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Porsche // Boxster 986/987/981 (1997-2016) // Boxster 986 2.7L 2003-04
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Coolant Hose - Expansion Tank To Bleeder Valve. Porsche 718 (982) Boxster & Cayman 2.0L / 2.5L 2017>> - 982121637A
982121637A/1
Vehicle Group
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Information
Coolant Hose - Expansion Tank To Bleeder Valve.
Ensure proper cooling system ventilation and coolant circulation with the Coolant Hose – Expansion Tank to Bleeder Valve. This OE MATCH hose connects the expansion tank to the bleeder valve, allowing trapped air to escape and helping maintain correct system pressure during engine operation.
Fits:
Diagram Ref No 5
What This Product Does:
Symptoms Of Wear Or Failure:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982121637A
The product you are viewing cross references to these numbers
Ensure proper cooling system ventilation and coolant circulation with the Coolant Hose – Expansion Tank to Bleeder Valve. This OE MATCH hose connects the expansion tank to the bleeder valve, allowing trapped air to escape and helping maintain correct system pressure during engine operation.
Fits:
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Diagram Ref No 5
What This Product Does:
- Allows trapped air to escape during coolant circulation
- Helps prevent air pockets in the cooling system
- Supports stable coolant pressure regulation
- Maintains consistent engine operating temperature
- Promotes efficient coolant flow throughout the system
Symptoms Of Wear Or Failure:
- Coolant leaks near the expansion tank or bleeder valve connection
- Low coolant warning light or frequent coolant top-offs
- Sweet coolant smell from the engine bay
- Coolant residue or staining around hose fittings
- Cracks, splits, or brittle hose material
- Air trapped in the cooling system, causing gurgling sounds
- Fluctuating engine temperature or inconsistent temperature gauge readings
- Overheating, especially after coolant service or refilling
- Steam from under the hood in severe cases
- This hose plays a key role in allowing the cooling system to properly vent air and maintain stable pressure. If it becomes cracked, brittle, or blocked, air can remain trapped in the system, leading to inconsistent coolant circulation and temperature fluctuations.
- Failure to replace a worn hose may result in coolant leaks, pressure imbalance, overheating, and reduced cooling efficiency. Air pockets in the system can also place additional strain on other cooling components.
- Replacing the hose helps ensure proper system bleeding, prevents leaks, and protects the engine by maintaining reliable temperature control and cooling system performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982121637A
982121637A
The product you are viewing cross references to these numbers
Price: £22.37
In stock
Related products
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Information
Water hose. Return Line.
Fits:
Porsche 987 Boxster / Boxster S 2005-08 (I480 / I481)
Porsche 987c Cayman / Cayman S 2006-08 (I480)
Porsche 986 All manual 1997-2004 (I480) / (I481)
* I480 - 6-speed manual transmission
* I481 - 5th-speed manual transmission
This product supersedes Porsche's old part numbers:
- 996 106 222 15
Click "Zoom in" to see the diagram.
Diagram ref no 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610622217
The product you are viewing cross references to these numbers
Fits:
Porsche 987 Boxster / Boxster S 2005-08 (I480 / I481)
Porsche 987c Cayman / Cayman S 2006-08 (I480)
Porsche 986 All manual 1997-2004 (I480) / (I481)
* I480 - 6-speed manual transmission
* I481 - 5th-speed manual transmission
This product supersedes Porsche's old part numbers:
- 996 106 222 15
Click "Zoom in" to see the diagram.
Diagram ref no 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610622217
99610622217
The product you are viewing cross references to these numbers
Price: £45.22
In stock
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
Information
Water hose.
Fits:
Porsche 986 Boxster / Boxster S 1997-04
This product supersedes Porsche's old part numbers:
- 99610655701
- 99610655702
Click "Zoom in" to see the diagram.
Diagram ref no 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610655703
The product you are viewing cross references to these numbers
Fits:
Porsche 986 Boxster / Boxster S 1997-04
This product supersedes Porsche's old part numbers:
- 99610655701
- 99610655702
Click "Zoom in" to see the diagram.
Diagram ref no 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610655703
99610655702
99610655701
996106557023
The product you are viewing cross references to these numbers
Price: £109.73
Orderable
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
Information
Coolant hose. Thermostat housing to water pipe.
Fits:
Porsche 986 Boxster 1997-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610650206
The product you are viewing cross references to these numbers
Fits:
Porsche 986 Boxster 1997-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610650206
99610650206
99610650204
99610650203
The product you are viewing cross references to these numbers
Price: £99.15
In stock
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
Information
Coolant hose. Thermostat housing to water pipe.
Fits:
Porsche 986 Boxster 1997-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610650206
The product you are viewing cross references to these numbers
Fits:
Porsche 986 Boxster 1997-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610650206
99610650206
99610650204
99610650203
911612-035
The product you are viewing cross references to these numbers
Price: £45.00
In stock