufacturers do leave test 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.

4.9 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
New car feel
My old lights slowly hazed over the years , it's amazing how you forget how they looked new. Easy to install and well worth the price ! Nighttime is no longer a problem even in the worst conditions.
June 25, 2017
10 months ago
Looks like new again
Easy to install, it took me about 20 minutes to put in both of them. Made my 2005 Trailblazer look new!
July 28, 2017
9 months ago
1ALHP00411 headlight replacements
Were easy to install, providing much improved excellent lighting.
October 19, 2017
6 months ago
Great headlights and at a great price ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
June 22, 2017
1 year ago
Great parts at a fantastic price
The parts were quality match the original excellently and were installed by Marriott in less than an hour. They make the vehicle look that much better and safety wise at night driving.
I have to thank you for offering such good parts at great prices and quick deliveries.
August 29, 2017
8 months ago
Headlight assembly
Exactly what i ordered and fit perfect, very fast shipping
July 9, 2017
9 months ago
Headlight replacement for chevy blazer
purchased headlight set as gift for my nephew. Very pleased with the quality as well as customer service. Installed both in a snap after watching the video. Thanks much!!!
February 17, 2017
1 year ago
I purchased the pair of headlight. They showed up quick. The product is very compatible to the original s. The installation video was extremely helpful. I have already and I will in the future recommend your products, company, service and videos.
July 13, 2017
9 months ago
1ALHP00411-Chevy Headlight Pair
The new headlights were a perfect match and easy to install. The video on-line made it very easy to take off the grill.
March 30, 2017
1 year ago
Well made and price is greeat.
I ordered these lights as they were less than half the cost of the dealer price. They are well made and easy to install thanks to the 1AAuto video. I try to buy all the replacement parts that I need from 1AAuto. And the service people are great also.
February 9, 2017
1 year ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 2 questions Browse 2 questions and 4 answers
Why does it have an opening between the lights?
M R on Jul 1, 2017
BEST ANSWER: That is for models that have the center bar of the grille that goes into the assemblies.
Will these fit an SS Trailblazer?
Jake H on Apr 11, 2017
BEST ANSWER: Yes, these will be for any Trailblazer including your SS model as long as you have the full width grille bar.

Vehicle Fit

  • 2002-2005 Chevy Trailblazer Headlight Pair Full Width Grille Bar
  • 2006-2009 Chevy Trailblazer with Headlight Pair Full Width Grille Bar
  • 2002-2005 Chevy Trailblazer EXT Headlight Pair Full Width Grille Bar
  • 2006 Chevy Trailblazer EXT with Headlight Pair Full Width Grille Bar

This part replaces:

  • OE # 25970915
  • OE # 25970914
  • Partslink GM2503213, GM2502213
Part #: 1ALHP00411

How-to Video:

(07:56 min)