VAICO V10-3963 Window Regulator for Audi A8 Quattro S8

The VAICO V10-3963 is a precision-engineered window regulator designed as a direct replacement for Audi A8 Quattro and S8 models. This aftermarket component delivers reliable performance for power window operation, restoring smooth and consistent window movement.

Key Features:

• Electric operating mode for power window systems
• Supplied without electric motor (motor sold separately)
• Direct replacement for OEM part numbers 4E0 839 461 B and 4E0 839 461 C
• Precision-manufactured to meet OE specifications
• Paired with article number V10-3962 for complete left/right set
• Quality construction designed for long-term durability

This window regulator includes the mechanical assembly and mounting hardware needed for installation. The unit provides the essential framework and gearing mechanism that works with your existing window motor to raise and lower the window glass. VAICO parts are engineered to deliver reliable performance and proper fitment for European vehicles.