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Water / Coolant Pumps
By OE Match
- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Water pump comes with a gasket and METAL impeller.
Fits:
Porsche Boxster 1997-04 cars with aircon
Porsche 996 C2/4 1997-04 cars with aircon
*if your car has no aircon you will have to swap the drive belt to part number 99610215165. You can edit all products in your basket.
Water pump kit with drive belt and standard temperature thermostat. Kit comes with all bolts and gasket needed to complete the job. Please note we advise to get additional antifreeze (approx 6 litres). Available separately.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WATERPUMP.996.1.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Water pump comes with a gasket and METAL impeller.
Fits:
Porsche Boxster 1997-04 Without aircon
Porsche 996 C2/4 1997-04 Without aircon
Water pump kit with drive belt and standard temperature thermostat. Kit comes with all bolts and gasket needed to complete the job. Please note we advise to get additional antifreeze (approx 6 litres). Available separately.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WATERPUMP.996.2.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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
The OE-Match water pump is a direct-fit replacement designed for Porsche 996 Turbo / GT-variants models. This replacement water pump provides consistent coolant circulation under varying engine loads - from everyday driving to spirited performance or track use. Its manufactured to OEM standards, allowing plug-and-play installation.
Fits:
Porsche 996 Turbo / GT2 2001 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 996 GT3 RS 2003 - 2004
Diagram ref no 2
The water pump circulates coolant from the radiator through the engine block and heads, then back to the radiator to reject heat. This circulation prevents the engine from overheating, preserves optimal combustion temperatures, and protects internal components under load or high temperature conditions. With correct flow rates and seal integrity, the OE Match pump ensures stable thermal management across all driving scenarios.
Over time and mileage, the original water pump can suffer from impeller wear, seal degradation, bearing fatigue or corrosion - especially given the demanding thermal environment of the 996’s flat-six engine. A failing pump can lead to reduced coolant flow, overheating, coolant leaks and potential engine damage. Replacing with a correctly specified OE Match unit restores reliable coolant circulation, prevents overheating, and prolongs engine life.
When to replace:
• Coolant leaks visible at pump housing or around gasket/seal area
• Overheating on idle, in traffic or under load - temperature gauge rising above normal
• Unusual noises from the pump area (bearing hum, whine, vibration)
• After many years or high mileage - as part of preventive maintenance (common recommendation every ~4-5 years / ~60,000 miles)
• As part of a cooling-system overhaul (radiator, hoses, thermostat, belt) to ensure all components are fresh and compatible
• If pump’s impeller shows signs of wear or internal corrosion during inspection
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WATERPUMP.996TT.1.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- 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 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
Sold each
Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 993 - 1994 to 1998
Porsche 997 - 2005 to 2012
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90037801301
The product you are viewing cross references to these numbers
- 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 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
This OE Match joining socket is a water pump housing connector used in the Porsche 911 cooling system. It is designed to connect the water pump housing and related coolant pipework, providing an OE-style fit and reliable sealing performance.
Sold individually,
Fits:
Porsche 996 Turbo 2001 - 2005
Porsche 996 GT3 2000 - 2005
Porsche 997 Turbo / GT2 2007 - 2009
Porsche 997 GT2 RS 2011
Porsche 997 GT3 2007 - 2011
Diagram ref no 17
The joining socket forms a secure connection point within the coolant circuit, allowing coolant to pass correctly between the water pump housing and connected fittings or pipe sections. It helps maintain coolant flow, supports engine temperature control, and prevents coolant leaks around the water pump housing area.
Functions
• Connects the water pump housing to coolant fittings or pipework
• Helps maintain correct coolant flow through the engine cooling system
• Provides a secure joining point between cooling system components
• Helps prevent coolant leaks at the water pump housing connection
• Supports reliable engine temperature regulation
• Restores correct fitment when replacing or servicing coolant pipes
• OE Match design for direct replacement and accurate installation
The water pump housing joining socket is exposed to constant heat cycles, coolant pressure, vibration, and age-related wear. Over time, the connector can corrode, crack, seize, or fail to seal correctly, leading to coolant leaks or poor cooling system reliability. Replacing it during water pump or coolant pipe service helps ensure a tight, secure connection and protects the engine from coolant loss or overheating.
When to Replace
• Coolant is leaking around the water pump housing or pipe connection
• The joining socket is cracked, corroded, damaged, or seized
• The cooling system has been dismantled for water pump or pipework repairs
• Coolant fittings or pipe bends are being replaced
• The original connector no longer seals correctly
• There are signs of coolant residue or staining near the connection
• As preventative maintenance during major cooling system work
This connector fits into the engine's cooling system, near the water pump housing. It connects the cooling system hoses or fittings to the water pump housing and can be used at several points in the cooling system, depending on the engine model and design. Some refer to it as a water pipe joining socket, water pump housing connector, or coolant pipe adapter.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610623871
The product you are viewing cross references to these numbers
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- 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 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Carrera GT 2003-06
Sold individually.
Fits:
Porsche 986 Boxster 1997-04
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2005-08
Porsche 993 Carrera 1994-98
Porsche 993 Turbo 1995-98
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 1999-05
Porsche Carrera GT 2004-06
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90037817701
The product you are viewing cross references to these numbers
- 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 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
This OE Match coolant pipe O-ring seal is a replacement sealing ring used at the water pump housing and coolant pipe connection on Porsche 996 and 997 models. It is designed to match the original seal dimensions and provide a secure, leak-resistant fit within the engine cooling system.
Sold individually, 4 required per vehicle
Fits:
Porsche 996 Turbo 2001 - 2005
Porsche 996 GT3 2000 - 2005
Porsche 997 Turbo / GT2 2007 - 2009
Porsche 997 GT2 RS 2011
Porsche 997 GT3 2007 - 2011
Diagram ref no 18
The O-ring creates a tight seal between the coolant pipe/joining socket and the water pump housing. It prevents coolant from escaping at the connection point and helps maintain the correct pressure and flow within the cooling system.
Functions:
• Seals the coolant pipe connection at the water pump housing
• Helps prevent coolant leaks from the joint
• Maintains cooling system pressure
• Supports correct coolant flow around the engine
• Helps protect the engine from coolant loss and overheating
• Provides an OE Match replacement for the original sealing ring
• Suitable for use during water pump, coolant pipe, or joining socket service
Coolant O-rings are exposed to heat, pressure, coolant additives, and repeated engine temperature cycles. Over time, the seal can harden, flatten, crack, swell, or lose elasticity, which may cause coolant leaks around the water pump housing. Replacing the O-ring helps restore a reliable seal and is recommended whenever the connected coolant pipe or joining socket is removed.
When to Replace
• Coolant is leaking from the water pump housing connection
• The O-ring is flattened, brittle, cracked, swollen, or damaged
• The coolant pipe, joining socket, or water pump housing has been removed
• There is visible coolant residue or staining around the joint
• The cooling system is being repaired or pressure-tested
• The original seal no longer seats correctly
• As preventative maintenance during water pump or coolant pipe replacement
Where it fits on the car
This O-ring fits in the engine cooling system at the water pump housing area. On the diagram, it is shown as item number 18, sealing the coolant pipe/joining socket connection. It works with the adjoining coolant pipe fittings and sealing components to keep the water pump housing connection leak-free.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970741140
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
3-way to water pipe; original style with bleed nipple and straight flared hose end.
Fits:
Porsche 996 C2 / C4 1998-01 3.4L
This product supersedes Porsche's old part numbers:
- 99610625053
- 99610625054
- 99610625055
- 99610685000
Diagram ref no 18.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610685005
The product you are viewing cross references to these numbers
- 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

Fits:
Porsche 996 Turbo 2001-05
Click 'Zoom in' to see the diagram.
Diagram ref no 23.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610625074
The product you are viewing cross references to these numbers
- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- 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 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

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
- 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
The OE-Match water pump is a direct-fit replacement designed for Porsche 996 Turbo / GT-variants models. This replacement water pump provides consistent coolant circulation under varying engine loads - from everyday driving to spirited performance or track use. Its manufactured to OEM standards, allowing plug-and-play installation.
Fits:
Porsche 996 Turbo / GT2 2001 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 996 GT3 RS 2003 - 2004
Diagram ref no 2
NOTE: Water Pump COMES WITH MOUNTING GASKET.
The water pump circulates coolant from the radiator through the engine block and heads, then back to the radiator to reject heat. This circulation prevents the engine from overheating, preserves optimal combustion temperatures, and protects internal components under load or high temperature conditions. With correct flow rates and seal integrity, the OE Match pump ensures stable thermal management across all driving scenarios.
Over time and mileage, the original water pump can suffer from impeller wear, seal degradation, bearing fatigue or corrosion - especially given the demanding thermal environment of the 996’s flat-six engine. A failing pump can lead to reduced coolant flow, overheating, coolant leaks and potential engine damage. Replacing with a correctly specified OE Match unit restores reliable coolant circulation, prevents overheating, and prolongs engine life.
When to replace:
• Coolant leaks visible at pump housing or around gasket/seal area
• Overheating on idle, in traffic or under load - temperature gauge rising above normal
• Unusual noises from the pump area (bearing hum, whine, vibration)
• After many years or high mileage - as part of preventive maintenance (common recommendation every ~4-5 years / ~60,000 miles)
• As part of a cooling-system overhaul (radiator, hoses, thermostat, belt) to ensure all components are fresh and compatible
• If pump’s impeller shows signs of wear or internal corrosion during inspection
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610601177
The product you are viewing cross references to these numbers
- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
The water pump product code 996 106 011 57, is also known as a coolant water pump supplied with gasket, ensuring seal integrity. Porsche specialist typically recommended this is checked or replaced every 60,000 miles or 4–5 years, whichever comes first, as part of routine maintenance to prevent sudden failure. It’s best practice to replace the thermostat, gaskets, and serpentine belt at the same time for a comprehensive cooling system refresh. Our kits bundle all these components.
Fits:
Porsche 996 Carrera C2/C4 (1997–2001 3.4L; 2002–2005 3.6L)
Porsche Boxster 986 (all models, 2.5L, 2.7L , 3.2S, 1997–2004)
Common issues & symptoms:
• Overheating & Rapid Deterioration: If the pump fully fails, coolant circulation stops, leading to overheating—which can cause serious engine damage.
• Strange Noises: Squealing, creaking, or grinding noises can indicate bearing failure or internal damage within the pump.
• Coolant Leaks: A failing or worn water pump may begin leaking coolant, often noticeable as puddles beneath the rear of the vehicle or in the engine bay.
• Accessory Belt Problems: A failed pump can throw off the serpentine drive belt, potentially causing accessory drive issues.
• Maintenance Insights Proactive Replacement: Given the catastrophic failure risk and potentially swift progression from minor to major leaks, many enthusiasts and mechanics recommend replacing the water pump pre-emptively at the 60,000-mile interval.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610601157
The product you are viewing cross references to these numbers
-
crankshaft 996 Carrera 2/4/4S M96.01/02/03/04 1998-05 102-00
-
cylinder head 996 CARRERA 2/4 M96.01/02/04 UPTO 2001 103-00
-
crankcase bleeding 996 CARRERA 2/4/4S M96.01/02/03/04 1998-05 104-10
-
water pump, thermostat housing 996 CARRERA 2/4/4S M96.01/02/03/04 1998-05 105-00
-
water cooling - 1 - for 996 CARRERA 2/4/4S M96.01/02/03/04 1998-05 105-05
-
throttle body 996 CARRERA 2/4/4S M96.01/02/03/04 1998-05 107-00
-
cross member wishbone 996 1998-05 401-00
-
belt tensioner, belt drive 996 TURBO 2001-05 101-15
-
camshaft housing 996 TURBO 2001-05 103-10
-
oil filter bracket 996 TURBO 2001-05 104-10
-
oil supply, return line 996 TURBO 2001-05 104-20
-
connection piece 996 TURBO 2001-05 105-00
-
turbocharging 996 TURBO/GT2 2001-05 107-20
-
air injection 996 TURBO 2001-05 108-05
-
cross member wishbone 996 TURBO 2001-05 401-00
-
belt tensioner, belt drive 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 101-15
-
camshaft housing 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 103-10
-
valve control 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 103-15
-
oil filter bracket 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 104-10
-
oil supply return line 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT RS M96.79 2004-05 104-20
-
water pump, water pump housing 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 105-00
-
air injection 996 GT3-1/GT3 RS M96.79 2004-05 108-05
-
cross member wishbone 996 GT3-1 1999-05 401-00
OEMatch Water / Coolant Pumps — Durability, Sealing, Performance
Water / coolant pumps circulate coolant through the engine, radiator and heater to maintain stable operating temperature and avoid overheating on Porsche models. OEMatch supplies a wide selection of pumps and related parts and has catalogued thousands of part references to support maintenance and repair across classic and modern Porsche vehicles.
Available Types- Mechanical water pumps and complete pump assemblies
- Electric auxiliary pumps and replacement motors
- Pump housings, gaskets, seals and repair kits
- Restored coolant circulation for stable engine temperature
- Reduced risk of overheating and related engine damage
- Replacement seals and bearings to stop leaks and reduce noise
- Bearing wear or seal failure from age, heat or contaminated coolant
- Corrosion or pitting from incompatible coolant mixtures
- Damaged or cracked impellers and worn housings reducing flow
- Wide selection of fitment options and spare parts for pump repair
- Components produced to original-spec dimensions where applicable to simplify installation
- Technical references and part cross-references to help match the correct unit to each Porsche model