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Water / Coolant Pumps
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 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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.
Kit Includes
Water pump and gasket
Thermostat
Thermostat housing gasket x 2
Inlet manifold gasket x 2
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.955.3.GEB
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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.
Kit Includes
Water pump and gasket
Thermostat
Thermostat housing gasket x 2
Inlet manifold gasket x 2
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.955.3.MEY
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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.
Kit Includes
Water pump and gasket
Thermostat
Thermostat housing gasket x 2
Inlet manifold gasket x 2
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.955.3.OEM
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Fits:
Porsche 955 Cayenne S 4.5L 2003-06 (D9K)
Porsche 955 Cayenne Turbo 4.5L 2003-06 (D9L)
Valid up to:
F >> 9P6LA 01562
F >> 9P6LA 41356
F >> 9P6LA 80630
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557215002
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Fits:
Porsche 955 Cayenne S 4.5L 2003-06 (D9K)
Porsche 955 Cayenne Turbo 4.5L 2003-06 (D9L)
Valid up to:
F >> 9P6LA 01562
F >> 9P6LA 41356
F >> 9P6LA 80630
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557215002
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Fits:
Porsche 955 Cayenne S V8 4.5L (D9K) 2003 - 2006
Porsche 955 Cayenne Turbo V8 4.5L (D9L) 2003 - 2006
Valid from:
F 9P6LA 01563 >>
F 9P6LA 41357 >>
F 9P6LA 80631 >>
Porsche 957 Cayenne S/GTS V8 4.8L (D5V) 2007 - 2010
Porsche 957 Cayenne Turbo V8 4.8L (D5Z) 2007- 2010
* cars with 4-zone air conditioning system (option code: 9AH)
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557215008
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 955 Cayenne S V8 4.5L (D9K) 2003 - 2006
Porsche 955 Cayenne Turbo V8 4.5L (D9L) 2003 - 2006
Valid from:
F 9P6LA 01563 >>
F 9P6LA 41357 >>
F 9P6LA 80631 >>
Porsche 957 Cayenne S/GTS V8 4.8L (D5V) 2007 - 2010
Porsche 957 Cayenne Turbo V8 4.8L (D5Z) 2007- 2010
* cars with 4-zone air conditioning system (option code: 9AH)
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557215008
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
The BOSCH Coolant Pump Auxiliary Heating is a premium OEM-quality auxiliary coolant pump manufactured by Bosch, designed to circulate coolant through the vehicle’s auxiliary heating and thermal management systems. Unlike the primary engine water pump, this electric auxiliary pump continues to move coolant independently of engine speed, helping to maintain consistent cabin heating performance and efficient coolant circulation during specific operating conditions.
Fits:
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Diagram Ref No 19
This pump plays an important role in vehicles equipped with auxiliary heating, heater booster systems, or advanced thermal management systems. Manufactured to Bosch’s exacting OEM standards, it provides reliable coolant flow, efficient operation, and long-term durability in demanding automotive environments.
What This Product Does:
- Circulates coolant through the auxiliary heating system
- Supports efficient cabin heating performance
- Maintains coolant flow independently of engine speed
- Assists the vehicle’s thermal management system
- Improves heat distribution during cold weather operation
- Helps maintain consistent coolant circulation when required by the ECU
Symptoms Of Wear Or Failure:
- Reduced or inconsistent cabin heating performance
- Slow heater warm-up times Insufficient heat output at idle speeds
- Coolant circulation faults or warning messages
- Whining, buzzing, or abnormal pump noises
- Coolant leaks around the pump housing
- Auxiliary heating system malfunction
- Fault codes relating to coolant circulation or auxiliary pump operation
Why Replacement Matters:
- Restores proper coolant circulation through the heating system
- Improves cabin heating performance and comfort
- Supports efficient operation of the vehicle's thermal management system
- Helps maintain consistent coolant flow under varying operating conditions
- Reduces the risk of heating system faults and warning messages
- Prevents excessive strain on related cooling and heating components
- Ensures reliable operation during cold weather conditions
- Maintains OEM-level performance, reliability, and efficiency
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557215008
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10

Fits:
Porsche 955 Cayenne S 4.5L V8
Porsche 955 Cayenne Turbo 4.5L
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810611503
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>

Fits:
Porsche 955 Cayenne S 4.5L V8
Porsche 955 Cayenne Turbo 4.5L
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810611503
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Fits:
Porsche 955 Cayenne S 4.5L V8 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810609001
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Fits:
Porsche Cayenne 955 4.5L V8 S or Turbo
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90038507201
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>

Fits:
Porsche Cayenne 955 4.5L V8 S or Turbo
NOTE:
The Original Porsche water pump does NOT come this a gasket.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810601104
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Fits:
Porsche Cayenne 955 4.5L V8 S or Turbo
NOTE: Water Pump COMES WITH MOUNTING GASKET.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810601104
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
Restore dependable coolant circulation and effective engine temperature control with this OE Match Replacement Water Pump with Gasket. Designed for compatible Porsche applications, the water pump is a critical component of the engine cooling system, circulating coolant between the engine, radiator and associated cooling circuits.
Fits:
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
As the engine produces heat, coolant absorbs that heat and carries it away from critical engine components. The water pump maintains the continuous circulation required for this process, allowing heat to be transferred through the radiator and helping the engine remain within its correct operating temperature range.
Water pumps are subjected to continuous rotational loads, heat cycles and coolant exposure. Over time, the internal bearing, mechanical seal or impeller can deteriorate, potentially resulting in coolant leakage, abnormal noise or insufficient coolant circulation.
This replacement is supplied with a gasket, providing the sealing component required between the water pump and its mating surface where applicable.
The OE Match Water Pump provides a high-quality replacement for a worn, leaking or failed original pump, helping restore reliable cooling-system performance.
What This Product Does:
- Circulates coolant through the engine cooling system.
- Moves heated coolant away from the engine.
- Helps transfer engine heat to the radiator.
- Supports stable engine operating temperatures.
- Helps prevent overheating caused by inadequate coolant circulation.
- Maintains coolant flow during normal engine operation.
- Supports effective cooling during demanding driving conditions.
- Works with the radiator, thermostat and associated cooling components.
- Replaces a leaking, noisy, worn or failed water pump.
- Is supplied with a gasket for the applicable sealing surface.
- Provides an OE-style replacement for compatible Porsche applications.
Symptoms Of Wear Or Failure:
- Coolant leaking from around the water pump.
- Coolant stains or dried residue around the pump housing.
- Frequent loss of coolant.
- Engine temperature running higher than normal.
- Engine overheating.
- Temperature fluctuations during driving.
- Cooling-system warning messages.
- Grinding, rumbling or whining from the pump area.
- Excessive play in the water pump shaft or bearing.
- Coolant leaking from the pump's weep area.
- Visible damage or corrosion around the pump.
- Reduced coolant circulation.
- Steam or coolant smell from the engine compartment.
- Evidence of impeller deterioration or damage after removal.
Why Replacement Matters:
- The water pump is fundamental to engine temperature control. Without sufficient coolant circulation, heat cannot be transferred efficiently from the engine to the radiator.
- A leaking pump can gradually reduce the coolant level. As coolant is lost, the cooling system becomes less effective and air may enter the circuit, increasing the risk of unstable temperatures and overheating.
- Internal pump failure can be equally serious. A worn bearing may allow shaft movement that damages the mechanical seal, while a deteriorated or damaged impeller may reduce coolant circulation even if there is no obvious external leak.
- Continued operation with insufficient cooling can cause severe engine damage. Excessive temperatures can damage seals and gaskets, distort components and, in extreme cases, lead to major cylinder-head or engine repairs.
- A failing bearing can also eventually seize or allow excessive movement within the pump assembly, potentially affecting associated drive components depending on the engine configuration.
- Replacing a deteriorated pump with this OE Match Replacement Water Pump with Gasket helps restore correct coolant circulation, stable engine temperatures and dependable cooling-system operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810601104
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>

Fits:
Porsche Cayenne 955 4.5L V8 S or Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810601104
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
-
Belt tensioner / Belt drive - 4800 / 4850 - 955 Cayenne 2003-06 101-10
-
Water pump / thermostat housing - M48.00 / M48.50 - 955 Cayenne 105-00
-
Intake distributor - M48.00 / M48.50 - 955 Cayenne 2003-06 107-10
-
Heating / Feed line / Return line (Model: PR:D9J,D9K,D9L) Cayenne 9PA (955) 2003-06 813-00
-
Heating / Feed line / Return line (Model: PR:D9J,D9K,D9L) Cayenne 9PA (955) 2003-06 813-02
-
Heating with Auxiliary air conditioner and Auxiliary heater / Feed line / Return line / Valve Until / Engine (PR:7VE,7VL,9AH) Cayenne 9PA (955) 2003-06 813-21
Water / Coolant Pumps – Reliable Engine Cooling for Porsche Vehicles
Water / coolant pumps are at the heart of your Porsche’s cooling system. Their job is to circulate coolant through the engine, radiator, and heater core, maintaining the correct operating temperature and preventing overheating. A properly functioning water pump ensures efficient heat transfer, optimal performance, and long-term engine reliability.
At Design911, we supply a wide range of genuine and high-quality water pumps for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, Panamera and the transaxle cars. Each pump is precision-engineered to deliver consistent coolant flow, high durability, and dependable performance - ensuring your Porsche’s engine stays cool under all driving conditions.
What Do Water Coolant Pumps Do?
Water pumps are a critical
part of your engine’s temperature control system. They:
- Circulate coolant between the engine block, radiator, and heater system.
- Regulate temperature by dispersing heat efficiently throughout the system.
- Maintain coolant pressure for consistent engine operation.
- Support performance and longevity, preventing damage from excessive heat.
Without a properly working water pump, coolant circulation stops — leading to overheating, loss of performance, and potential engine failure.
Why Do Water Coolant Pumps Fail?
Even the most durable water
pumps can fail over time due to heat, age, and coolant contamination. Common
causes of failure include:
- Bearing wear or seal leaks caused by prolonged use or poor coolant quality.
- Corrosion or pitting from old or incompatible coolant mixtures.
- Cracked impellers or worn components reducing flow efficiency.
- Coolant leaks around the housing or pulley.
- Age-related wear, especially in high-mileage vehicles.
Signs of failure include visible coolant leaks, high engine temperature, whining noises from the pump area, or reduced cabin heating.
Why Replace a Faulty Water Coolant Pump?
A failing water pump can cause severe engine overheating, loss of coolant, or total breakdown. Replacing a worn pump restores reliable cooling and helps protect your engine from costly damage.
Benefits of
replacement include:
- Restored coolant circulation and cooling efficiency.
- Improved engine reliability and performance.
- Prevention of leaks, overheating, and corrosion.
- Long-lasting, high-quality construction for dependable operation.
All water pumps in this range are built using high-strength materials, precision impellers, and sealed bearings designed to deliver durability, quiet operation, and efficient coolant flow over time.