Chevy Headlight Pair - 1ALHP00411

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Warranty & Shipping
How-To & Tools
Product Reviews
Vehicle Fit

Part Details

  • Quantity:   Pair

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

Uses same wiring as original assembly.  No cutting or splicing required.

DOT and SAE Compliant

Meets federal regulations for on-road use

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

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.

Bulb Note:

These lights do not include bulbs.  If you happen to receive a product with bulbs, the bulbs are for testing and not covered under our warranty.  Our warranty applies to the light assembly only.

  1. step : Removing the Grille (1:09)
    • Press the clips on the grille with a flat blade screwdriver
    • Pry out the grille
    • Remove the grille
  2. step : Removing the Headlight (2:10)
    • Pry up on the tabs on the headlight with a flat blade screwdriver
    • Pull the headlight out
    • Disconnect the wiring harnesses
    • Remove the headlight
  3. step : Servicing the Bulbs (4:45)
    • Peel off the backing from the socket
    • Remove the metal rod
    • Twist the bulb socket counterclockwise out of the light
    • Pull the bulb off of the socket
    • Push on the new bulb
    • Twist the bulb clockwise into the light
    • Insert the metal rod
    • Press the caps on to the light
  4. step : Installing the Headlight (5:59)
    • Connect the wiring harnesses
    • Insert the headlight into place
  5. step : Installing the Grille (7:07)
    • Snap the grille into place

Tools needed for replacement:

    Screwdrivers & Related

  • Flat Blade Screwdriver

4.75/ 5.0
24 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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
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
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
Great headlights and at a great price ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
June 22, 2017
New car feel
My old lights slowly hazed over the years , its 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
Headlight assembly
Exactly what i ordered and fit perfect, very fast shipping
July 9, 2017
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
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
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. Thanks
August 29, 2017
headlamp assembly
They fit perfectly and were easy to install. The only downfall is they could have had a more premium set of bulbs installed in them or give you an option to upgrade the bulbs in the assembly
September 24, 2017
1ALHP00411 headlight replacements
Were easy to install, providing much improved excellent lighting.
October 19, 2017
2006 Chevy Trailblazer headlight assembly
the assemblies seamed to be of good quality the drivers side headlight did not work so we took the lamp from the existing assembly and installed it in the new assembly.
November 1, 2017
Fit perfect. Easy to install with your video
I really appreciate all you do to help us with our repairs. I have used your videos on nunerous occasions Parts always work. Never had a return. Thank you.
November 30, 2017
head ligh lens & tailgate piston
great value and quality saved over !00.00 thanks again Bill Kellhy
December 3, 2017
1ALHP00411-Chevy Headlight Pair
I am very well pleased with this product. The workmanship is much better than the other imitations that I had purchased. These headlights arrived very well packaged. Installation was a breeze. Adjustment was also very easy. Overall these replacements were the closest to the originals in my opinion.
December 3, 2017
1A Auto Cares About Customers
Received both headlights promptly. However, 1 was damaged and I thought I was going to have to ship it back. On the contrary, the customer service representative that I spoke with said to keep it and made the arrangements for another one to be shipped out ASAP no questions asked. I found this odd since most businesses would likely want the damaged goods shipped back just to make sure the damage wasnt done by the customer before issuing a refund. FYI... the headlights were a perfect fit and the price was great... cheaper than anything I could find!! Lastly, I just purchased another product from 1A Auto and even though I may have payed a little more for this particular item, I wanted the peace of mind that goes along with online shopping knowing that 1A Auto is a first class outfit all the way and they care about customers.
March 1, 2018
Only thing I didnt car for is when I was replacing my bulbs with the cheap ones that came with the headlamps...The 3 finger areas for the bulb are all the same size, so I had to be care installing into the correct position for operation of the bulbs
May 10, 2018
Fit is perfect
Fit is perfect only complaint I have is the light pattern they throw out not as good as the originals. They seem to throw out a striped kind of pattern. But I can see going down the road at night again so thats a major plus. 1A AUTO <<< TOP Notch in service and delivery!
May 27, 2018
Chevy Headlight Purchase
Purchase of headlights was quick and easy. Received the parts in about 4 days. The lights were packaged very well to prevent damage during shipment. Installation was simple and was direct match to the OEM. Online video instructions are very helpful also. I will be purchasing more parts 1A Auto!! Thanks, Mike
June 21, 2018
Excellent Replacements
Highly recommend this set of replacement Headlight assemblies for The Chevy TrailBlazer. Made my Truck look better and allows me to see with full visibility, as my original set was yellowed and severely clouded.
July 11, 2018
Head lights came quickly. My ride looks brand new! No more driving with brights on, these light up the sky!! Well worth the price!
August 14, 2018
Nice fit, but flimsy bulb sockets
These were a nice fit on the vehicle, but when I went to put in different headlight bulbs, the metal retainers for the bulbs were flimsy and I had to bend them in order to get a secure fit.I am worried that this may prove to be a problem over time...
September 28, 2018
Happy with product and receiving the delivery the next day,
Had a little trouble with the web site taking my card. Called the toll free number and talked to agreat CUSTOMER SERVICE person. He helped me with my card, found a better .package deal, and I didn’t have to work through understanding his perfect English. I have used 1A several times and have not had any issues. Parts were perfect and were received at my front door the next day!
December 12, 2018
2003 Trailblazer
Value is great, free shipping and had the parts in two Days. Your info videos are great and make many jobs much easer.
January 10, 2019
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Will these fit an SS Trailblazer?
Jake H April 11, 2017
Yes, these will be for any Trailblazer including your SS model as long as you have the full width grille bar.
Alex P April 11, 2017
Why does it have an opening between the lights?
M R July 1, 2017
Thats where the center bar on the grille snaps on
Kelsy N July 1, 2017
That is for models that have the center bar of the grille that goes into the assemblies.
Tim K July 2, 2017
Part of the grill clicks into the headlights
Michelle S July 7, 2017
Year Make Model Description
2002-2005Chevy Trailblazer Chevy Trailblazer Full Width Grille Bar Headlight Pair
2006-2009Chevy Trailblazer Chevy Trailblazer Full Width Grille Bar Headlight Pair
2002-2005Chevy Trailblazer EXT Chevy Trailblazer EXT Full Width Grille Bar Headlight Pair
2006Chevy Trailblazer EXT Chevy Trailblazer EXT Full Width Grille Bar Headlight Pair
Part #: 1ALHP00411

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(07:56 min)