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Porsche // Panamera 971 MK2 (2021-2023) // 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
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Coolant bottle. Porsche 996 2001 >> / 997.1 / 997.2 - 99610615704
99610615704/2
Vehicle Group
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
Information
Coolant bottle. Cap included.
The engine coolant expansion reservoir - a pressure-compensating overflow reservoir that collects excess coolant as the engine warms up and coolant expands, then returns coolant to the system as it cools down. It acts as a buffer to maintain correct coolant volume, system pressure, and prevent overflow or air ingress.
Fits:
Porsche 996 3.6L C2 / C4 / C4S 2001 - 2005
Porsche 996 Turbo 2001 - 2005
Porsche 996 GT2 2001 - 2005
Porsche 996 GT3 MKII / GT3 RS 2001 - 2005
Porsche 997.1 2005 - 2008 all models
Porsche 997.2 2009 - 2012 all models
This product supersedes Porsche's old part numbers:
- 99610615700, 99610615701, 99610615702, 99610615703, 99610615704
Over time, coolant expansion tanks are prone to degradation due to heat cycles, coolant chemical exposure, and pressure stress.
This can lead to:
• Cracks or stress fractures in the plastic tank body
• Leaks that cause coolant loss and risk of overheating or engine damage
• Loss of system pressure regulation, leading to air ingress, coolant boiling, or inefficient cooling
• Difficulty reading coolant level due to opaque or discolored plastic
Replacing the reservoir with a correctly-spec’ed tank ensures:
• Leak-free coolant containment under all operating conditions
• Proper coolant volume management through expansion and contraction cycles
• Stable cooling-system pressure and reliable thermal regulation
• Long-term reliability and prevention of coolant-related engine issues
You should replace the coolant expansion tank if you see cracks, coolant leaks, or coolant residue around or under the tank, especially after long periods of heat. If the plastic has become brittle, discoloured, or feels soft/warped, or if coolant level fluctuate without obvious cause — the tank may no longer maintain pressure or hold coolant reliably, and replacement is warranted.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610615704
The product you are viewing cross references to these numbers
The engine coolant expansion reservoir - a pressure-compensating overflow reservoir that collects excess coolant as the engine warms up and coolant expands, then returns coolant to the system as it cools down. It acts as a buffer to maintain correct coolant volume, system pressure, and prevent overflow or air ingress.
Fits:
Porsche 996 3.6L C2 / C4 / C4S 2001 - 2005
Porsche 996 Turbo 2001 - 2005
Porsche 996 GT2 2001 - 2005
Porsche 996 GT3 MKII / GT3 RS 2001 - 2005
Porsche 997.1 2005 - 2008 all models
Porsche 997.2 2009 - 2012 all models
This product supersedes Porsche's old part numbers:
- 99610615700, 99610615701, 99610615702, 99610615703, 99610615704
Over time, coolant expansion tanks are prone to degradation due to heat cycles, coolant chemical exposure, and pressure stress.
This can lead to:
• Cracks or stress fractures in the plastic tank body
• Leaks that cause coolant loss and risk of overheating or engine damage
• Loss of system pressure regulation, leading to air ingress, coolant boiling, or inefficient cooling
• Difficulty reading coolant level due to opaque or discolored plastic
Replacing the reservoir with a correctly-spec’ed tank ensures:
• Leak-free coolant containment under all operating conditions
• Proper coolant volume management through expansion and contraction cycles
• Stable cooling-system pressure and reliable thermal regulation
• Long-term reliability and prevention of coolant-related engine issues
You should replace the coolant expansion tank if you see cracks, coolant leaks, or coolant residue around or under the tank, especially after long periods of heat. If the plastic has become brittle, discoloured, or feels soft/warped, or if coolant level fluctuate without obvious cause — the tank may no longer maintain pressure or hold coolant reliably, and replacement is warranted.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610615704
99610615703
99610615704
99610615700
99610615701
99610615702
The product you are viewing cross references to these numbers
Price: £72.50
Arriving soon
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- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
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- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
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- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
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- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
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- Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S 2.9L V6 2021-23
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Information
Lid for water coolant expansion tank.
Fits:
Porsche 958 Cayenne 2011-18
Porsche 95B Macan 2014-18
Porsche 971.1 Panamera 2017- 21
Porsche 971.2 Panamera 2021>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810644700
The product you are viewing cross references to these numbers
Fits:
Porsche 958 Cayenne 2011-18
Porsche 95B Macan 2014-18
Porsche 971.1 Panamera 2017- 21
Porsche 971.2 Panamera 2021>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810644700
95810644700
The product you are viewing cross references to these numbers
Price: £15.50
In stock