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Porsche
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Taycan (9J1) MK1 2020-2024
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9J1.1 Taycan 4 Cross Turismo 2020-24
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Engine Cooling
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Coolant Hoses and Pipes (Rear engine cars)
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Coolant Hoses - Radiator Section
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Radiator Coolant Vent Line, LEFT. Porsche 991.1 / 981 Boxster / 981C Cayman ❭ 99110676502
Radiator Coolant Vent Line, LEFT. Porsche 991.1 / 981 Boxster / 981C Cayman - 99110676502
99110676502/1
Vehicle Group
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Information
Radiator Coolant Vent Line, LEFT.
Diagram Ref No 30
What This Product Does:
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99110676502
The product you are viewing cross references to these numbers
Ensure proper cooling system operation with the Radiator Coolant Vent Line, LEFT. This OE MATCH vent line is designed to help remove trapped air from the radiator cooling circuit, supporting consistent coolant circulation and stable engine temperature control.
Fits:
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Diagram Ref No 30
What This Product Does:
- Vents air from the radiator cooling system
- Prevents air pockets that can restrict coolant flow
- Supports consistent coolant circulation
- Helps maintain stable engine operating temperature
- Reduces the risk of overheating
Symptoms Of Wear Or Failure:
- Coolant leaks near the radiator or along the vent line
- Low coolant warning light or frequent coolant top-offs
- Sweet coolant smell from the front of the vehicle
- Coolant residue or staining around fittings or connections
- Cracked, brittle, or leaking vent line material
- Air trapped in the cooling system, causing gurgling sounds
- Fluctuating engine temperature or inconsistent gauge readings
- Overheating, especially after coolant service or refilling
- Steam from under the hood in severe cases
- The radiator coolant vent line plays an important role in allowing trapped air to escape from the cooling system. If the line becomes cracked, brittle, or blocked, air pockets can form in the radiator circuit, reducing coolant flow and cooling efficiency.
- Failure to replace a damaged vent line may lead to coolant leaks, unstable system pressure, fluctuating engine temperatures, and an increased risk of overheating. Even small leaks can gradually reduce coolant levels and compromise performance.
- Replacing the vent line helps ensure proper system bleeding, maintains consistent coolant circulation, and protects the engine from heat-related damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99110676502
99110676502
The product you are viewing cross references to these numbers
Price: £24.35
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