Breather Line. Porsche 95B.2 Macan 2.0L Petrol 2019-21  ❭  95B122909E

Breather Line.

The Breather Line is a OE MATCH ventilation hose designed to regulate pressure and safely route vapours within the engine or cooling system circuit (application dependent). This component helps maintain proper airflow and system balance by allowing trapped air or gases to vent correctly.

Fits:

• Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21

Diagram Ref No 1

What This Product Does:

• Allowing trapped air or vapours to vent safely
• Maintaining stable internal system pressure
• Supporting efficient coolant or ventilation circulation
• Preventing pressure build-up within connected components
• Helping ensure consistent engine or cooling system performance

Symptoms Of Wear Or Failure:

• Cracked, brittle, or split hose material
• Coolant or vapour leaks (depending on application)
• Engine bay smells
• Low coolant warning light (if coolant-related)
• Fluctuating engine temperature (if cooling system related)
• Poor ventilation performance
• Warning lights or fault codes in some cases

Why Replacement Matters:

• Maintain proper pressure regulation
• Prevent leaks and system imbalance
• Support reliable engine or cooling system performance
• Protect connected components from stress damage
• Avoid costly repairs caused by pressure-related failures

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B122909E

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