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Coolant hose, return, Left. Porsche 996 C4/C4S - 99610672806
99610672806/1
Vehicle Group
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Information
Coolant hose, return, LEFT.
Left Side Return Hose, From right side radiator return pipe to under car return pipe.
Fits:
Porsche 996 C4 / C4S 1998-05
All-wheel drive (option code: 339)
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
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99610672806
The product you are viewing cross references to these numbers
Left Side Return Hose, From right side radiator return pipe to under car return pipe.
Fits:
Porsche 996 C4 / C4S 1998-05
All-wheel drive (option code: 339)
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
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99610672805
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Price: €18.00
In stock
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- Porsche Boxster 986 2.5L 1997-99
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- 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 Boxster 987 MKII 2.9L 2009-12
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- Porsche Boxster 981 2.7L 2012-16
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- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
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- Porsche 997 MK1 Carrera 2 3.6L 2005-08
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Information
O-ring – 46.7 x 3.53 – used in various applications within the car's cooling system.
Fits:
Porsche 987 Boxster 2005-12
Porsche 987 Cayman 2006-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 718 (982) Boxster 2017>>
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Porsche 996 GT3 / RS 1999-05
Porsche 996 Turbo / GT2 2001-05
Porsche 997 Carrera 2005-12
Porsche 997 Turbo / GT2 RS 2007-13
Porsche 997 GT3 / RS 2007-11
Porsche 991 Carrera 2012-19
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / RS 2014-21
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Fits:
Porsche 987 Boxster 2005-12
Porsche 987 Cayman 2006-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2014-16
Porsche 981 Cayman GT4 2016
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Porsche 718 (982) Cayman GT4 2019>>
Porsche 996 GT3 / RS 1999-05
Porsche 996 Turbo / GT2 2001-05
Porsche 997 Carrera 2005-12
Porsche 997 Turbo / GT2 RS 2007-13
Porsche 997 GT3 / RS 2007-11
Porsche 991 Carrera 2012-19
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / RS 2014-21
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Information
Reservoir Coolant Hose.
Diagram Ref No 6
What This Product Does:
Symptoms Of Wear Or Failure:
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982121625B
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Maintain reliable cooling system performance with the Reservoir Coolant Hose. This OE MATCH hose is designed to transfer coolant between the coolant reservoir (expansion tank) and the engine cooling system, helping ensure proper coolant circulation and stable system pressure.
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Diagram Ref No 6
What This Product Does:
- Moves coolant to and from the coolant reservoir
- Helps maintain proper coolant level and circulation
- Supports cooling system pressure balance during temperature changes
- Prevents overheating by ensuring consistent coolant flow
Symptoms Of Wear Or Failure:
- Coolant leaks near the reservoir or along the hose line
- Low coolant warning light
- Frequent coolant top-offs
- Sweet coolant smell from the engine bay
- Coolant residue or staining around hose connections
- Cracks, splits, or swelling in the hose material
- Soft, spongy, or brittle rubber texture
- Pressure-related seepage around clamps or fittings
- Engine running hotter than normal if coolant loss becomes severe
- Replacing a worn reservoir coolant hose is important because it helps maintain proper coolant circulation and supports stable cooling system pressure. Over time, heat and constant exposure to coolant can cause the hose to crack, weaken, or leak.
- If the hose fails, it may lead to coolant loss, poor pressure regulation, and overheating. Even small leaks can gradually reduce coolant levels and put the engine at risk of serious damage.
- Installing a new hose helps prevent leaks, restores reliable coolant flow, and protects the engine by keeping the cooling system operating efficiently.
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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:
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982121637A
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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.
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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.
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