Rear Door Center Sash LH — Window Frame Support for Nissan SUVs ?

Why this part is needed

This left-side rear door sash is the vertical frame that divides the moving glass and the fixed pane. It keeps the window aligned, supports the weatherstrip, and stiffens the door shell. With a healthy sash, the glass runs smoothly, the door shuts solidly, and wind noise stays low. It also helps keep water out and preserves correct latch geometry ?

How it works

The sash bolts and clips to the inner door frame, forming the center pillar of the window area. It houses the glass run channel, so the regulator can guide the glass straight up and down. The metal profile resists flex, while the sealing channel presses the rubber tight to stop drafts and rain ??

What happens if it’s broken

Expect rattles, slow or sticking window travel, water leaks, and whistling at speed. The glass may tilt, stressing the regulator and cracking weatherstrips. In severe corrosion or impact, the door can feel flimsy and may not seal or align correctly, affecting cabin comfort and safety.

Key benefits

Precise fit, restores window guidance, reduces noise, and prevents moisture ingress. Ideal for accident repair or rust replacement ✅

Compatibility

• Safari
• Patrol