Engine Coolant Breather Line. Porsche 95B.2 Macan S 3.0L Petrol 2019-21  ❭  PAC121692A

Engine Coolant Breather Line.

The Engine Coolant Breather Line is a genuine Porsche cooling system component designed to vent trapped air and regulate pressure within the engine’s coolant circuit. This breather hose ensures proper coolant circulation by preventing air pockets that can disrupt cooling efficiency.

Fits:

• Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
  
  

Diagram Ref No 23

What This Product Does:

• Allowing trapped air and vapour to vent from the coolant circuit
• Preventing airlocks that reduce cooling efficiency
• Maintaining correct cooling system pressure
• Supporting steady coolant circulation
• Helping stabilise engine operating temperature

Symptoms Of Wear Or Failure:

• Coolant leaks near the hose or fittings
• Cracked or brittle hose material
• Coolant smell from the engine bay
• Low coolant warning light
• Difficulty bleeding the cooling system
• Fluctuating or rising engine temperature
• Coolant residue around hose connections

Why Replacement Matters:

• Maintain correct cooling system pressure
• Prevent airlocks and circulation issues
• Protect the engine from overheating damage
• Restore reliable coolant flow
• Avoid costly repairs caused by cooling system failure

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Related, superseded, cross reference or alternative numbers for comparison.

PAC121692A

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