Headlight Switch - 1AZHS00266

Warranty & Shipping
Product Reviews
Vehicle Fit


  • Brand New Headlight Switch
  • Direct replacement
  • Built to strict quality control standards

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are 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.

4.62/ 5.0
8 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Works as expected
Works like expected. Hasnt been long but it was easy to install.
May 31, 2018
Both light switch and sway bars arrived promptly. Light switch has been installed and working great. Thx for good products.
July 9, 2018
Order lost by post office! Quick replacement sent!!
My original order was lost by the USPS in my home town. 1A Auto representative verified it was lost and quickly sent a new one no questions asked!! Part works great. Life long customer for sure. Great work!!
September 28, 2018
Headlight Switch
As always quick delivery, good price and great product. Easy install, works as advertised.
October 7, 2018
Installed in a snap!
First replacement was from a junk yard...lasted barely six months. Now it’s good as new.
October 25, 2018
Best around:
I have purchased a few items with 1a auto and I plan on using them for my future truck part purchases. Great parts and awesome prices. Quick and easy returns with no questions asked! So far the best place I can find for original parts.
October 27, 2018
This part was really easy to order and came in really fast. It was easy to install as well. Its a great part.
November 20, 2018
2006 Silverado switch
Bought the first one and switch itself works but the light that show up on didn’t light around dimmer switch in the dark They sent me another one and it was same way Maybe defect or maybe normal?
January 2, 2019
Will this fit my car? Add a vehicle to make sure
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Year Make Model Description
2003-2006Cadillac Escalade Cadillac Escalade Headlight Switch
2003-2006Cadillac Escalade ESV Cadillac Escalade ESV Headlight Switch
2003-2006Cadillac Escalade EXT Cadillac Escalade EXT Headlight Switch
2003-2006Chevy Avalanche 1500 Chevy Avalanche 1500 Headlight Switch
2003-2006Chevy Avalanche 2500 Chevy Avalanche 2500 Headlight Switch
2003-2006Chevy Silverado 1500 Chevy Silverado 1500 Headlight Switch
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic Headlight Switch
2003Chevy Silverado 1500 HD Chevy Silverado 1500 HD Headlight Switch
2005-2006Chevy Silverado 1500 HD Chevy Silverado 1500 HD Headlight Switch
2007Chevy Silverado 1500 HD Classic Chevy Silverado 1500 HD Classic Headlight Switch
2003-2004Chevy Silverado 2500 Chevy Silverado 2500 Headlight Switch
2003-2006Chevy Silverado 2500 HD Chevy Silverado 2500 HD Headlight Switch
2007Chevy Silverado 2500 HD Classic Chevy Silverado 2500 HD Classic Headlight Switch
2003-2006Chevy Silverado 3500 Chevy Silverado 3500 Headlight Switch
2007Chevy Silverado 3500 Classic Chevy Silverado 3500 Classic Headlight Switch
2003-2006Chevy Suburban 1500 Chevy Suburban 1500 Headlight Switch
2003-2006Chevy Suburban 2500 Chevy Suburban 2500 Headlight Switch
2003-2006Chevy Tahoe Chevy Tahoe Headlight Switch
2003-2006GMC Sierra 1500 GMC Sierra 1500 Headlight Switch
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic Headlight Switch
2003GMC Sierra 1500 HD GMC Sierra 1500 HD Headlight Switch
2005-2006GMC Sierra 1500 HD GMC Sierra 1500 HD Headlight Switch
2007GMC Sierra 1500 HD Classic GMC Sierra 1500 HD Classic Headlight Switch
2003-2004GMC Sierra 2500 GMC Sierra 2500 Headlight Switch
2003-2006GMC Sierra 2500 HD GMC Sierra 2500 HD Headlight Switch
2007GMC Sierra 2500 HD Classic GMC Sierra 2500 HD Classic Headlight Switch
2003-2006GMC Sierra 3500 GMC Sierra 3500 Headlight Switch
2007GMC Sierra 3500 Classic GMC Sierra 3500 Classic Headlight Switch
2003-2006GMC Yukon GMC Yukon Headlight Switch
2003-2006GMC Yukon XL 1500 GMC Yukon XL 1500 Headlight Switch
2003-2006GMC Yukon XL 2500 GMC Yukon XL 2500 Headlight Switch
2003-2007Hummer H2 Hummer H2 Headlight Switch
Part #: 1AZHS00266

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

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