Apple Watch Series 4 40mm back glasses

Restore the sleek look and structural integrity of your wearable with our Apple Watch Series 4 40mm back glass replacement components. Whether your device’s rear glass is cracked, scratched, or completely shattered, we offer precision-engineered replacements that ensure a seamless fit while preserving both aesthetics and water resistance.

Key Features & Benefits

OEM Quality Parts

• Genuine factory-extracted back glass components that match the original thickness, curvature, and material composition.
• Grade A parts are cosmetically flawless, while Grade B/C options provide cost savings with only minor surface marks.

Service-Pack Assemblies

• Complete rear-glass modules arrive with pre-installed adhesive foam for fast, bubble-free installation.
• Reliable sealing keeps dust and moisture out, ensuring your watch retains its original water resistance rating.

Precision Fit

• Laser-cut edges and factory-standard dimensions guarantee perfect alignment with internal components and gaskets.
• Maintains the smartwatch’s original IP certification, ensuring water resistance.

Versatile Compatibility

• Designed specifically for the Apple Watch Series 4 40mm model.
• Also compatible with Samsung Galaxy Watch 40mm–45mm models (Active, Watch 3–Watch 8).
• Additional options available for many other leading smartwatch brands—use our model filters to find an exact match.

Durable Construction

• Tempered, chemically reinforced glass resists scratches and everyday wear, keeping your watch looking new.