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Water pump, belt & thermostat kit. Porsche 718 Boxster S / GTS 2.5ltr / 718 Cayman S / GTS 2.5ltr ❭ WATERPUMP.718.2.OEM
- Porsche Boxster S 718 2.5L Manual (350 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman S 718 2.5L Manual (350Bhp)
- Porsche Cayman S 718 2.5L PDK (350Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Complete Water Pump Kit – Water Pump, Thermostat,
Serpentine Belt & Gaskets for a Full Cooling System Refresh
This complete water pump kit includes a new water
pump, thermostat, drive (serpentine) belt and the required gaskets for both the
pump and thermostat housing.
Fits:
- Porsche Boxster 718 2.0L Manual (300 Bhp)
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster T 718 2.0L Manual (300 Bhp)
- Porsche Boxster T 718 2.0L PDK (300 Bhp)
- Porsche Cayman 718 2.0L Manual (300Bhp)
- Porsche Cayman 718 2.0L PDK (300Bhp)
- Porsche Cayman T 718 2.0L Manual (300Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
Designed as a comprehensive cooling system service package, it ensures correct coolant circulation, accurate temperature regulation, and reliable accessory belt operation. Ideal for preventative maintenance or full cooling system repair, this kit provides everything needed to restore confidence in your Porsche’s engine cooling performance.
The water pump continuously circulates coolant through the engine and radiators, while the thermostat regulates operating temperature and ensures the engine warms up properly. The serpentine belt drives essential accessories—including the water pump—so replacing all these components together ensures long-term reliability and prevents future breakdowns.
What This Complete Water Pump Kit Does
This cooling system service kit:
- Replaces
the water pump to restore proper coolant flow
- Includes
a new thermostat for accurate temperature control
- Supplies
a fresh serpentine belt to ensure reliable accessory drive operation
- Comes
with all required gaskets to prevent leaks during installation
- Improves
cooling efficiency, reducing the risk of overheating
- Ensures long-term reliability with coordinated component replacement
- Perfect for workshop servicing, DIY maintenance or high-mileage cooling system refreshes.
Why Water Pumps, Thermostats & Belts Fail
Common failure points include:
- Bearing
wear inside the water pump, causing leaks or noise
- Impeller
degradation, reducing coolant flow
- Thermostat
sticking, leading to overheating or overcooling
- Serpentine
belt cracking, glazing or stretching
- Coolant
contamination, accelerating component wear
- Heat cycling, which weakens gaskets and housings
Cooling failures can cause warped cylinder heads, engine misfires or complete engine failure if not addressed promptly.
Why These Components Should Be Replaced Together
Replacing the pump, thermostat and serpentine belt as a set
ensures:
- Restored cooling performance across the entire system
- Correct belt tension and accessory drive function
- Reduced labour costs by avoiding repeat disassembly
- Balanced
longevity, as all components age similarly
- Prevention
of leaks, thanks to new gaskets and seals
- Peace of mind for daily driving, long trips or track use
This kit offers the most reliable and cost-effective approach to cooling system maintenance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WATERPUMP.718.2.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 Boxster 987
Porsche Cayman
Porsche 997 C2/4 2005>> (not turbo)
NOTE: Water Pumps DO NOT COME WITH MOUNTING GASKETS.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710601106
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 Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 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 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

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
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