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Water / Coolant Pumps
By OE Match
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
Fits:
Porsche 955 Cayenne 3.2L 2004-06
Porsche 957 Cayenne 3.6L 2007-10
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510656101
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Auxiliary Coolant Pump for Heating System
The auxiliary coolant pump for the Porsche 955, 957 and 958
Cayenne is a secondary electric water pump designed to support coolant
circulation through the vehicle’s heating system. This pump ensures consistent
coolant flow to the heater matrix, improving cabin heating performance and
maintaining balanced engine temperature control. This is a key component of the cooling and climate system, particularly in colder conditions and during idle operation.
Fits:
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Diagram ref no 24
What the Auxiliary Coolant Pump Does
Unlike the main engine-driven water pump, the auxiliary
coolant pump operates electrically and assists with circulating coolant when
required. It is responsible for:
- Supplying hot coolant to the cabin heater core
- Supporting even heat distribution inside the vehicle
- Maintaining coolant flow at idle or low engine speeds
- Assisting with temperature regulation in complex cooling systems
- Improving warm-up efficiency
In Porsche Cayenne models equipped with advanced climate control systems, the auxiliary pump plays an important role in ensuring reliable heating performance.
Why Auxiliary Coolant Pumps Fail
Over time, the auxiliary coolant pump can fail due to:
- Electrical motor wear
- Internal bearing degradation
- Coolant contamination
- Heat cycling within the engine bay
- Age-related plastic housing fatigue
- Corrosion from coolant exposure
Because the pump operates electrically, failure may occur suddenly or gradually.
Common symptoms of a failing auxiliary coolant pump include:
- Weak or inconsistent cabin heating
- Heater blowing cold air at idle
- Coolant circulation fault codes
- Check engine or cooling system warning lights
- Unusual noise from the cooling system
- Coolant leaks around the pump housing
When You Should Replace the Auxiliary Coolant Pump
You should consider replacing the auxiliary coolant pump if:
- Cabin heating performance becomes inconsistent
- The vehicle struggles to maintain warm air at idle
- Diagnostic fault codes indicate coolant circulation issues
- The pump becomes noisy or stops functioning
- You are servicing other cooling system components
- The vehicle has high mileage and original cooling parts
Replacing the pump proactively helps maintain reliable heating performance and prevents strain on other cooling system components.
At Design911, we supply high-quality auxiliary coolant pumps engineered to meet OEM specifications. Designed for durability and reliable performance, this pump restores proper coolant circulation and heating efficiency.
Maintaining your Cayenne’s cooling and heating system is essential for both comfort and long-term engine reliability.
Key Benefits at a Glance
- Direct replacement auxiliary coolant pump
- Restores cabin heating efficiency
- Maintains proper coolant circulation
- Reduces risk of overheating or heater malfunction
- Suitable for Porsche 955, 957 and 958 Cayenne
- Ideal for repair or preventative cooling system maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95857215010
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Fits:
Porsche Cayenne 957 3.6L V6 2007-2010
Porsche Cayenne 958 3.6L V6 2011-2017
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510623100PRM
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Fits:
Porsche Cayenne 957 3.6L V6 2007-2010
Porsche Cayenne 958 3.6L V6 2011-2017
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510623100
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
Fits:
Porsche 955 Cayenne 3.2L (10/2003-09/2007)
Porsche 957 Cayenne 3.6L (02/2007-09/2010)
Common Issues and Reasons for Replacement
- Water pumps are designed to last between 60,000 and 100,000 miles. However, several factors can lead to premature failure:
- Contaminated Coolant: Using hard water, mixing different coolant types, or introducing debris can damage seals and bearings. Always use distilled water and a 50/50 mix of the recommended coolant
- Overuse of Sealant: Excessive sealant can enter the pump chamber, can restrict flow or damaging internal components.
- Defective System Components: Issues like bent fan blades, faulty fan clutches, or worn idler pulley bearings can introduce vibrations, accelerating bearing wear in the water pump.
- Bearing Wear: Over time, the pump's bearings can degrade, leading to whining noises or coolant leaks.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510603301
The product you are viewing cross references to these numbers
-
Coolant pump / Thermostat housing (Model: 5501) Cayenne 9PA1 (957) 3.6L 2007-10 105-005
-
Coolant cooling system / Coolant expansion tank (PR:D5X) Cayenne 9PA1 (957) 3.6L 2007-10 105-035
-
Heater / Feed line / Return line (PR:D5X,D5V, D5Z) Cayenne 9PA1 (957) 3.6L / 4.8L 2007-10 813-000
-
Heater with: Auxiliary heater / Feed line / Return line (PR:7VE,7VL) Cayenne 9PA1 (957) 2007-10 813-015
-
Heater with: Auxiliary air conditioner and Auxiliary heater / Feed line / Return line / Valve (PR:7VE,7VL, 9AH) Cayenne 9PA1 (957) 2007-10 813-023
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
