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- Accessories
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Water / Coolant Radiators
Fits:
Porsche 996 C4S 2002>>
Porsche 996 2004 (M095 - Special model "911 Anniversary Edition")
Click pictrue for large parts diagram.
Diagram Ref No 4.
- Porsche 996 C4S 3.6L 09/01-2005
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 C2 / C4 / GT3 1997-05
Porsche 986 Boxster 1997-2004
Click 'Zoom in' for large parts diagram.
Diagram Ref No 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610613
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Restore efficient engine cooling and dependable temperature control with this OE Match Water Coolant Radiator, designed for compatible Porsche applications.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Radiator fluid, or coolant, is the most important part of your car's cooling system, which protects your engine from overheating. Low coolant can lead to a breakdown and expensive repairs.
The radiator is one of the principal components of the engine cooling system. Hot coolant leaving the engine passes through the radiator's internal channels, where heat is transferred through the radiator core and dissipated into the surrounding airflow. The cooled fluid then continues through the cooling circuit to help maintain the engine within its intended operating temperature range.
Porsche cooling systems operate under demanding conditions, and the radiator must withstand constant thermal cycling, cooling-system pressure, road debris and environmental contamination. Over time, the core can become damaged or restricted, while corrosion, deteriorated joints or physical impact can cause coolant leaks.
A failing radiator can reduce the cooling system's ability to control engine temperature and may eventually result in coolant loss or overheating. Replacing a damaged, leaking or inefficient unit with this OE Match Radiator helps restore cooling performance and protect the engine from excessive temperatures.
Diagram Ref No 1
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
- The radiator is responsible for releasing a substantial amount of the heat absorbed by the engine coolant.
- If its ability to dissipate heat is reduced, coolant may return to the engine at a higher temperature than intended. If the radiator also leaks, the cooling system may gradually lose coolant and eventually become unable to control engine temperature effectively.
- Replacing a defective radiator before severe overheating occurs can prevent substantially more expensive repairs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610613
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 C2 / C4 / GT3 1997-05
Porsche 986 Boxster 1997-2004
Radiator fluid, or coolant, is the most important part of your car's cooling system, which protects your engine from overheating. Low coolant can lead to a breakdown and expensive repairs.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610613
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 Turbo / GT2 / C4S 1998-05
Porsche 997 Turbo MK1 & MKII
Radiator fluid, or coolant, is the most important part of your car's cooling system, which protects your engine from overheating. Low coolant can lead to a breakdown and expensive repairs.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610613
The product you are viewing cross references to these numbers
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 Turbo / GT2 / C4S 1998-05
Porsche 997 Turbo MK1 & MKII
Radiator fluid, or coolant, is the most important part of your car's cooling system, which protects your engine from overheating. Low coolant can lead to a breakdown and expensive repairs.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610613
The product you are viewing cross references to these numbers
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2/C4/C4S 1998-05
Porsche 996 GT3 2000-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610633400
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 Turbo 2000-05
Click pictrue for large parts diagram.
Diagram Ref No 3.
- Porsche 996 TURBO 2000-05
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 Turbo 2000-05
Click picture for large parts diagram.
Diagram Ref No 2.
- Porsche 996 TURBO 2000-05
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 GT2 2001-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 3.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99650441330
The product you are viewing cross references to these numbers
- Porsche 996 GT2 2001-05
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 GT2 2001-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99650419530
The product you are viewing cross references to these numbers
- Porsche 996 GT2 2001-05
Shop Securely
12 Month Warranty
Worldwide Delivery
Left or Right
Fits:
Porsche 986 Boxster 1997-05
Porsche 996 C2, C4, GT3 1997-05
Click pictrue for large parts diagram.
Diagram Ref No 7.
Please select below
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99650417
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 986 Boxster S - 2000 to 2004
Porsche 996 - 1997 to 2005
Porsche 996 GT3 - 1999 to 2005
Click picture for large parts diagram.
Diagram Ref No 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610690100
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 986 Boxster 1997-05
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Click picture for large parts diagram.
Diagram Ref No 3.
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 996 GT2, Turbo 1997-04
Click picture for large parts diagram.
Diagram Ref No 3.
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2, C4, GT3 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99662413500
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Shop Securely
12 Month Warranty
Worldwide Delivery
-
water cooling - 3 - for 996 CARRERA 2/4/4S M96.01/02/03/04 1998-05 105-15
-
radiator centre for 996 CARRERA 2/4/4S M96.01/02/03/04 Tirptonic (M249) 1998-05 and 996 CARRERA 2/4/4S M96.03 6-speed Manual (M480) / Powerkit 250 kW (IX51) 2002-05 105-17
-
water cooling - 3 - for 996 TURBO 2001-05 105-15
-
radiator centre 996 TURBO 2001-05 105-17
-
water cooling 3 for 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 105-15
-
radiator centre 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 105-17
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.
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