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Air con condensers & desiccators

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DISPLAYING 1 to 16 (of 17 products)
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AIRCONKIT02
Product Information
Product Information
Air Conditioning (Air Con) Radiator Condenser Kit.

mahle

Includes:
2 x Air Con Radiators Mahle Brand
4 x Rubber O-rings for radiators
1 x Desiccator
2 x Rubber O-rings for desiccator

Fits
Porsche 996 C4S / Turbo / GT2
Porsche 987 Boxster 2005>>
Porsche 987C Cayman 2005>>
Porsche 997 C2 / C2S / C4 / C4S 2005>>
Porsche 997 Turbo / GT2 / GT3

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Related, superseded, cross reference or alternative numbers for comparison.

AIRCONKIT02
99757391102
997.573.911.02
35795
99970743441
99970743441
94457314301
99970726240

The product you are viewing cross references to these numbers
AIRCONKIT04
Product Information
Product Information
Air Conditioning (Air Con) Radiator Condenser Kit.

oematch

Includes:
2 x Air Con Radiators NRF Brand
4 x Rubber O-rings for radiators
1 x Desiccator
2 x Rubber O-rings for desiccator

Fits
Porsche 996 C4S / Turbo / GT2
Porsche 987 Boxster 2005>>
Porsche 987C Cayman 2005>>
Porsche 997 C2 / C2S / C4 / C4S 2005>>
Porsche 997 Turbo / GT2 / GT3

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Related, superseded, cross reference or alternative numbers for comparison.

AIRCONKIT04
99757391102
997.573.911.02
35795
94457314301
99970743441
99970726240
99757391102
94457314301
99970743441
99970726240

The product you are viewing cross references to these numbers
RADKIT987-997.CSF
Product Information
Product Information

Aluminium Water Coolant Radiators & Air Conditioning Condenser Kit

Completely refresh your Porsche's cooling and climate control system with this CSF Aluminium Water Coolant Radiator & Air Conditioning Condenser Kit. Combining CSF's industry-leading cooling technology with OEM+ fitment, this complete kit delivers improved engine cooling, enhanced air conditioning performance and exceptional long-term reliability.

Fits:

  • Porsche Boxster 987 2.7L 2005-08/08
  • Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  • Porsche Boxster 987 MKII 2.9L 2009-12
  • Porsche Boxster S 987 MKII 3.4L 2009-12
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08
  • Porsche 997 MK1 GT3 / GT3 RS 2007-09
  • Porsche 997 MKII Carrera C2 3.6L 2009-12
  • Porsche 997 MKII Carrera C4 3.6L 2009-12
  • Porsche 997 MKII Carrera C2S 3.8L 2009-12
  • Porsche 997 MKII Carrera C4S 3.8L 2009-12
  • Porsche 997 MKII GT3 / GT3 RS 2010-11
  • Porsche Cayman 2.7L 987C 2006-08
  • Porsche Cayman S 3.4L 987C 2005-08
  • Porsche Cayman 2.9L 987C MKII 2009-12
  • Porsche Cayman S / R 3.4L 987C MKII 2009-12

As Porsche 997 and 987 models continue to age, corrosion, blocked cooling fins and road debris can significantly reduce the efficiency of both the engine cooling system and the air conditioning condensers. Replacing these components together restores cooling performance throughout the vehicle while reducing future labour costs and helping prevent overheating or air conditioning failures.

This complete upgrade package is ideal for road cars, fast-road builds, track day vehicles and full restorations.

Kit Contents

This complete cooling package includes:

  • 2 x CSF OEM+ Performance Air Conditioning Condensers
  • 1 x CSF Aluminium Left Water Coolant Radiator
  • 1 x CSF Aluminium Right Water Coolant Radiator 

Together these components provide a complete front-end cooling system upgrade using premium CSF Performance products.

Why Replace the Cooling System Together?

The front-mounted radiators and air conditioning condensers are constantly exposed to:

  • Road debris.
  • Stone impacts.
  • Moisture.
  • Corrosion.
  • Leaves and dirt blocking airflow.

Even when they appear externally clean, internal corrosion and blocked cooling passages can significantly reduce cooling efficiency.

Replacing all four units together provides:

  • Maximum engine cooling performance.
  • Improved air conditioning efficiency.
  • Better airflow through the front cooling pack.
  • Reduced coolant temperatures.
  • Improved refrigerant heat dissipation.
  • Increased long-term reliability.
  • Lower overall installation costs compared with replacing components individually.

Advanced CSF Cooling Technology

CSF has become one of the world's leading manufacturers of high-performance cooling systems, supplying OEM manufacturers, motorsport teams and Porsche enthusiasts worldwide.

Each component in this kit has been developed using modern engineering techniques to outperform the original factory equipment while maintaining direct OE fitment.      

CSF Aluminium Radiators

The CSF  and radiators feature:

  • Premium all-aluminium construction.
  • High-efficiency cooling core.
  • Increased coolant flow.
  • Excellent thermal efficiency.
  • Stronger construction than ageing factory radiators.
  • Superior resistance to corrosion and fatigue.
  • Direct replacement fitment.

Together they provide significantly improved cooling capacity while maintaining factory installation points.

Benefits of the Complete CSF Cooling Upgrade

Replacing both radiators and both condensers at the same time offers numerous advantages:

  • Restores factory cooling performance.
  • Improves air conditioning operation.
  • Reduces engine operating temperatures.
  • Improves airflow through the complete cooling pack.
  • Enhances reliability during spirited road driving and track use.
  • Helps protect expensive engine components.
  • Reduces the likelihood of future cooling system failures.
  • Ideal preventative maintenance on higher mileage vehicles.

Premium Quality Construction

Every CSF component is manufactured to exacting standards using premium materials.

Features include:

  • 100% aluminium construction.
  • Precision TIG-welded assemblies.
  • Satin black corrosion-resistant finish.
  • OEM mounting locations.
  • Plug-and-play installation.
  • No modifications required.
  • Individually leak and pressure tested.
  • Backed by CSF's quality manufacturing standards.       



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

RADKIT987-997.CSF
99710613102
99710613202
99757391102
99657311103
99757391104
99657311102

The product you are viewing cross references to these numbers
8394KIT
Product Information
Product Information

Air Conditioning Condenser Kit 

Restore your Porsche's air conditioning performance with this complete CSF Performance Air Conditioning Condenser Kit. This comprehensive kit contains everything required to replace both front A/C condensers and the receiver drier while renewing the essential sealing O-rings, ensuring a professional and reliable repair.

Fits:

  • Porsche Boxster 987 2.7L 2005-08/08
  • Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  • Porsche Boxster 987 MKII 2.9L 2009-12
  • Porsche Boxster S 987 MKII 3.4L 2009-12
  • Porsche 996 C4S 3.6L 09/01-2005
  • Porsche 996 TURBO 2000-05
  • Porsche 996 GT2 2001-05
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08
  • Porsche 997 MK1 TURBO 2007-09
  • Porsche 997 MK1 GT3 / GT3 RS 2007-0
  • Porsche 997 MK1 GT2 2007-0
  • Porsche 997 MKII Carrera C2 3.6L 2009-12
  • Porsche 997 MKII Carrera C4 3.6L 2009-12
  • Porsche 997 MKII Carrera C2S 3.8L 2009-12
  • Porsche 997 MKII Carrera C4S 3.8L 2009-12
  • Porsche 997 MKII GT3 / GT3 RS 2010-11
  • Porsche 997 MKII Turbo 2010-13
  • Porsche 997 MKII GT2 RS 2011-13
  • Porsche Cayman 2.7L 987C 2006-08
  • Porsche Cayman S 3.4L 987C 2005-08
  • Porsche Cayman 2.9L 987C MKII 2009-12
  • Porsche Cayman S / R 3.4L 987C MKII 2009-12

Diagram ref no 13

As Porsche models age, the front-mounted air conditioning condensers become highly susceptible to corrosion, stone damage and blockage from leaves and road debris. Positioned behind the front bumper air intakes, they are continually exposed to the elements, making them one of the most common causes of poor air conditioning performance and refrigerant leaks.

This kit combines two premium CSF OEM+ Performance Air Conditioning Condensers (CSF #8394) with a new receiver drier and all required sealing O-rings, allowing you to completely refresh the air conditioning system in a single installation.

Kit Contents

  • 2 x CSF OEM+ Performance Air Conditioning Condensers
  • 1 x Air Conditioning Receiver Drier (Desiccator)
  • 4 x Radiator/Condenser Rubber O-Rings
  • 2 x Receiver Drier Rubber O-Rings

Everything required to carry out a complete condenser replacement is supplied within the kit.

Why Replace Both Condensers Together?

The Porsche 996 and 997 platform uses twin front-mounted condensers. If one condenser has deteriorated through corrosion or stone damage, the opposite side is typically in a similar condition.

Replacing both condensers simultaneously offers several advantages:

  • Restores maximum A/C cooling performance.
  • Prevents future refrigerant leaks.
  • Ensures balanced system efficiency.
  • Reduces labour costs by completing both sides at once.
  • Extends the life of the air conditioning compressor.
  • Improves long-term reliability.

Replacing the receiver drier at the same time is strongly recommended whenever the A/C system is opened.

Why Replace the Receiver Drier?

The receiver drier (desiccator) removes moisture and contaminants from the refrigerant circuit.

Over time it becomes saturated, reducing its ability to protect the air conditioning system.

Replacing the drier helps:

  • Remove moisture from the refrigerant.
  • Protect the compressor.
  • Prevent internal corrosion.
  • Improve refrigerant circulation.
  • Maximise cooling performance.
  • Extend the life of the complete A/C system.

Why Choose CSF Performance Condensers?

CSF has become one of the world's leading manufacturers of high-performance cooling components and is trusted by Porsche enthusiasts and professional workshops worldwide.

The CSF condensers utilise advanced cooling technology including:

  • OEM+ Dual-Pass Parallel Flow Core.
High-pressure 16mm 10-channel microtube construction.
Increased refrigerant flow.
  • Larger heat transfer surface area.
  • Multi-louvered cooling fins for improved efficiency.
  • Increased airflow to the engine cooling radiators.
  • Approximately
  • Increased refrigerant flow.
  • Larger heat transfer surface area.
  • Multi-louvered cooling fins for improved efficiency.
  • Increased airflow to the engine cooling radiators.
  • Approximately 5% greater cooling performance than a brand-new OE condenser.
  • Significantly improved performance compared to ageing or partially blocked factory condensers.

Premium Construction

Every CSF condenser features:

  • 100% all-aluminium construction.
  • Satin black corrosion-resistant finish.
  • Laser-cut mounting brackets.
  • OEM-style block fittings.
  • Individually leak and pressure tested.
  • True plug-and-play installation.
  • No vehicle modifications required.

Why Upgrade?

Whether you're restoring a Porsche to showroom condition or simply improving the comfort and reliability of your daily driver, this complete kit offers exceptional value.

Replacing the condensers, receiver drier and sealing O-rings together provides:

  • Improved cabin cooling.
  • Greater cooling system efficiency.
  • Increased airflow to engine radiators.
  • Reduced risk of refrigerant leaks.
  • Enhanced long-term reliability.
  • OE-quality fitment.
  • Straightforward installation.       



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

8394KIT
99757391102
99657311103
99757391104
99657311102

The product you are viewing cross references to these numbers
99970743441/1x10
Product Information
Product Information
O-Ring for Radiator Air Conditioning Radiator and pipes   Size 10.6mm x 2.0mm
PACK OF 10
Fits in Various models

oematch

Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Porsche 996 GT3 MKII
Porsche 997
Porsche Boxster 987

Click picture for large parts diagram.
Diagram Ref No 18.

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

99970743441
99970743441

The product you are viewing cross references to these numbers
Special Order item
99757371100
Product Information
Product Information
Air Condenser Radiator Frame.

porsche

Fits:
Porsche 987 Boxster / Boxster S MKI 2005-08
Porsche 987 Boxster / Boxster S MKII 2009-12
Porsche 987C Cayman / Cayman S MKI 2005-08
Porsche 987C Cayman / Cayman S MKII 2009-13
Porsche 997 MKI Carrera COUPE / CABRIO 2005-08
Porsche 997 MKII Carrera COUPE / CABRIO / TARGA 2009-12
Porsche 997 GT3 / GT RS 2007-11

Click 'Zoom in' for large parts diagram.
Diagram Ref No 6

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

99757371100
99757371100

The product you are viewing cross references to these numbers
Special Order item
99970726240
Product Information
Product Information
O-Ring for Desiccator Air Conditioning O-Ring Seal
Fits in Various models

porsche

Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Porsche 996 GT3 MKII
Porsche 997
Porsche Boxster 987

Click picture for large parts diagram.
Diagram Ref No 20.

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

99970726240
99970726240

The product you are viewing cross references to these numbers
99970726240/1
Product Information
Product Information
O-Ring for Desiccator Air Conditioning O-Ring Seal  Size 6.7mm x 1.8mm
Fits in Various models .

oematch

Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Porsche 996 GT3 MKII
Porsche 997
Porsche Boxster 987

Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.

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

99970726240
99970726240

The product you are viewing cross references to these numbers
Special Order item
99757324301
Product Information
Product Information
Distributing Piece For Air Con Desiccator.

Fits:
Porsche 928 GTS 5.4L 1993>>1995
Porsche 964 1993>>
Porsche 968 1993>>1995
Porsche 993 Carrera 1994>>1998
Porsche 986 Boxster 1997>>2004
Porsche 987.1 Cayman MKI 2005>>2006
Porsche 987.1 Boxster MKI 2005>>2008
Porsche 987.2 Boxster MKII 2009>>2012
Porsche 987.2 Cayman MKII 2009>>2012
Porsche 996 Carrera 1998>>2005
Porsche 996 Turbo / GT2 2001>>2005
Porsche 996 GT3 1999>>2005
Porsche 997.1 Carrera MKI 2005>>2008

Porsche 997.2 Carrera MKII 2009>>2012
Porsche 997.1 Turbo / GT2 MKI 2007>>2009
Porsche 997.2 Turbo / GT2 RS MKII 2010>>2013
Porsche 997 GT3 MKI / MKII 2007>>2011

Diagram Ref No 24



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

99757324301
99757324301
94457324400
99357324300
99757324300

The product you are viewing cross references to these numbers
8394
Product Information
Product Information

Performance A/C Condenser - fits Left and Right Hand Side

Upgrade your Porsche's air conditioning and cooling system with the CSF Performance A/C Condenser. This premium all-aluminium condenser combines OE fitment with modern cooling technology to deliver superior performance, durability and airflow compared with the factory condenser.

Fits:

  • Porsche Boxster 987 2.7L 2005-08/08
  • Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  • Porsche Boxster 987 MKII 2.9L 2009-12
  • Porsche Boxster S 987 MKII 3.4L 2009-12
  • Porsche 996 C4S 3.6L 09/01-2005
  • Porsche 996 TURBO 2000-05
  • Porsche 996 GT2 2001-05
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08
  • Porsche 997 MK1 TURBO 2007-09
  • Porsche 997 MK1 GT3 / GT3 RS 2007-0
  • Porsche 997 MK1 GT2 2007-0
  • Porsche 997 MKII Carrera C2 3.6L 2009-12
  • Porsche 997 MKII Carrera C4 3.6L 2009-12
  • Porsche 997 MKII Carrera C2S 3.8L 2009-12
  • Porsche 997 MKII Carrera C4S 3.8L 2009-12
  • Porsche 997 MKII GT3 / GT3 RS 2010-11
  • Porsche 997 MKII Turbo 2010-13
  • Porsche 997 MKII GT2 RS 2011-13
  • Porsche Cayman 2.7L 987C 2006-08
  • Porsche Cayman S 3.4L 987C 2005-08
  • Porsche Cayman 2.9L 987C MKII 2009-12
  • Porsche Cayman S / R 3.4L 987C MKII 2009-12

Diagram ref no 13

As Porsche's water-cooled models continue to mature, maintaining an efficient cooling system becomes increasingly important. Blocked, corroded or ageing condensers reduce air conditioning efficiency while also restricting airflow to the engine cooling radiators positioned behind them. CSF has engineered this condenser as a direct replacement that not only restores A/C performance but also improves overall cooling system efficiency.

The CSF Performance Condenser is the perfect complement to the award-winning CSF 997/987 Side Radiators (CSF #7047, #7048, #7055 and #7056), creating a complete OEM+ cooling solution for both road and track-driven Porsche models.

Advanced CSF Cooling Technology

With decades of experience manufacturing high-performance cooling systems for OEM manufacturers, motorsport and aftermarket applications, CSF has developed a condenser that significantly improves upon the original Porsche design.

Unlike many replacement condensers, the CSF unit incorporates a Dual-Pass Cross-Flow Parallel Condenser Core with advanced microtube technology to maximise cooling efficiency while maintaining factory fitment.

The result is:

  • Faster cabin cooling.
  • Improved refrigerant efficiency.
  • Better airflow to the engine radiators.
  • Improved engine cooling under demanding conditions.
  • Enhanced long-term durability.
  • Direct OE replacement installation.

Superior Performance Over the Original Condenser

The factory Porsche condenser uses a conventional parallel-flow design. CSF improves upon this by incorporating a 16mm high-pressure 10-channel microtube core, providing increased refrigerant flow and significantly greater surface area for heat transfer.

This advanced core is combined with 26 rows of cooling tubes and 27 rows of 8mm multi-louvered cooling fins, allowing the condenser to dissipate heat more effectively while simultaneously increasing airflow to the cooling radiators behind it.

Compared with a brand-new factory condenser, the CSF unit delivers approximately 5% greater cooling performance, while offering a substantially larger improvement over older condensers suffering from corrosion, blocked fins or accumulated road debris.

Why Upgrade to the CSF OEM+ Condenser?

Whether your Porsche is a daily driver, weekend sports car or dedicated track machine, upgrading the condenser provides several important benefits.

Improved Air Conditioning Performance

The advanced microtube core transfers heat more efficiently, allowing the air conditioning system to cool the cabin faster and operate more effectively in high ambient temperatures.

Better Engine Cooling

The optimised fin design allows more air to reach the radiators mounted behind the condenser, improving coolant temperatures during spirited driving, track use and hot weather.

Increased Durability

Constructed entirely from aluminium using modern manufacturing techniques, the CSF condenser offers excellent resistance to corrosion, vibration and long-term fatigue.

Outstanding Value

The CSF Performance Condenser delivers improved cooling performance while often costing significantly less than purchasing a new Genuine Porsche condenser.



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

8394
99757391102
99657311103
99757391104
99657311102

The product you are viewing cross references to these numbers
94457314301/1
Product Information
Product Information
Radiator air conditioning (air con) condenser desiccator, also know as the receiver/dryer.
We recommend changing the receiver/dryer when changing the AC radiator.

(also purchase 2 o-rings Part No 99970726240)

Fits:
Porsche 968 1992 - 1995
Porsche 964 1993 >>
Porsche 993 C2, C4, Turbo
Porsche 996 C2, C4, GT2, GT3, Turbo
Porsche 997 Turbo
Porsche 997 C2, C2S, C4, C4S,
Porsche 991 Turbo
Porsche 991 C2, C2S, C4, C4S,
Porsche Boxster 986, 987, 981, 718 (982) 1997>>
Porsche Cayman 987C, 981C, 718C (982C) 2005>>

Diagram Ref No 3.

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

94457314301
94457314301
33031
8FT351197151
94457314301
9533071B20
9533072B00
99657304300
99757304300

The product you are viewing cross references to these numbers
Special Order item
94457314301
Product Information
Product Information
Radiator air conditioning (air con) condenser desiccator, also know as the receiver/dryer.
We recommend changing the receiver/dryer when changing the AC radiator.

(also purchase 2 o-rings Part No 99970726240)

Fits:
Porsche 968 1992 - 1995
Porsche 964 1993 >>
Porsche 993 C2, C4, Turbo
Porsche 996 C2, C4, GT2, GT3, Turbo
Porsche 997 Turbo
Porsche 997 C2, C2S, C4, C4S,
Porsche 991 Turbo
Porsche 991 C2, C2S, C4, C4S,
Porsche Boxster 986, 987, 981, 718 (982) 1997>>
Porsche Cayman 987C, 981C, 718C (982C) 2005>>

Diagram Ref No 3.

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

94457314301
94457314301
94457314301
9533071B20
9533072B00
99657304300
99757304300

The product you are viewing cross references to these numbers
94457314301/2
Product Information
Product Information
Radiator air conditioning (air con) condenser desiccator, also know as the receiver/dryer.
We recommend changing the receiver/dryer when changing the AC radiator.

(also purchase 2 o-rings Part No 99970726240)

Fits:
Porsche 968 1992 - 1995
Porsche 964 1993 >>
Porsche 993 C2, C4, Turbo
Porsche 996 C2, C4, GT2, GT3, Turbo
Porsche 997 Turbo
Porsche 997 C2, C2S, C4, C4S,
Porsche 991 Turbo
Porsche 991 C2, C2S, C4, C4S,
Porsche Boxster 986, 987, 981, 718 (982) 1997>>
Porsche Cayman 987C, 981C, 718C (982C) 2005>>

Diagram Ref No 3.

Also known as the A/C desiccator or condenser dryer, this component filters refrigerant and removes moisture, ensuring the system operates efficiently and reliably.

Location: In the A/C system, mounted in line between the condenser and the expansion valve

What this product does:
•  Removes moisture and contaminants from the refrigerant
•  Acts as a reservoir for refrigerant in the A/C system
•  Protects the compressor and other A/C components from damage caused by water or debris
•  Helps maintain cold, efficient air conditioning

Over time, the receiver/drier becomes saturated with moisture or clogged with debris, reducing cooling efficiency and potentially damaging the A/C compressor. Replacing it with an OE Match unit during A/C service or after opening the system ensures long-lasting cooling performance, reliability, and protection for expensive components.

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

94457314301
33031
8FT351197151
94457314301
9533071B20
9533072B00
99657304300
99757304300
982820077

The product you are viewing cross references to these numbers
Special Order item
99970743441
Product Information
Product Information
O-Ring for radiator air conditioning radiator and pipes

Fits in Various models

porsche

Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Porsche 996 GT3 MKII
Porsche 997
Porsche Boxster 987

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

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

99970743441
99970743441
99970725040

The product you are viewing cross references to these numbers
99970743441/1
Product Information
Product Information
O-Ring for Radiator Air Conditioning Radiator and pipes   Size 10.6mm x 2.0mm

Fits in Various models

oematch

Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Porsche 996 GT3 MKII
Porsche 997
Porsche Boxster 987

Click picture for large parts diagram.
Diagram Ref No 18.

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

99970743441
99970743441

The product you are viewing cross references to these numbers
Special Order item
99970743941
Product Information
Product Information
O-Ring for Radiator Air Conditioning (Air Con) and pipe,  23.8 x 2.4 mm
The Porsche Genuine OE O-Ring Seal (Part No. 99970743941) is a precision-engineered sealing ring used within the air conditioning (A/C) system, specifically at the radiator (condenser) and pipe connections. It is designed to provide a tight, leak-free seal between A/C components.
Sold individually

Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2005 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 982 Boxster 2017>>
Porsche 987C.1 Cayman 2006 - 2008
Porsche 981C Cayman 2014 - 2016
Porsche 982C Cayman 2017>>
Porsche 996 1998 - 2005
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Porsche 991.1 2012 - 2016
Porsche 991.2 2017 - 2019

Diagram ref no 17

This O-ring seals the junction between the air conditioning condenser (radiator) and associated refrigerant pipes, preventing leaks of refrigerant gas.

By maintaining a sealed system, it ensures proper cooling performance, system pressure, and efficiency of the vehicle’s climate control system.

Functions & Technical Role
•  Refrigerant sealing: Prevents gas leaks at A/C connections
•  Pressure retention: Maintains correct system pressure
•  Thermal resistance: Designed to withstand heat and cooling cycles
•  System protection: Prevents contamination and moisture ingress
•  OEM precision: Exact dimensions (approx. 23.8 x 2.4 mm) for proper fitment

Fitment / Position on car
  Fitting position: Air conditioning system
  Location: Between A/C condenser (radiator) and refrigerant pipes/hoses
  System: Climate control / air conditioning refrigerant circuit

O-rings in A/C systems are exposed to pressure, refrigerant chemicals, and temperature cycles, which can cause them to harden or fail over time. A worn or damaged seal can lead to:
  Loss of refrigerant gas
  Reduced or no air conditioning performance
  Increased system pressure issues
  Costly A/C system repairs

Replacing with a genuine Porsche OE O-ring ensures proper sealing, restores cooling efficiency, and protects the entire A/C system.

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

99970743941
99970738240
99970743941

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About Air con condensers & desiccators

Porsche Air Conditioning Condensers & Desiccators | Efficient Cooling Performance & Climate Control Reliability

The air conditioning condenser and desiccator are essential components of your Porsche’s climate control system. The condenser cools and condenses refrigerant gas into liquid form, while the desiccator (or receiver-dryer) removes moisture and contaminants — ensuring efficient cooling and long-term A/C performance.

At Design911, we supply precision-engineered A/C condensers and desiccators designed to meet or exceed original performance standards. Built with high-efficiency cooling fins and corrosion-resistant materials, these components ensure dependable operation, consistent cabin comfort, and reliable refrigerant flow in all driving conditions.

Whether you’re repairing a leaking condenser or restoring a complete air conditioning system, our Porsche condensers and desiccators deliver the performance, durability, and efficiency expected from premium climate-control components.

What Do Air Conditioning Condensers & Desiccators Do?

Together, these components regulate temperature and protect the A/C system from moisture and contaminants.

Core Functions:

  • Condenser: Converts high-pressure refrigerant gas into liquid by dissipating heat.
  • Desiccator (Receiver-Dryer): Filters refrigerant and removes moisture to prevent internal corrosion or ice formation.
  • Maintains optimal refrigerant pressure and temperature balance.
  • Ensures cold, efficient air output inside the cabin. Protects the compressor and A/C valves from contamination damage.

Without proper cooling and moisture control, the air conditioning system can lose efficiency, leading to poor cooling, corrosion, or compressor failure.

Why Do Condensers & Desiccators Fail or Degrade?

Constant exposure to heat, vibration, and road debris makes condensers and desiccators prone to wear and corrosion. Over time, they can lose effectiveness or develop leaks.

Common Causes of Failure Include:

  • Physical damage from road debris or stone impact.
  • Corrosion from moisture or road salt.
  • Clogged fins or tubes reducing airflow and cooling efficiency.
  • Moisture saturation in the desiccator leading to internal freezing.
  • Age-related wear causing refrigerant leaks or reduced pressure.

When these parts fail, symptoms include reduced cooling performance, A/C warning lights, foggy windows, or compressor noise — clear signs that replacement is required.

Why Replace Your Porsche A/C Condenser & Desiccator?

Replacing worn or leaking A/C components restores efficient cooling, improves air quality, and protects the compressor from costly damage. Upgraded units provide enhanced thermal transfer and durability for consistent year-round comfort.

Key Benefits:

  • Restores full air conditioning performance and reliability.
  • Prevents refrigerant leaks and system contamination.
  • Protects compressor and valves from moisture-related wear.
  • Improves heat dissipation and cabin cooling efficiency.
  • Precision-fit replacements for Porsche 911, Cayman, Boxster, Panamera, Macan, and more.
  • Ideal for system servicing, rebuilds, and preventative maintenance.

It’s recommended to replace the desiccator whenever the A/C system is opened or recharged to maintain long-term system protection.

Highlights

  • Premium Porsche A/C condensers and desiccators.
  • High-efficiency aluminium cores for superior cooling.
  • Corrosion-resistant coatings for long service life.
  • Filters moisture and debris for compressor protection.
  • Direct-fit designs for Porsche road and performance models.
  • Essential for restoring optimal air conditioning performance.       

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