REGULATOR SUB-ASSY, REAR DOOR WINDOW, LH

Rear Left Door Window Lifter Mechanism ?

This rear left window mechanism is an important part of the door system. It holds the glass and moves it up or down smoothly when the window switch is used. A good working unit keeps the rear door glass stable, sealed, and safe during daily driving, off-road use, or bad weather.

Why This Part Is Needed ?

The side window must travel in a straight line inside the door. This assembly guides the glass and supports its weight, helping prevent shaking, jamming, or air noise. It is especially important on heavy-duty vehicles where door vibration and dust can wear old parts faster.

How It Works ⚙️

When the electric motor operates, the mechanism transfers movement through its arms, cable, or sliding track design. This raises or lowers the rear left glass with controlled force. Correct fitment allows the glass to close tightly against the weatherstrip for better cabin comfort.

Signs of a Broken Unit ⚠️

• Window drops inside the door
• Glass moves slowly, crooked, or stops halfway
• Clicking, grinding, or scraping noise
• Window switch works but glass does not move
• Water, wind, or dust enters through the door seal

Compatible Models

• Land Cruiser
• Land Cruiser S/T,H/T