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Water / Coolant Radiators

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DISPLAYING 1 to 16 (of 20 products)
1 2
RADKIT99605
Product Information
Product Information
Radiator for Water Coolant Fluid. Porsche 996 / Boxster 986

mahle

SET OF 2


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.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

RADKIT99605
8MK376714291
99610613151
99610613151
99610613150
8MK376713791
8MK 376 713-791
99610613251
99610613181

The product you are viewing cross references to these numbers
RADKIT99606
Product Information
Product Information
Radiator for Water Coolant Fluid. Porsche 996 / Boxster 986

oematch
SET OF 2

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.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

RADKIT99606
8MK376714291
99610613151
99610613151
99610613150
8MK376713791
99610613251

The product you are viewing cross references to these numbers
RADKIT99601
Product Information
Product Information
Reduces the high water running temperature, which in turn will protect your engine.
Lower operating water temperature up to 60° F

Fits:
Porsche 996 3.4L C2/C4/C4S Upto 2001 Pre-Face Lift
Manual cars only.

Porsche 996 3.6L C2/C4/C4S Upto 2001 Pre-Face Lift
Manual cars only.

Porsche Boxster 2.5L / 2.7L
Manual cars only.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

RADKIT99601
99610603753

The product you are viewing cross references to these numbers
RADKIT99602
Product Information
Product Information
Reduces the high water running temperature, which in turn will protect your engine.
Lower operating water temperature up to 60° F

Fits:
Porsche 996 3.4L C2/C4/C4S 2002 Onwards Face Lift
Manual cars only.

Porsche 996 3.6L C2/C4/C4S 2002 Onwards Face Lift
Manual cars only.

Porsche Boxster 2.5L / 2.7L
Manual cars only.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

RADKIT99602
9965055610201C
99650448702
90037807401
99959186901
99950755001
93011343000
99650448502
90037803601
99657514104
99610666656
99610666558
99951255201
99951249900
99610603753

The product you are viewing cross references to these numbers
99662413500/2KIT
Product Information
Product Information
Radiator water fans. SET OF 2 Porsche 986 Boxster / 996. Fits Left & Right side for LHD or RHD cars 

oematch

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
99662413500

The product you are viewing cross references to these numbers
Special Order item
99970221440
Product Information
Product Information
Grommet. 14 x 20.5 x 7.5

porsche

Fits:
Porsche 996 1998-05
Porsche 986 Boxster 1997>>
Porsche 997 Turbo / GT2
Porsche Carrera GT


Click pictrue for large parts diagram.
Diagram Ref No 15.
Special Order item
99916608309
Product Information
Product Information
Large captive nut for front radiator console; sold individually.

porsche

-- x 10 required per vehicle -- 
Porsche Carrera GT 2004-06
-- x4 required per vehicle --

Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-12 
Porsche 987 Cayman 2006-12
Porsche 996 Carrera 1998-05
Porsche 996 Turbo / GT2 2001-05 
Porsche 996 GT3 1999-05
Porsche 997 Carrera 2005-12 
Porsche 997 GT3 2007-11
-- x2 required per vehicle -- 
Porsche 970 Panamera 2010-16

99610613
Product Information
Product Information
Radiator for water coolant fluid.

mahle

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
99610613151
99610613150
99610613251
99610613181
8MK376714291
8MK 376 714-291
8MK376713791
8MK 376 713-791
59130
59131

The product you are viewing cross references to these numbers
99610613
Product Information
Product Information
Radiator for water coolant fluid

oematch

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
8MK376714291
8MK 376 714-291
99610613181
99610613151
99610613150
8MK376713791
8MK 376 713-791
99610613251
59130
59131
99610613181
99610613251

The product you are viewing cross references to these numbers
Special Order item
99610613
Product Information
Product Information
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.

porsche

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
8MK376714291
99610613151
99610613151
99610613150
8MK376713791
99610613251
59130
59131
99610613151
99610613181

The product you are viewing cross references to these numbers
Special Order item
99610633400
Product Information
Product Information
Radiator Rubber Cap.

porsche

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
99610633400

The product you are viewing cross references to these numbers
Special Order item
99650417
Product Information
Product Information
Radiator Water Bracket.
Left or Right

porsche

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
99650417509
99650417609

The product you are viewing cross references to these numbers
Special Order item
99662413100
Product Information
Product Information
Radiator Water Fan Cowling.

porsche

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.
Special Order item
99662413500
Product Information
Product Information
Radiator water fan.

porsche

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
99662413500

The product you are viewing cross references to these numbers
99662413500/2
Product Information
Product Information
Radiator water fan.

oematch

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
99662413500

The product you are viewing cross references to these numbers
Special Order item
90014611609
Product Information
Product Information
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

Click 'Zoom in' for large parts diagram.
Diagram ref no 5



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90014611609
90014611609

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 20 products)
1 2
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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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