NEW OEM Tesla Cybertruck Front Window Regulator Mechanism Left Hand 1873120-00-B

Restore smooth, reliable power window operation with the NEW OEM Tesla Front Window Regulator Mechanism - Left Hand (Part Number: 1873120-00-B), engineered specifically for Tesla Cybertruck applications. This genuine Tesla window regulator mechanism is responsible for raising and lowering the driver's side front door glass with precision and consistency. Designed to integrate seamlessly with the factory power window motor and door glass, the regulator ensures smooth movement, accurate alignment, and proper sealing against the weatherstripping for maximum cabin comfort and protection. Manufactured from high-strength automotive-grade steel with a precision cable-drive mechanism, reinforced guide rails, and durable polymer components, this regulator is engineered to withstand continuous operation, vibration, temperature extremes, and demanding daily use while maintaining long-term reliability.

Disconnect the 12V electrical system according to Tesla service procedures
Remove the interior door trim panel and moisture barrier
Inspect the window motor, door glass, guide channels, and mounting hardware for wear or damage
Remove the existing regulator mechanism carefully
Install the replacement regulator using OEM mounting locations
Reconnect the window motor and verify proper cable routing
Ensure the door glass is correctly aligned within the guide channels
Test full window operation and perform window calibration if required
Professional installation by a qualified Tesla or EV technician is recommended