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Porsche // Boxster 986/987/981 (1997-2016) // Boxster 987 MKII 2.9L 2009-12
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- Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
- Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
The Radiator Coolant Breather Line is a OE MATCH cooling system component designed to vent trapped air from the radiator circuit and maintain proper cooling system pressure. This breather hose allows air and vapour to escape safely, ensuring efficient coolant circulation and consistent engine temperature control.
Fits:
- Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
- Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
Diagram Ref No 13
What This Product Does:
- Allowing trapped air to vent from the radiator circuit
- Preventing airlocks that reduce cooling performance
- Maintaining stable cooling system pressure
- Supporting steady coolant circulation
- Helping regulate engine operating temperature
Symptoms Of Wear Or Failure:
- Coolant leaks near the radiator or hose connections
- Cracked, brittle, or split 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 fittings
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Related, superseded, cross reference or alternative numbers for comparison.
PAB12108120
The product you are viewing cross references to these numbers