PCV Valve Breather Hose Assembly

Why This Part is Needed

Vital for your engine, the breather hose assembly ensures proper ventilation inside the crankcase. It controls air and vapor flow from the PCV valve, helping reduce harmful emissions and keeping engine oil clean. This helps prolong engine life and sustain efficiency.

How It Works

The hose connects the PCV valve to the intake system. As your engine runs, it produces gases inside the crankcase. This assembly guides these gases back into the intake to be safely burned, maintaining balanced air flow and pressure inside the engine.

What Happens If It’s Broken

If the hose cracks or leaks, unfiltered air can enter, causing rough idling, poor fuel economy, or even engine damage. Oil leaks and increased emissions are common symptoms. Timely replacement prevents costly repairs and keeps your car running smoothly.

Compatibility

• Legacy
• Tribeca