do not press the back button…
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.
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 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
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Thermostat Insert with Aluminium Housing and O-Rings
Restore correct engine temperature control with this OE
Match Thermostat Insert. The thermostat regulates coolant flow between the engine and
radiator. It helps the engine reach operating temperature quickly when cold and
then maintains the correct temperature by controlling coolant circulation
through the radiator.
Fits:
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 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
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Diagram ref no 6
What Does the Thermostat Insert Do?
When the engine is cold, the thermostat remains closed to restrict coolant flow through the radiator, helping the engine warm up efficiently.
As coolant temperature rises, the thermostat opens and allows coolant to circulate through the radiator where excess heat can be removed.
A correctly operating thermostat helps:
- Maintain the correct engine temperature
- Allow faster engine warm-up
- Regulate coolant flow through the radiator
- Prevent excessive engine temperatures
- Support efficient engine operation
- Maintain consistent cooling system performance
Why Do Thermostats Fail?
Thermostats operate through thousands of heating and cooling cycles and can gradually deteriorate with age.
Common causes include:
- Internal mechanical wear
- Thermostat valve sticking
- Weakening of the temperature-sensitive element
- Coolant contamination or deposits
- Corrosion within the cooling system
- Overheating General age-related deterioration
A thermostat can fail either open or closed. A thermostat stuck open can cause the engine to run too cool, while one stuck closed can restrict coolant circulation and cause overheating.
When Should the Thermostat Be Replaced?
Replacement should be considered if:
- The engine takes unusually long to warm up
- Engine temperature remains below normal
- Engine temperature becomes too high
- Temperature readings fluctuate unexpectedly
- Cabin heater performance is poor
- Diagnostic testing indicates incorrect coolant temperature
- The thermostat is sticking or no longer opening correctly
- Cooling system repairs make replacement advisable
Thermostat replacement is also commonly considered during major cooling system maintenance, particularly on higher-mileage vehicles.
Important Cooling System Checks
Overheating or incorrect engine temperature is not always caused by the thermostat.
The coolant level, water pump, radiator, cooling fans, hoses and cooling system should also be inspected when diagnosing temperature problems.
Any coolant leaks should be repaired and the cooling system correctly filled and bled after thermostat replacement.
Porsche Cayenne, Macan & Panamera Thermostats
The thermostat is a key component of the Porsche engine cooling system, controlling coolant circulation according to engine temperature.
As Cayenne, Macan and Panamera models age, thermostats can become slow to operate or stick partially open or closed. Typical symptoms include slow engine warm-up, low operating temperature, fluctuating temperature readings or overheating.
When diagnosing Porsche cooling system problems, the thermostat should be checked alongside the water pump, radiator, coolant level and other cooling system components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810603404
The product you are viewing cross references to these numbers
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
The OE Match Water Pump is a high-quality replacement cooling system component designed to maintain the continuous circulation of coolant throughout the engine and radiator system. Manufactured to OE specifications for fit, function and durability, this water pump ensures efficient heat transfer and stable engine operating temperatures under all driving conditions.
Fits:
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
As one of the most important components within the engine cooling system, the water pump drives coolant through the engine block, cylinder head, radiator and heater circuit, helping to prevent overheating and maintain optimum engine performance. This OE Match replacement is ideal for routine maintenance, cooling system repairs and engine restoration projects.
What This Product Does:
- Circulates coolant throughout the engine cooling system.
- Transfers heat away from the engine and into the radiator.
- Helps maintain correct engine operating temperatures.
- Supports efficient heater system performance.
- Prevents coolant stagnation and localised hot spots.
- Protects critical engine components from excessive heat.
Symptoms Of Wear Or Failure:
- Coolant leaks from the pump housing or shaft seal.
- Rising engine temperatures or overheating.
- Coolant loss without visible hose or radiator leaks.
- Grinding, whining or rumbling noises from the water pump bearing.
- Coolant residue or staining around the pump assembly.
- Excessive play in the water pump pulley.
- Reduced heater performance due to poor coolant circulation.
- Steam or coolant odours from the engine bay.
Why Replacement Matters:
- The water pump operates continuously whenever the engine is running and is exposed to constant rotation, pressure changes, coolant flow and temperature fluctuations. Over time, bearings, seals and impeller components can wear, reducing the pump's ability to circulate coolant effectively.
- A failing water pump can result in coolant leaks, poor cooling system performance and engine overheating. If left unresolved, overheating can cause serious engine damage, including warped cylinder heads, failed head gaskets and accelerated wear of internal components. Because the cooling system relies on consistent coolant circulation, a healthy water pump is essential for long-term engine reliability.
- Replacing a worn water pump restores efficient coolant flow, maintains proper engine temperatures and helps protect against costly overheating-related repairs. An OE Match replacement provides factory-style fitment, dependable performance and long-lasting durability, ensuring your Porsche cooling system operates as intended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410602124
The product you are viewing cross references to these numbers