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192 reviewsBoost 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.
- Glass With Backing: This is glass which comes attached to the plastic backing which will simply snap to your motor. All of the glass with backing comes equipped with defrost. If called out as signal glass, it will also have a red signal integrated into the glass.
- Glass Only: This is just a piece of glass, nothing else. You will need to glue or tape this onto your existing backing. It does NOT come with the defrost or signal elements.
Cross References to GM OEM numbers: 23444110 & 23444109
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
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Great Customer Service
I was very pleased with my experience. My father broke the glass on my mirror and I thought I had to buy an entire pair, but Joe in customer service not only sent me the link for the replacement glass but also preselected all of the options I needed to make my order worry and hassle free

Parts
Products are always good from boost auto. Just bummed I paid for 2 day shipping and it took a week to be delivered.

Perfect fit
Great mirror, exactly like the original , that I broke. Good price fast delivery.

Replacement mirror glass
Great easy to find what I need with simple email

Great Product
Quick, thorough, an easy. Great quality replacement!