SCITOO Driver Side Mirror Glass for 2003-2006 Chevy Silverado — Left OEM-Shape with 4.53" Mounting Back Plate

SCITOO driver side replacement mirror glass engineered to fit 2003–2006 Chevy Silverado and compatible GM trucks, offering an exact-shape OEM-style glass with a pre-attached 4.53" mounting back plate for straightforward installation.

When a side-view mirror glass is cracked or missing, visibility and safety are compromised — but you don't need to replace the entire mirror assembly. This SCITOO replacement glass matches OEM part numbers GM1324102, 88944391 and others listed, delivering the correct contours and mounting configuration for many GM full-size trucks and SUVs from the early 2000s. It’s a cost-effective way to restore sightlines and preserve the vehicle's original appearance without dealer markup.

Will this mirror glass fit my 2003–2006 Chevy Silverado driver side?

Check fit by comparing your existing mirror’s shape and the OEM numbers before ordering. SCITOO’s glass is designed to replace specific GM part numbers and includes a pre-attached 4.53" mounting back plate to match the factory attachment method.

• Compatible OEM numbers: GM1324102, 88944391, 128-04034L, 56318.
• Vehicle fits include 2003–2006 Chevy Silverado (and many GM trucks/SUVs listed).
• Measure your existing glass and verify the contour matches before purchase.

How easy is it to install the SCITOO replacement driver side mirror glass?

Installation is designed to be simple for most DIYers: the mirror glass comes with the mounting back plate already attached so it snaps into the existing housing. No specialist tools are typically required, but keep a cloth and plastic pry tool handy to avoid scratching the housing during replacement.

• Pre-attached 4.53" mounting back plate for direct fitment.
• Snap-in installation into the factory mirror housing.
• Typical install time: 10–30 minutes depending on experience.

What vehicles and mirror types is this SCITOO glass compatible with?

This left-side driver mirror glass was manufactured to replace broken glass on a range of GM full-size trucks and SUVs from the early 2000s. It fits the left (driver) side mirror and is intended as a glass-only replacement, not a complete mirror head or housing.

• Fits: 2003–2006 Chevy Silverado; compatible with Avalanche, Suburban, Tahoe models in similar years.
• Also fits: Cadillac Escalade ESV/EXT and GMC Sierra, Yukon XL variants where same OEM number applies.
• Sold as: single left (driver) side mirror glass—housing and motor not included.

How does this replacement compare to dealer parts in quality and price?

SCITOO offers an aftermarket mirror glass that matches OEM fit and mounting characteristics while typically costing a fraction of dealer prices. Materials and fitment focus on restoring function and appearance without the higher labor or parts premium from dealerships.

• OEM-style fit at lower aftermarket cost.
• Direct-fit mounting plate included to reduce installation hassle.
• Ships as a single left-side glass piece—quick, affordable remedy for cracked mirrors.

Who is this for: This SCITOO driver-side mirror glass is intended for owners of 2003–2006 Chevy Silverados and compatible GM trucks or SUVs who need a direct-fit, affordable glass replacement. It’s best for do-it-yourselfers and independent mechanics seeking a precise-shape glass with the correct OEM numbers (GM1324102, 88944391, etc.) and an included mounting back plate to simplify the swap. Always verify your current mirror shape and part number before ordering to ensure a correct match.