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If you would like to speak to an associate via phone, please call us directly.
Customer Service Hours:
Monday - Friday: 9 am - 5 pm CST
(765) 831-2830
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Boost Auto Parts offers a full range of replacement upper glass compatible with all OEM and aftermarket Silverado and Sierra tow mirrors. Please reference the graphic to determine which glass is correct for your vehicle.
Cross References to GM OEM numbers: 23444110 & 23444109
Vehicle fitment | Fitment note |
Installation Videos:
- Install for OEM Mirrors: https://youtu.be/G0LC9P-Ejfo
- Install for Aftermarket Mirrors: https://youtu.be/8iEwSH3E3Fk
Installation Documents:
- Install for 3.5" Glass: HERE
- Install for 4.5" Glass: HERE
- Install for OEM 5" Glass: HERE
- Install for Glass Only: HERE
You should compare your mirror to the pictures shown in the graphic on the product page content.
We would recommend purchasing the 5" with backing and signal for those with OEM mirrors.
Alternatively, you can purchase glass only with signal cutout.
Yes, we also offer the lower glass at the below link.
Link to lower glass: https://boostautoparts.com/products/replacement-mounts-lower-glass
All of the glass with backing does come with defrost.
The defrost is part of the backing, therefore it is NOT included if you purchase glass only.
Glass only is just a piece of glass that must be glued to your existing backing. It is a cheaper alternative to replacing the entire glass with backing.
If equipped, the signal on the glass is red. We do not offer any other color.
Unfortunately we do not offer any glass combinations not listed on this page.
The tolerance on the measurement is +/- 1/4". If your motor falls within that tolerance you should be okay.
If it's not within the tolerance, please email sales@boostautoparts.com with pictures of your old glass (front and back) and the motor it mounts to so we can assist.
Contact us with pictures of your glass (front and back) as well as the motor. You can email sales@boostautoparts.com
We utilize different glass depending on the build. Please measure your glass to ensure you get the proper glass.
Alternatively, you can email sales@boostautoparts.com with your name or order number and we can let you know which glass to purchase.
If you don't know for sure, simply select the option stating "Not Boost Auto" to ensure you don't have any compatibility issues.
This fits all vehicles with 2015 style mirrors (aftermarket or OEM). Please be sure to review the graphic to ensure you get the correct glass.
We might be biased, but we think the choice is clear. Boost is better...because of this:
Good quality OEM product, item was perfectly packaged and the glass for my towing mirrors was a perfect match. I would highly recommend Boost Auto Parts to my friends and family here in Canada.
A little finicky to get it just right but with some patience and trial and error it’s good as new
If you would like to speak to an associate via phone, please call us directly.
Monday - Friday: 9 am - 5 pm CST
(765) 831-2830
We're available to answer all of your questions. Click on the ‘chat’ icon in the bottom right corner of your screen.
Monday - Friday: 9 am - 5 pm CST
If your matter isn't urgent or it's outside of our customer service hours, you can email us at support@boostautoparts.com and we'll get back to you within 1 - 2 days of your inquiry.
We tend to think we've got some of your questions covered. If we aren't available, you can always check out our company FAQ page