Engine Air Intake Tube Assembly ️

This air intake tube is a key link between the air cleaner box and the engine intake. It is needed to deliver clean air in a steady flow, so the engine can mix air and fuel correctly and keep power, economy, and smooth idle where they should be.

How It Works

The tube guides filtered air into the throttle body/intake manifold. Its shape helps reduce turbulence, while flexible sections absorb engine movement and vibration. Tight connections and sealing lips stop unfiltered air from sneaking in, protecting the mass airflow sensor and keeping ECU readings accurate.

Signs It’s Failing & What Happens If Broken ⚠️

If the tube cracks, collapses, or the clamps loosen, the engine can pull “false air” after the filter. That may cause rough idle, hesitation, higher fuel use, whistling/hissing sounds, and check engine lights. Long-term driving with air leaks can lead to dirty throttle body, incorrect fuel trims, and increased wear from dust ingestion.

Why Replace It

• Restores proper air metering and throttle response
• Prevents unfiltered air from entering the engine
• Helps avoid recurring lean/rich fault codes

Compatibility ✅

• Land Cruiser
• Land Cruiser 100