Water / Coolant Pumps

Water Pump & Housing.
The OE Match Water Pump & Housing is a high-quality replacement engine cooling system component designed to circulate coolant efficiently throughout the engine while providing an integrated mounting housing for secure installation. Manufactured to OE specifications for fit, flow rate and durability, this complete assembly helps maintain optimum engine operating temperatures and protects critical engine components from overheating.  

Fits:

• Porsche Boxster 987 MKII 2.9L 2009-12
• Porsche Boxster S 987 MKII 3.4L 2009-12
• 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 Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12

Diagram Ref No 1

The unit incorporates a precision-engineered water pump with an integrated housing, reducing installation complexity and ensuring correct alignment within the cooling system. Constructed from premium-grade aluminium and high-strength composite materials, with a precision-balanced impeller and durable bearing assembly, it is designed to deliver reliable coolant circulation under all driving conditions.   

What This Product Does:

• Circulates coolant throughout the engine and cooling system.
• Maintains the correct engine operating temperature.
• Prevents engine overheating.
• Promotes efficient heat transfer through the radiator.
• Supports consistent coolant flow under varying engine loads.
• Helps maintain optimum engine performance and fuel efficiency.
• Protects internal engine components from excessive heat.
• Forms an essential part of the engine cooling system.

Symptoms Of Wear Or Failure:

• Engine overheating or fluctuating coolant temperatures.
• Coolant leaks from the pump housing or shaft seal.
• Low coolant level warnings.
• Grinding, whining or squealing noises from the water pump bearing.
• Excessive play in the water pump pulley.
• Steam or coolant odour from the engine bay.
• Visible coolant residue around the pump housing.
• Cooling system fault warnings.
• Poor heater performance caused by inadequate coolant circulation.
• Engine damage resulting from prolonged overheating if left unresolved.

Why Replacement Matters:

• The water pump operates continuously whenever the engine is running and is exposed to constant coolant flow, pressure changes, heat cycles and mechanical loading. Over time, bearings can wear, seals may deteriorate and the impeller can become damaged or inefficient, reducing coolant circulation throughout the engine.
• A failing water pump can lead to coolant leaks, reduced cooling performance and engine overheating. Continued operation with insufficient coolant circulation can result in severe engine damage, including warped cylinder heads, blown head gaskets and premature wear of internal engine components.
• Replacing a worn water pump and housing assembly restores efficient coolant circulation and helps maintain stable engine operating temperatures. An OE Match replacement provides factory-style fitment, dependable sealing performance and long-lasting durability, ensuring reliable cooling system operation and helping preserve the performance, efficiency and longevity expected from your Porsche.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110603810

The product you are viewing cross references to these numbers

Drive belt for cars WITH Air con.



Fits:
Porsche 996 Carrera
Porsche 986 Boxster
Porsche 997 Carrera MKI
Porsche 987 Boxster MKI
Porsche 987C Cayman MKI

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610215168

The product you are viewing cross references to these numbers

Drive belt for cars WITH Air con.



Fits:
Porsche 996 Carrera
Porsche 986 Boxster
Porsche 997 Carrera MKI
Porsche 987 Boxster MKI
Porsche 987C Cayman MKI

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610215168

The product you are viewing cross references to these numbers

Drive belt for cars WITH Air con.



Fits:
Porsche 996 Carrera
Porsche 986 Boxster
Porsche 997 Carrera MKI
Porsche 987 Boxster MKI
Porsche 987C Cayman MKI

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610215168

The product you are viewing cross references to these numbers

Water pump gasket.



Fits:
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2006-08
Porsche 997 Turbo / GT2 2007-11
Porsche 997 GT3 3.6L 2007-09

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99710634000

The product you are viewing cross references to these numbers

Water pump gasket.



Fits:
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2006-08
Porsche 997 Turbo / GT2 2007-11
Porsche 997 GT3 3.6L 2007-09

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99710634000

The product you are viewing cross references to these numbers

Water pump gasket.



Fits:
Porsche 987.2 Boxster / Boxster S 2009-12
Porsche 981 Boxster / Boxster S / Boxster Spyder 2012-16
Porsche 982 (718) Boxster / Boxster S 2017>>
Porsche 987.2 Cayman / Cayman S 2009-12
Porsche 981 Cayman / Cayman S / Cayman GT4 2014-16
Porsche 982 (718) Cayman / Cayman S 2017>>
Porsche 997.2 2009-12
Porsche 991.1 2012-16
Porsche 991.2 2017>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB121091A

The product you are viewing cross references to these numbers

Water pump gasket. Porsche 997 / 991 / Boxster / Cayman



Fits:
Porsche 987.2 Boxster / Boxster S 2009-12
Porsche 981 Boxster / Boxster S / Boxster Spyder 2012-16
Porsche 982 (718) Boxster / Boxster S 2017>>
Porsche 987.2 Cayman / Cayman S 2009-12
Porsche 981 Cayman / Cayman S / CAyman GT4 2014-16
Porsche 982 (718) Cayman / Cayman S 2017>>
Porsche 997.2 2009-12
Porsche 991.1 2012-16
Porsche 991.2 2017>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB121091A

The product you are viewing cross references to these numbers

Water pump thermostat gasket set.
Porsche ref numbers: 9A110630500, 99970762540 9A110655800.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991 R / GT3 / GT3 RS 2014 >>

Click 'Zoom in' for large parts diagram.
Diagram Ref No 20, 21 and 22.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110630500SET

The product you are viewing cross references to these numbers

Water pump thermostat gasket.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991 R / GT3 / GT3 RS 2014 >>

Click 'Zoom in' for large parts diagram.
Diagram Ref No 20

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110630500

The product you are viewing cross references to these numbers

Water Pump Thermostat Insert.

This Wahler Water Pump Thermostat Insert is a Porsche 987.2 / 997.2 / 991.1 cooling system component designed to regulate coolant flow within the engine cooling circuit. Installed within the thermostat housing or water pump assembly, this thermostat insert opens and closes at predetermined temperatures to control coolant circulation between the engine and radiator.

Fits:

• Porsche Boxster 987 MKII 2.9L 2009-12
• Porsche Boxster S 987 MKII 3.4L 2009-12
• 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 Turbo 2010-13
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12

Diagram Ref No 21

What This Product Does:

• Regulates coolant flow through the engine cooling system
• Maintains optimal engine operating temperature
• Controls engine warm-up and cooling efficiency
• Works with the water pump to ensure effective coolant circulation
• Helps prevent overheating and overcooling
• Supports fuel efficiency and emissions performance

Symptoms Of Wear Or Failure:

• Engine overheating
• Engine running too cool or warming up slowly
• Fluctuating temperature gauge readings
• Poor heater performance inside the cabin
• Coolant leaks around the thermostat housing    
• Reduced fuel economy caused by incorrect operating temperature
• Check engine light related to cooling system faults  

Why Replacement Matters:

• Restores proper coolant flow and temperature regulation
• Prevents overheating and potential engine damage
• Improves engine efficiency and fuel economy
• Ensures reliable heater and climate control operation
• Protects cooling system components from excessive wear and stress
• Maintains long-term engine reliability and performance

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110622503

The product you are viewing cross references to these numbers

Thermostat on water pump.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991 R / GT3 / GT3 RS 2014 >>

This part number has been superseded from previous numbers:
- 9A110622502

Click 'Zoom in' for large parts diagram.
Diagram Ref No 21

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110622503

The product you are viewing cross references to these numbers

Thermostat on water pump.

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991 R / GT3 / GT3 RS 2014 >>

This part number has been superseded from previous numbers:
- 9A110622501
- 9A110622502

Diagram Ref No 21

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110622503

The product you are viewing cross references to these numbers

Water Pump to Thermostat Housing Tube.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2013-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981 Cayman 2013-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991 2012>>
Porsche 991 Turbo / GT2 RS 2014>>
Porsche 991 R / GT3 / GT3 RS 2014>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB121076

The product you are viewing cross references to these numbers

Water pump tube gasket.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 Carrera / Turbo 2009-12
Porsche 991.1 Carrera / Turbo 2013-16
Porsche 991.2 Carrera / Turbo 2017>>
Porsche 991 GT3 / GT3 RS / R 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB121139

The product you are viewing cross references to these numbers

Water pump tube gasket.



Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 Carrera / Turbo 2009-12
Porsche 991.1 Carrera / Turbo 2013-16
Porsche 991.2 Carrera / Turbo 2017>>
Porsche 991 GT3 / GT3 RS / R 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB121139

The product you are viewing cross references to these numbers