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Water / Coolant Radiators

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99610603775/2
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Radiator water transmission.

oematch

Fits:
Porsche 996 turbo / GT2 - 1998 to 2005
Porsche 997 GT2 / GT2 RS - 2008 to 2011
Porsche 997 GT3 3.6ltr - 2007 to 2009
Porsche 997 GT3 / GT3 RS 3.8ltr - 2010 to 2011
Porsche 997 GT3 RS 4.0ltr - 2011

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Diagram Ref No 1.

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99610603775
99610603773
99610603775

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90014611609
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Screw M5 x 16

porsche

Fits:
Porsche 986 Boxster  - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 997 - 2005 to  to 2008

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Diagram ref no 5



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90014611609
90014611609

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99916607701
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Securing Clip For Back Of Fan.
The Porsche Securing Clip for Back of Fan is a genuine OEM retainer designed to hold the cooling fan and housing securely in place. Found in the radiator and cooling assemblies, this small but vital clip prevents unwanted movement, vibration, and misalignment of the fan unit.
Sold Each.

Fits:
  • 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 TURBO 2000-05
  • Porsche 996 GT2 2001-05
  • Porsche 996 GT3 MKI 1999-02
  • Porsche 996 GT3 MKII 2003>>
  • Porsche 996 GT3 RS 2003-04

What This Product Does:

  • Its job is to secure the fan or fan housing / duct in place, especially the rear portion of the fan or cooling shroud assembly.
  • Helps prevent the fan or its components from moving, vibrating, or coming loose under engine vibration or thermal expansion.
  • Ensures that the fan stays properly aligned relative to the radiator and ducting, maintaining proper airflow and clearances.
  • Acts as a safety retainer so that if other fasteners loosen, this clip helps hold the fan assembly in position (to avoid interference with other parts).

Symptoms Of A Failing Or Missing Clip:
  • Rattling or knocking noises from the front of the engine bay / radiator area — the fan or ducting moving slightly.
  • Vibration under load or at certain RPMs — loose components may vibrate.
  • Fan misalignment or contact between fan blades and housing or shroud edges.
  • Unusual airflow / cooling issues if the fan shifts position and reduces effective cooling.
  • Damage to adjacent components if the fan or shroud rubs on wiring, hoses, or radiator fins due to looseness.

Why Replacement Matters:
  • Prevents Fan Movement & Damage
  • Protects Cooling Efficiency
  • Eliminates Noises & Vibrations
  • Protects Surrounding Components

Diagram Ref No 18



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99916607701
99916607701
99916607702

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99950749740
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Spreader rivet plastic 8x14. - Various applications

Sold each

porsche

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 996 - 1997 to 2005
Porsche 997 - 2006 to 2012
Porsche 991 - 2012 to 2018
Porsche 970 Panamera - 2009 to 2013

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Diagram ref no 2



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99950749740
99950749940

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About Water / Coolant Radiators

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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