Water / Coolant Radiators

Radiator For Water Coolant Fluid.
The OE Match Radiator for Water Coolant Fluid is a premium-quality replacement engine cooling component designed to efficiently dissipate heat from the engine coolant on compatible Porsche models. Manufactured to OE specifications for fit, cooling performance and durability, this radiator ensures the engine maintains its optimum operating temperature, protecting vital engine components from overheating while delivering reliable performance in all driving conditions.  

Fits:

• Porsche 955 Cayenne 3.2L V6 2003-06
• 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 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  

Manufactured from lightweight, high-efficiency aluminium with precision-brazed coolant tubes and densely packed cooling fins, the radiator is engineered to maximise heat transfer while withstanding coolant pressure, thermal cycling, vibration and harsh road conditions. Reinforced end tanks and precision-machined mounting points ensure direct OE-style fitment and seamless integration with the vehicle's original cooling system, making it the ideal replacement during cooling system repairs or preventative maintenance.  

What This Product Does:

• Dissipates heat from the engine coolant.
• Maintains the engine at its correct operating temperature.
• Supports efficient engine cooling under all driving conditions.
• Circulates coolant through the cooling system.
• Helps prevent engine overheating.
• Works with the water pump, thermostat and cooling fans to regulate engine temperature.
• Restores factory cooling system performance.
• Forms an essential part of the engine cooling system.

Symptoms Of Wear Or Failure:

• Engine overheating.
• Coolant leaks from the radiator.
• Low coolant level requiring frequent topping up.
• Visible corrosion or damage to the cooling fins.
• Cracked radiator end tanks.
• Blocked or restricted coolant passages.
• Steam or coolant escaping from the radiator.
• Poor cooling performance during heavy traffic or hot weather.
• Coolant residue around the radiator.
• Engine temperature warning light or overheating alerts.

Why Replacement Matters:

• The radiator is continually exposed to high coolant temperatures, internal pressure, road debris, vibration and environmental contaminants. Over time, corrosion, impact damage or internal blockages can reduce its cooling efficiency or cause coolant leaks.
• A damaged or inefficient radiator can lead to engine overheating, coolant loss and reduced cooling performance. Continued operation with a faulty radiator may result in severe engine damage, including warped cylinder heads, failed head gaskets and premature wear of internal engine components.
• Replacing a worn or damaged radiator restores the cooling system's ability to efficiently regulate engine temperature and maintain reliable engine operation. The OE Match Radiator for Water Coolant Fluid is manufactured to OE standards using premium-quality materials, providing factory-style fitment, outstanding heat dissipation and long-lasting durability, helping protect your Porsche engine and maintain optimum performance.

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95510614201

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Radiator water cooling fan bracket. 

Fits:
Porsche 955 Cayenne turbo - 2003 to 2006
Porsche 957 Cayenne turbo - 2007 to 2010

Diagram ref no 13

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Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-09

Click 'Zoom in' for large parts diagram.
Diagram ref no 18

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Fits:
Porsche 955 Cayenne 2003-06
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Click 'Zoom in' for large parts diagram.
Diagram ref no 18

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Porsche 955 Cayenne 2003-06
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Click 'Zoom in' for large parts diagram.
Diagram ref no 18

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Fits:
Porsche 955 Cayenne S 2003-06 Chassis: F 9P6LA 44108>> (IT91/I0U1/I0Y3)
Porsche 957 Cayenne 3.6L 2007-10

* IT91 - Units for engine PR no. D9K
* I0Y1 - Standard climatic zone
* I0Y3 - Cold climatic zone

Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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Fits:
Porsche 955 Cayenne S 2003-06 Chassis: F 9P6LA 44108>> (IT91/I0U1/I0Y3)
Porsche 957 Cayenne 3.6L 2007-10

* IT91 - Units for engine PR no. D9K
* I0Y1 - Standard climatic zone
* I0Y3 - Cold climatic zone

Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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Fits:
Porsche 955 Cayenne S 2003-06 Chassis: F 9P6LA 44108>> (IT91/I0U1/I0Y3)
Porsche 957 Cayenne 3.6L 2007-10

* IT91 - Units for engine PR no. D9K
* I0Y1 - Standard climatic zone
* I0Y3 - Cold climatic zone

Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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Water Cooling Pipe System Upgrade

The OE Match Water Cooling Pipe System Upgrade is a permanent solution to one of the most common and well-known cooling system failures affecting the first-generation Porsche 955 Cayenne 4.5L V8 S and Turbo models built between 2003 and 2006.

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>>

Diagram ref Nos 7, 9, 10, 11, 12, 13, 16 and 17

The original factory cooling system uses a series of plastic coolant pipes located beneath the intake manifold to carry coolant between the engine block, thermostat housing and cylinder heads. While perfectly adequate when new, years of repeated heat cycles cause these plastic pipes to become brittle and lose their structural integrity. Eventually they can soften, crack or separate from their bonded joints, leading to sudden coolant loss and rapid engine overheating.

Porsche later introduced an improved aluminium pipe design to eliminate this weakness. This OE Match upgrade kit replaces the original plastic coolant pipes with durable alloy replacements, providing a long-term repair that is far more resistant to heat, pressure and age-related deterioration.

A failed coolant pipe can result in coolant leaking into the engine valley beneath the intake manifold, where it may initially go unnoticed. Drivers often first discover the problem through unexplained coolant loss, coolant odours, warning messages or engine overheating. Continuing to drive with a leaking pipe can lead to severe engine damage, making early replacement a wise preventative maintenance upgrade.

Replacement is strongly recommended if the intake manifold is already being removed for other engine work, such as starter motor replacement, knock sensor replacement or general engine servicing. Many owners also choose to install the alloy upgrade proactively once their Cayenne reaches higher mileage or shows signs of cooling system deterioration.

Features & Benefits

• OE Match alloy water cooling pipe upgrade kit
• Replaces the original plastic coolant pipes
• Eliminates a common failure point on early 4.5L V8 engines
• Improved resistance to heat and coolant pressure
• Reduces the risk of sudden coolant loss and engine overheating
• Ideal preventative maintenance upgrade
• Suitable for Porsche 955 Cayenne 4.5L S and Turbo models (2003-2006)
• Direct replacement for the original cooling pipe assembly

Porsche 955 Cayenne Alloy Water Cooling Pipe Upgrade

The first-generation Porsche Cayenne is renowned for its performance and versatility, but owners of the early 4.5-litre V8 models are often familiar with the factory plastic coolant pipe issue. Upgrading to the later alloy pipe design is widely regarded as one of the most important preventative maintenance improvements for these vehicles.

At Design911, we supply high-quality OE Match cooling system components that restore reliability while maintaining original fitment standards. Whether you're carrying out preventative maintenance, repairing a coolant leak or rebuilding your engine, this alloy coolant pipe upgrade offers lasting peace of mind.

Why Upgrade to Alloy Coolant Pipes?

Unlike the original plastic pipes, alloy pipes are unaffected by prolonged exposure to engine heat and pressure. Once installed, they provide a significantly more durable cooling system capable of withstanding the demanding operating temperatures of the Porsche V8 engine.

Common Symptoms of Failing Plastic Coolant Pipes

• Unexplained coolant loss
• Coolant smell after driving
• Coolant pooling beneath the intake manifold
• Low coolant warning messages
• Rising engine temperatures or overheating
• Steam from the engine bay

Replacing the plastic coolant pipes before failure helps avoid costly overheating repairs and significantly improves long-term engine reliability

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Fits:
Porsche 955 Cayenne 4.5L (V8) Turbo 2003-06 (option code: T90)
Porsche 955 Cayenne 4.5L (V8) 2003-06  F >>9P-6LA44 107  (option code: T91)
Porsche 955 Cayenne 4.5L (V8) 2003-06  F 9P-6LA44 108>>  (option code: T91 / 0Y2 - Tropical climatic zone)

Porsche 957 Cayenne 4.8L (V8) 2007-11 (option code: 0Y2 - Tropical climatic zone)
Porsche 957 Cayenne 4.8L (V8) Turbo 2007-11 (option code: D5Z)
Porsche 957 Cayenne 3.0L Diesel 2007-11 (option code: D50)

Click 'Zoom in' for large parts diagram.
Diagram ref no 

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95562413500

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Fits:
Porsche 955 Cayenne 4.5L (V8) Turbo 2003-06 (option code: T90)
Porsche 955 Cayenne 4.5L (V8) 2003-06  F >>9P-6LA44 107  (option code: T91)
Porsche 955 Cayenne 4.5L (V8) 2003-06  F 9P-6LA44 108>>  (option code: T91 / 0Y2 - Tropical climatic zone)

Porsche 957 Cayenne 4.8L (V8) 2007-11 (option code: 0Y2 - Tropical climatic zone)
Porsche 957 Cayenne 4.8L (V8) Turbo 2007-11 (option code: D5Z)
Porsche 957 Cayenne 3.0L Diesel 2007-11 (option code: D50)

Click 'Zoom in' for large parts diagram.
Diagram ref no 

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95562413500

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