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Engine coolant expansion tank kit. Porsche 986 Boxster / 987.1 Boxster 1997-06 - COOLTANKKIT986.1
COOLTANKKIT986.1
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
Information
Engine coolant expansion tank kit.
The kit combines a coolant expansion tank, a pressure cap, and long-life antifreeze concentrate to deliver a complete coolant system refresh.
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2.7L / 3.2L 2005 - 2006 (9625, 9626)
Diagram ref no 8, 11, 26, 27
This OE Match kit is engineered for Porsche vehicles that utilise 99610614708 style expansion tanks - most commonly fitting Porsche Boxster 986 (1997-2004) and 987 (2005-2006) models. Always verify fitment with your specific year, engine and chassis before ordering.
The engine coolant expansion tank kit includes:
• 99610614708/1 × 1 – OE Match Coolant Expansion Tank: Precisely manufactured replacement reservoir designed to match the original Porsche part used on Boxster models. It collects excess coolant as it expands under heat and releases it back into the system as it cools down.
• 99610644704/1 × 1 – OE Match Expansion Tank Cap: A direct-fit cap that seals the coolant reservoir and helps maintain proper pressure in the cooling system, aiding heat control and preventing coolant loss.
• 00004330194 × 5 – Comma Antifreeze Coolant (1 L Red, 5-Year Concentrate): Premium antifreeze concentrated coolant that, when mixed correctly with water, delivers long-lasting protection against freezing, boiling, and corrosion.
This kit brings together all the primary components you need when servicing or refreshing the coolant expansion side of your engine’s cooling system.
The expansion tank accepts expanding coolant from the radiator and engine as temperatures rise, storing it safely and helping maintain correct coolant levels. The cap seals the system and maintains the right amount of pressure, allowing the cooling system to function efficiently. The antifreeze provided offers long-term protection against corrosion, freezing and overheating - crucial to preserving engine health and reducing wear.
Over time, the original plastic tank can become brittle or crack due to heat cycling and age, which may lead to leaks, coolant loss, or air infiltration that disrupts coolant circulation. A failing pressure cap can no longer maintain correct system pressure, reducing cooling efficiency. Replacing these components with OE Match parts helps restore reliable coolant containment and pressure stability - helping prevent costly overheating and engine damage.
Replace these parts when you notice any of the following conditions:
• Cracks or visible leaks around the expansion tank
• Discolouration or brittleness of plastic components
• Coolant level fluctuations without visible leaks
• Overheating symptoms or reduced cooling performance
• Routine coolant system maintenance interval is due
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
COOLTANKKIT986.1
The product you are viewing cross references to these numbers
The kit combines a coolant expansion tank, a pressure cap, and long-life antifreeze concentrate to deliver a complete coolant system refresh.
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2.7L / 3.2L 2005 - 2006 (9625, 9626)
Diagram ref no 8, 11, 26, 27
This OE Match kit is engineered for Porsche vehicles that utilise 99610614708 style expansion tanks - most commonly fitting Porsche Boxster 986 (1997-2004) and 987 (2005-2006) models. Always verify fitment with your specific year, engine and chassis before ordering.
The engine coolant expansion tank kit includes:
• 99610614708/1 × 1 – OE Match Coolant Expansion Tank: Precisely manufactured replacement reservoir designed to match the original Porsche part used on Boxster models. It collects excess coolant as it expands under heat and releases it back into the system as it cools down.
• 99610644704/1 × 1 – OE Match Expansion Tank Cap: A direct-fit cap that seals the coolant reservoir and helps maintain proper pressure in the cooling system, aiding heat control and preventing coolant loss.
• 00004330194 × 5 – Comma Antifreeze Coolant (1 L Red, 5-Year Concentrate): Premium antifreeze concentrated coolant that, when mixed correctly with water, delivers long-lasting protection against freezing, boiling, and corrosion.
This kit brings together all the primary components you need when servicing or refreshing the coolant expansion side of your engine’s cooling system.
The expansion tank accepts expanding coolant from the radiator and engine as temperatures rise, storing it safely and helping maintain correct coolant levels. The cap seals the system and maintains the right amount of pressure, allowing the cooling system to function efficiently. The antifreeze provided offers long-term protection against corrosion, freezing and overheating - crucial to preserving engine health and reducing wear.
Over time, the original plastic tank can become brittle or crack due to heat cycling and age, which may lead to leaks, coolant loss, or air infiltration that disrupts coolant circulation. A failing pressure cap can no longer maintain correct system pressure, reducing cooling efficiency. Replacing these components with OE Match parts helps restore reliable coolant containment and pressure stability - helping prevent costly overheating and engine damage.
Replace these parts when you notice any of the following conditions:
• Cracks or visible leaks around the expansion tank
• Discolouration or brittleness of plastic components
• Coolant level fluctuations without visible leaks
• Overheating symptoms or reduced cooling performance
• Routine coolant system maintenance interval is due
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
COOLTANKKIT986.1
99610614708
99610614703
99610614704
99610614705
99610614706
99610614707
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
1 x Coolant bottle. Porsche Boxster 986 / Boxster 987 1997-06 (99610614708/1
1 x Coolant reservoir / expansion tank cap. Porsche Boxster 986 / Boxster 987 / Cayman 987C / 996 / 997 (99610644704/1
5 x Antifreeze 1Ltr Concentrate Bottle 5 year Red (00004330194
Price: €209.35
In stock
Related products
Vehicle Group
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
Information
Water tank reservoir.
Fits:
Porsche 955 Cayenne 3.2L 2003-06 (D9J Engines)
Porsche 955 Cayenne 4.5L S / Turbo 2003-06 (T90 / T91 Engines)
Porsche 957 Cayenne 3.6L 2007-10
Porsche 957 Cayenne 3.0L DIESEL 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no. 1
Related reference numbers
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95510614723
The product you are viewing cross references to these numbers
Fits:
Porsche 955 Cayenne 3.2L 2003-06 (D9J Engines)
Porsche 955 Cayenne 4.5L S / Turbo 2003-06 (T90 / T91 Engines)
Porsche 957 Cayenne 3.6L 2007-10
Porsche 957 Cayenne 3.0L DIESEL 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no. 1
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95510614723
95510614723
95510614720
95510614721
95510614722
9551061472
56773
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Price: €104.13
In stock
Vehicle Group
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Information
Water reservoir filler neck cap.
Fits:
Porsche 955 Cayenne MKI 2003-06
Porsche 957 Cayenne MKII 2007-10
Porsche 958 Cayenne MKIII 2011>>
Diagram ref no 3
Related reference numbers
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95552860701
The product you are viewing cross references to these numbers
Fits:
Porsche 955 Cayenne MKI 2003-06
Porsche 957 Cayenne MKII 2007-10
Porsche 958 Cayenne MKIII 2011>>
Diagram ref no 3
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95552860701
95552860701
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Price: €5.50
Orderable
Vehicle Group
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Information
Water reservoir / expansion tank lid cover.
Fits:
Porsche 955 Cayenne 3.2L / S 4.5L V8 2004-06
Porsche 955 Cayenne 4.5L V8 TURBO 2003-06
Porsche 957 Cayenne 3.6L / S 4.8L V8 2007-10
Porsche 957 Cayenne 4.8L TURBO 2007-10
Porsche 957 Cayenne 3.0L DIESEL 2007-10
Porsche 970 Panamera S 2010-16
Porsche 970 Panamera GTS / TURBO 2010-13
Porsche 970 Panamera HYBRID 2012-16
Porsche 970 Panamera DIESEL 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510644720
The product you are viewing cross references to these numbers
Fits:
Porsche 955 Cayenne 3.2L / S 4.5L V8 2004-06
Porsche 955 Cayenne 4.5L V8 TURBO 2003-06
Porsche 957 Cayenne 3.6L / S 4.8L V8 2007-10
Porsche 957 Cayenne 4.8L TURBO 2007-10
Porsche 957 Cayenne 3.0L DIESEL 2007-10
Porsche 970 Panamera S 2010-16
Porsche 970 Panamera GTS / TURBO 2010-13
Porsche 970 Panamera HYBRID 2012-16
Porsche 970 Panamera DIESEL 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
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95510644720
107532
107 532
95510644720
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Price: €10.90
In stock