Left Roof Vent Louver — Fresh Air Control for Minibus Cabin

This left-side roof vent louver guides outside air into the cabin and shields the opening from rain, insects, and road debris. It keeps passengers comfortable, supports demisting, and helps remove heat and odors—especially on long routes or in hot climates.

Why you need it ✅

Without a healthy vent louver, airflow drops, the cabin gets stuffy, and the HVAC works harder. This part restores proper ventilation, reduces wind noise, and protects the ventilator housing and headliner from water splash.

How it works ⚙️

Angled fins shape the air stream. At speed, ram air enters through the grille; at low speeds, it assists the fan by reducing back-pressure. The outer profile deflects rain, while drain paths route water away from the roof opening. It mounts to the ventilator frame using factory tabs and fasteners.

What happens if it’s broken ❗

Cracked or missing fins cause rattles, whistling, weak airflow, and water ingress. Expect foggy windows, hotter cabin, dust/fume intrusion, stained headliner, and possible corrosion around the roof aperture. In severe cases, the cover can detach at speed.

Fit and install

Direct-fit piece made from UV-stable plastic for long service. Swap with basic tools: align tabs, seat the seal, tighten evenly, and check for uniform gap and proper latch action.

Compatibility

• Coaster