Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Heater blowers
By OE Match
- 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
-
Heater / Feed line / Return line / Diesel (PR:9M5,-9AH) Cayenne 9PA1 (957) 3.0L Diesel 2007-10 813-001
-
Heater / Feed line / Return line / Diesel (PR:9M5,9AH) Cayenne 9PA1 (957) 3.0L Diesel 2007-10 813-003
-
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 Heater blowers — Fit, Function, Confidence
Heater blowers drive warm air through the heater core and vents, supporting demisting, defrosting and cabin comfort for Porsche models. OEMatch supplies replacement blower motors and assemblies for Porsche applications, drawing on a wide catalogue of parts and over 8,700 OE cross-references to help match model-specific needs and support restorations or routine HVAC repairs.
Available Types- Replacement blower motors
- Complete blower assemblies with integrated resistors or speed modules
- Blower housings and impellers for restoration work
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original heater blowers.
OE (Original Equipment) refers to parts matching original specifications for the heater blowers and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM heater blowers engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
A heater blower draws air through the heater core and into the cabin. Motors, impellers and speed-control devices work together with the climate control system to set airflow and temperature distribution. Failures often follow electrical connector corrosion, resistor or module faults, bearing seizure or debris fouling the impeller and housing. Identifying the affected element—motor, resistor/control module or complete assembly—helps plan the correct repair for each Porsche model.
Benefits Include- Restores designed airflow for heating and ventilation
- Ensures rapid demisting and defrosting of windows
- Reduces noise and vibration caused by worn components
- Worn or burnt-out blower motor components such as brushes or commutators
- Debris, dust or leaves accumulating in the impeller or housing
- Seized bearings producing noise, excess load or motor failure
- Corroded electrical connections or failed resistors and speed-control modules
Replacing a worn or faulty blower restores reliable airflow and demisting, reducing the risk of fogged windows and improving climate control response. Correct selection for Porsche models helps avoid secondary electrical strain on wiring and control modules and supports safe visibility and cabin comfort during cold or damp conditions.
Advantages- Compatibility with manual and automatic climate systems on supported Porsche models
- Suitable for routine servicing, HVAC repairs and vehicle restorations
- Manufactured to original-spec dimensions for consistent fit and function where applicable