Coolant Breather Line, Rear. Porsche 958 Cayenne / 95B Macan / 970 Panamera 3.0L Diesel 2011-18  ❭  95810631401

Coolant Breather Line, Rear.

The Coolant Breather Line, Rear is a genuine Porsche cooling system component designed to allow controlled ventilation within the rear section of the engine’s coolant circuit. This breather line helps release trapped air from the cooling system, ensuring smooth and consistent coolant circulation.

Fits:

• Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2012-17
• Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
• Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

  
Diagram Ref No 12

What This Product Does:

• Allowing trapped air to escape from the coolant circuit
• Preventing air pockets within the cooling system
• Supporting consistent coolant flow
• Maintaining correct system pressure balance
• Helping ensure stable engine operating temperature

Symptoms Of Wear Or Failure:

• Coolant leaks near the rear of the engine
• Visible cracks, brittleness, or splits in the line
• Coolant smell from the engine bay
• Low coolant warning light
• Air in the cooling system after bleeding
• Fluctuating engine temperature
• Overheating due to trapped air pockets

Why Replacement Matters:

• Maintain proper coolant circulation
• Prevent air pockets and overheating
• Ensure stable system pressure
• Avoid coolant loss and breakdowns
• Protect the engine from costly heat damage

Related reference numbers
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95810631401

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