Breather line. Porsche 970.1 Panamera >>2013  ❭  97010631001

Breather line
This OE match breather line is a direct replacement for the original Porsche coolant vent hose fitted to Porsche 970.1 Panamera models equipped with 3.6L and 4.8L petrol engines. It forms part of the engine cooling system and helps regulate coolant circulation, pressure equalisation, and venting within the cooling circuit.

Fits:
Porsche 970.1 Panamera 3.6L >>2013
Porsche 970.1 Panamera 4.8L S / GTS / Turbo >>2013

Diagram ref no 11

The breather line vents and circulates coolant within the engine cooling system, helping maintain correct coolant pressure, eliminate trapped air, and support stable engine operating temperatures.

Function
•  Connects coolant vent and expansion tank pipework
•  Helps eliminate trapped air from the cooling system
•  Supports coolant circulation and pressure regulation
•  Maintains stable engine operating temperatures
•  Reduces risk of coolant leaks and overheating

Cooling system vent hoses are constantly exposed to heat, coolant pressure, and vibration. Over time, the hose material can harden or crack, increasing the risk of coolant leaks and cooling system pressure loss. Replacing worn breather lines helps maintain reliable cooling system operation and reduces the risk of overheating or engine damage.

When to replace
•  Visible coolant leaks or staining
•  Cracked or brittle hose material
•  Cooling system pressure loss
•  Overheating or fluctuating coolant temperatures
•  During preventative cooling system maintenance
•  During radiator or expansion tank replacement

Related reference numbers
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97010631001

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