Water pump & thermostat insert kit. Porsche 9YA Cayenne / 971 Panamera V8 4.0ltr - WATERPUMP.971.3.GEB
WATERPUMP.971.3.GEB
Vehicle Group
- Porsche 9YA Cayenne GTS V8 4.0L Petrol 460Hp 2020-23
- Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol 460Hp 2021-23
- Porsche 9YA Cayenne Turbo V8 4.0L Petrol 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol 550Hp 2019-23
- Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L 550Hp 2019-23
- Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L 640Hp 2021-23
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
- Porsche 971.2 Panamera GTS 4.0L V8 2021-23
- Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23
Information
Water Pump Kit for Porsche 9YA Cayenne & 971 Panamera 4.0-Litre V8 Engines (Including Hybrid Models)
This water pump kit is designed for Porsche vehicles equipped with the 4.0-litre V8 engine, including the 9YA Cayenne and 971 Panamera, covering both petrol and Hybrid variants. The kit includes a new water pump, thermostat, and sealing ring, providing a complete and reliable solution for cooling system servicing or repair.
Fits:
- Porsche 9YA Cayenne GTS V8 4.0L Petrol 460Hp 2020-23
- Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol 460Hp 2021-23
- Porsche 9YA Cayenne Turbo V8 4.0L Petrol 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol 550Hp 2019-23
- Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L 550Hp 2019-23
- Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L 640Hp 2021-23
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
- Porsche 971.2 Panamera GTS 4.0L V8 2021-23
- Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23
High-output V8 engines generate significant thermal load, especially in performance and hybrid applications where electric assistance and regeneration add further heat demand. The water pump circulates coolant through the engine and cooling circuits, while the thermostat precisely regulates operating temperature. Replacing these components together ensures stable thermal control, prevents coolant leaks and protects critical engine and hybrid system components.
What This Water Pump Kit Does
This complete cooling system kit:
- Restores
efficient coolant circulation throughout the V8 engine
- Maintains
stable operating temperature with a new thermostat
- Ensures
leak-free sealing using a new thermostat seal
- Supports
hybrid thermal management systems where fitted
- Improves cooling efficiency under high load and performance driving
- Helps prevent overheating and warning messages
Ideal for preventative maintenance or when addressing cooling-related faults on Porsche V8 platforms.
Why Water Pumps & Thermostats Fail on Porsche 4.0 V8 Engines
Common causes include:
- Internal
bearing wear within the water pump
- Thermostat
sticking or delayed response, affecting temperature control
- High
operating temperatures from twin-turbo V8 performance
- Thermal
cycling, accelerating seal and housing fatigue
- Coolant
contamination, leading to internal wear
- Age and mileage, particularly on performance and hybrid models
Failure symptoms may include coolant leaks, fluctuating temperatures, reduced performance or engine warning alerts.
Why the Water Pump & Thermostat Should Be Replaced Together
Replacing both components as a matched kit offers:
- Balanced service life across cooling components
- Correct coolant flow and temperature regulation from installation
- Reduced
labour costs compared to separate replacement
- Lower risk of repeat cooling system failures
- Improved long-term reliability, especially for high-performance V8 engines
This approach ensures the cooling system performs exactly as intended under all conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WATERPUMP.971.3.GEB
9A712168800
9A110655900
0PB121688
PAB121014C
9A712101402
9A712101403
PAB121014
PAB121014A
PAB121014B
PAB121115A
PAB121115C
PAB121115D
9A712111500
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
1 x Water pump. Porsche 971 Panamera 4.0ltr / 9YA Cayenne 4.0ltr (PAB121014C/1
1 x Thermostat with housing. Porsche 9YA Cayenne / 971 Panamera / 976 4.0L (PAB121115D/1
1 x Thermostat unit o-ring. Porsche 9YA / 971 / 976 / 95B.2 / 981 / 718 / 991 / 992 (9A712168800/1
Price: €423.01
Orderable
Related products
Vehicle Group
- 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
Information
Replacement Water Pump.
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
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
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99710601106
99710601102
99710601106
99710601105
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Price: €540.66
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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 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
Information
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
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
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99610215168
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99610215164
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Price: €60.09
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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 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
Information
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
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
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99710634000
99710634000
997.106.340.00
133.560
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Price: €16.01
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