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Coolant Hoses - Centre Section
By OE Match
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Coolant Hose Product ref No. 99710672307 Radiator hoses have an important job to transport your engines coolant to and from its cooling system components. Over time they can become dry, hard, brittle, or leak which warrants a replacement. When replacing we also recommend a coolant flush and replacement to remove any possible sludge formed over time. This is also known as product Ref No. 99710672306, 99710672305, or 99710672304
Engine Coolant Hose Failure SymptomsCracking- Leaking- Swelling- Deterioration 
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710672307
99710672307
99710672306
99710672305
99710672304
The product you are viewing cross references to these numbers
Price: €23.40
Arriving soon
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Coolant return hose, LEFT
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710672803
The product you are viewing cross references to these numbers
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710672803
99710672803
The product you are viewing cross references to these numbers
Price: €32.76
Arriving soon
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Coolant return hose, RIGHT.
High-quality OE Match replacement coolant line designed to match the original Porsche factory hose in shape, dimensions, and performance. It serves as the right-side return path in the engine cooling system, helping ensure efficient coolant circulation and temperature regulation.
Fits:
Porsche 987 Boxster 2005 - 2008
Porsche 987C Cayman 2006 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 987C.2 Cayman 2009 - 2012
Porsche 997.1 Carrera 2005 - 2008
Porsche 997.1 Turbo / GT3 2007 - 2008
Porsche 997.2 Carrera 2009 - 2012
Porsche 997.2 Turbo / GT3 2009 - 2013
Diagram ref no 32
The return hose carries coolant back toward the engine or radiator after it has circulated through the engine and thermostat housing. A failed or deteriorated hose can lead to coolant leaks, overheating, air ingestion into the cooling system, and potential engine damage if left unchecked. This OE Match replacement ensures a secure seal, proper flow path, and long service life.
This hose installs directly in place of the original with no modification required, making it ideal for repairs, cooling system maintenance, or replacing a soft or aged hose during service intervals.
The coolant return hose provides a pressure-rated, heat-resistant passage for engine coolant to return from the engine head/end tank area back into the cooling circuit. It is an integral part of the cooling loop that manages engine temperature and prevents overheating under load or hot conditions.
Function:
• Transports coolant through the return leg of the cooling system
• Maintains proper sealing and pressure under thermal cycles
• Helps prevent coolant leaks and air entry into the coolant circuit
Over time, coolant hoses degrade due to heat, pressure, and exposure to coolant and environmental factors. A cracked, swollen, or leaking hose can cause loss of coolant, engine overheating, and accelerated wear on other cooling components. Replacing old hoses with an OE Match coolant return hose restores proper coolant routing, improves cooling reliability, and reduces the risk of costly engine damage.
When to replace:
• Visible cracks, bulges, or soft spots in the hose
• Evidence of coolant weeping or staining
• Cooling system overheating or inconsistent temperature readings
• During timing belt or water pump service intervals
• At recommended maintenance intervals or when age-related wear appears
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710662403
The product you are viewing cross references to these numbers
High-quality OE Match replacement coolant line designed to match the original Porsche factory hose in shape, dimensions, and performance. It serves as the right-side return path in the engine cooling system, helping ensure efficient coolant circulation and temperature regulation.
Fits:
Porsche 987 Boxster 2005 - 2008
Porsche 987C Cayman 2006 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 987C.2 Cayman 2009 - 2012
Porsche 997.1 Carrera 2005 - 2008
Porsche 997.1 Turbo / GT3 2007 - 2008
Porsche 997.2 Carrera 2009 - 2012
Porsche 997.2 Turbo / GT3 2009 - 2013
Diagram ref no 32
The return hose carries coolant back toward the engine or radiator after it has circulated through the engine and thermostat housing. A failed or deteriorated hose can lead to coolant leaks, overheating, air ingestion into the cooling system, and potential engine damage if left unchecked. This OE Match replacement ensures a secure seal, proper flow path, and long service life.
This hose installs directly in place of the original with no modification required, making it ideal for repairs, cooling system maintenance, or replacing a soft or aged hose during service intervals.
The coolant return hose provides a pressure-rated, heat-resistant passage for engine coolant to return from the engine head/end tank area back into the cooling circuit. It is an integral part of the cooling loop that manages engine temperature and prevents overheating under load or hot conditions.
Function:
• Transports coolant through the return leg of the cooling system
• Maintains proper sealing and pressure under thermal cycles
• Helps prevent coolant leaks and air entry into the coolant circuit
Over time, coolant hoses degrade due to heat, pressure, and exposure to coolant and environmental factors. A cracked, swollen, or leaking hose can cause loss of coolant, engine overheating, and accelerated wear on other cooling components. Replacing old hoses with an OE Match coolant return hose restores proper coolant routing, improves cooling reliability, and reduces the risk of costly engine damage.
When to replace:
• Visible cracks, bulges, or soft spots in the hose
• Evidence of coolant weeping or staining
• Cooling system overheating or inconsistent temperature readings
• During timing belt or water pump service intervals
• At recommended maintenance intervals or when age-related wear appears
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710662403
99710662403
The product you are viewing cross references to these numbers
Price: €46.29
In stock
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Coolant supply hose, LEFT.
Fits:
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.1 Turbo / GT3 2007-08
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo / GT3 2009-13
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710662303
The product you are viewing cross references to these numbers
Fits:
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.1 Turbo / GT3 2007-08
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo / GT3 2009-13
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710662303
99710662303
The product you are viewing cross references to these numbers
Price: €46.29
In stock
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Coolant supply hose, RIGHT
Fits:
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.1 Turbo / GT3 2007-08
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710662703
The product you are viewing cross references to these numbers
Fits:
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.1 Turbo / GT3 2007-08
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo / GT3 2009-13
Click 'Zoom in' for large parts diagram.
Diagram ref no 30.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710662703
99710662703
The product you are viewing cross references to these numbers
Price: €32.18
Arriving soon
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Coolant Supply Hose.
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710671103
The product you are viewing cross references to these numbers
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710671103
99710671103
99710671102
99710671101
The product you are viewing cross references to these numbers
Price: €54.41
Delayed delivery
Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Distributor Return Line.
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710675104
The product you are viewing cross references to these numbers
Fits:
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
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99710675104
99710675104
The product you are viewing cross references to these numbers
Price: €94.36
Delayed delivery
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 Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- 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 Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- 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
- Porsche 997 MKII GT2 RS 2011-13
- 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 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- 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)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
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>>
Porsche 718 (982) Boxster Spyder 2019>>
Porsche 718 (982) Cayman 2017>>
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610680103
The product you are viewing cross references to these numbers
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>>
Porsche 718 (982) Boxster Spyder 2019>>
Porsche 718 (982) Cayman 2017>>
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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99610680103
99610680103
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Price: €4.50
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Vehicle Group
- 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
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Water pipe. RETURN LINE.
Fits:
Porsche 987 Boxster MKI 2005-08
Porsche 987 Boxster MKII 2009-12
Porsche 987C Cayman MKI 2006-08
Porsche 987C Cayman MKII 2009-12
Porsche 997 Carrera 3.6L / 3.8L MKI 2005-08 COUPE / CABRIO
Porsche 997 Carrera 3.6L / 3.8L MKII 2009-12 COUPE / CABRIO / TARGA
Porsche 997 TURBO / TURBO S / GT2 / GT2 RS 2007>>
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
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99710672003
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Fits:
Porsche 987 Boxster MKI 2005-08
Porsche 987 Boxster MKII 2009-12
Porsche 987C Cayman MKI 2006-08
Porsche 987C Cayman MKII 2009-12
Porsche 997 Carrera 3.6L / 3.8L MKI 2005-08 COUPE / CABRIO
Porsche 997 Carrera 3.6L / 3.8L MKII 2009-12 COUPE / CABRIO / TARGA
Porsche 997 TURBO / TURBO S / GT2 / GT2 RS 2007>>
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
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99710672003
99710672003
99710672001
99710672002
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Price: €49.73
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About Coolant Hoses - Centre Section
OEMatch Coolant Hoses - Centre Section — Durability, Sealing, Performance
OEMatch centre section coolant hoses for Porsche models circulate coolant between key components to regulate engine temperature and reduce the risk of overheating. These hoses support continuous flow and system pressure in vehicles with mid- or rear-mounted cooling routing, helping maintain reliable thermal control during varied use.
Available Types
- Reinforced rubber centre section hose for standard cooling circuits
- Silicone centre hose for elevated temperature tolerance
- Complete centre pipe assembly with integrated fittings
Understanding OEMatch Coolant Hoses - Centre Section
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original coolant hoses - centre section. OE (Original Equipment) refers to parts matching original specifications for the coolant hoses - centre section and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM coolant hoses - centre section engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Centre section hoses connect the radiator, water pump and engine across the vehicle centre, ensuring continuous circulation and consistent temperature regulation. OEMatch maintains a Porsche-focused catalogue with over 4,000 part numbers and more than 8,700 OE cross-references to support model coverage.
Benefits Include
- Restored, leak-free coolant circulation
- Improved temperature control and engine protection
- Components selected for heat and pressure resistance in Porsche cooling systems
Why Coolant Hoses - Centre Section Wear and Fail
- Age-related rubber hardening and cracking from heat cycling
- Clamp or joint deterioration leading to leaks
- Chemical degradation from coolant contaminants or abrasion against nearby parts
The Importance of Replacing with OEMatch Coolant Hoses - Centre Section
A weakened or leaking centre section hose can cause coolant loss and temperature instability, increasing the risk of overheating and potential engine damage. Replacing worn hoses as part of routine maintenance helps preserve cooling system integrity, reduces the likelihood of disruptive failures and supports ongoing engine reliability in Porsche models.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Made to original-spec dimensions for consistent performance
- Compatible with common mounting points and sealing methods used in Porsche cooling systems
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified. If fitting at home, protect nearby components and verify clamps and seals during reassembly.
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