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.
- Accessories
- Brakes
- Chassis / Bodywork
- Clothing & Gifts
- Electrical & Relays
- Engine Cooling
- Engine Electrical
- Engine Rebuild Parts
- Engine Tuning
- Exhausts
- Exterior Styling / Spoilers
- Gearbox / Transmission
- Heating / Air Conditioning
- Hydraulics
- Incar / Multimedia
- Interior & Accessories
- Lighting
- Mats & Carpets
- Motorsport and Off-Road
- Parts for Other Cars
- Pedal Cluster
- Rubber Seals
- Seats & Seat Belts
- Service Parts
- Special Offer Parts
- Steering Parts
- Suspension & Axle
- Suspension Upgrades
- Tyres
- Wheel Accessories
- Wheels
Water / Coolant Radiators
Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-09
Click 'Zoom in' for large parts diagram.
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413401
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-09
Click 'Zoom in' for large parts diagram.
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413401
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-09
Click 'Zoom in' for large parts diagram.
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413401
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413601
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413601
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413601
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
948106059KIT
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>>
Shop Securely
12 Month Warranty
Worldwide Delivery
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413500
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 3.0L Diesel 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562413500
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 3.0L Diesel 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
Water Coolant Radiators – Efficient Cooling Performance for Porsche Engines
Water coolant radiators are the heart of your Porsche’s cooling system, responsible for maintaining the perfect balance between performance and engine temperature. These components dissipate heat from the coolant as it passes through the radiator core, ensuring your engine operates at peak efficiency while preventing overheating - whether you’re cruising through city streets or pushing hard on the track.
At Design911, we offer a comprehensive range of genuine and high-quality water coolant radiators for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, Panamera and transaxle cars. Each radiator is precision-engineered to provide efficient heat exchange, corrosion resistance, and a perfect fit, ensuring long-lasting performance and reliability for every driving condition.
What Do Water Coolant Radiators Do?
Radiators are essential to your Porsche’s engine cooling
system. Their primary functions include:
- Transferring
heat from the coolant to the surrounding air.
- Regulating
coolant temperature to prevent engine overheating.
- Supporting
overall thermal balance for performance and emissions efficiency.
- Enhancing reliability by maintaining optimal operating temperatures in all climates.
By efficiently dissipating heat, radiators protect your engine, prevent premature wear, and maintain consistent performance under pressure.
Why Do Radiators Fail?
Despite being built for endurance, radiators experience
constant thermal stress, exposure to pressure, and environmental elements that
can lead to failure. Common causes include:
- Corrosion
or rust due to contaminated or old coolant.
- Leaks
from cracked tanks, damaged cores, or failing seals.
- Blockages
caused by debris or scale build-up inside coolant passages.
- Physical
damage from road debris or stone impacts.
- Coolant contamination from oil or combustion residue.
Symptoms of radiator failure include overheating, coolant loss, visible leaks, or fluctuating temperature readings.
Why Replace a Faulty Radiator?
A damaged or inefficient radiator compromises your Porsche’s cooling system, risking overheating and potential engine damage. Replacing your radiator with a high-quality, manufacturer-standard unit ensures optimal cooling efficiency, reliability, and peace of mind.
Benefits of replacement include:
Restored
cooling efficiency and heat dissipation.
Prevention
of engine overheating and coolant loss.
Enhanced
vehicle performance and fuel economy.
Durable,
corrosion-resistant materials for long service life.
All radiators in our range are designed using premium aluminium cores, precision welds, and reinforced end tanks to ensure excellent cooling capacity, leak prevention, and long-term reliability — perfect for both standard and high-performance Porsche applications.
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed