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Water Tank Breather Hose. Porsche 95B Macan S / Turbo 2014-18 ❭ 95B122447D
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
The Water Tank Breather Hose is a OE MATCH cooling system component designed to vent air and regulate pressure within the coolant expansion tank (water tank). This hose allows excess air and vapour to escape safely, helping maintain stable cooling system pressure and efficient coolant circulation.
Fits:
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Diagram Ref No 9
What This Product Does:
- Allowing trapped air and vapour to vent from the expansion tank
- Maintaining correct cooling system pressure balance
- Preventing airlocks within the coolant circuit
- Supporting efficient coolant recovery and circulation
- Helping ensure stable engine temperature regulation
Symptoms Of Wear Or Failure:
- Coolant leaks near the expansion tank area
- Cracked, brittle, or weakened hose material
- Coolant smell from the engine bay
- Low coolant warning light
- Air in the cooling system after bleeding
- Fluctuating engine temperature readings
- Coolant residue around hose connections
Why Replacement Matters:
- Maintain correct cooling system pressure
- Prevent airlocks and coolant loss
- Protect the engine from overheating damage
- Restore efficient coolant circulation
- Avoid costly repairs caused by cooling system failure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B122447D
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

Fits:
Porsche 958 Cayenne S / GTS 4.8ltr V8 - 2010 to 2017
Porsche 958 Cayenne turbo / turbo S - 2010 to 2017
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810626101
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

Fits:
Porsche 958 Cayenne S / GTS 4.8ltr V8 - 2010 to 2017
Porsche 958 Cayenne turbo / turbo S - 2010 to 2017
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810631101
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Breather Line, Radiator To Bleeder Valve.
Maintain proper cooling system ventilation and temperature control with the Breather Line, Radiator to Bleeder Valve. This OE MATCH breather line is designed to connect the radiator to the bleeder valve, allowing trapped air and vapor to escape from the cooling system for improved circulation and efficiency.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Diagram Ref No 8
What This Product Does:
- Vents air from the radiator circuit
- Helps prevent air pockets that can restrict coolant flow
- Supports proper cooling system bleeding
- Maintains stable coolant pressure
- Helps regulate engine operating temperature
Symptoms Of Wear Or Failure:
- Coolant leaks near the radiator or bleeder valve connection
- Low coolant warning light
- Frequent coolant top-offs
- Sweet coolant smell from the engine bay
- Coolant residue or staining around fittings or clamps
- Cracked, brittle, or leaking line material
- Air trapped in the cooling system, causing gurgling sounds
- Fluctuating engine temperature or unstable gauge readings
- Overheating, especially after coolant service or refilling
- Steam from under the hood in severe cases
- Replacing a worn breather line is important because it ensures trapped air can properly escape from the cooling system. Over time, heat and coolant exposure can cause the line to crack, harden, or leak.
- If the breather line fails, air pockets may form in the radiator circuit, reducing coolant circulation and cooling efficiency. This can lead to unstable engine temperatures, overheating, and potential engine damage.
- Installing a new breather line helps maintain proper system bleeding, prevent leaks, and protect the engine by supporting reliable cooling system performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810631050
The product you are viewing cross references to these numbers
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