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Design 911
Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors.
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Original Porsche Part Genuine Porsche part 99657311102
Code: 99657311102
Genuine Porsche part
Original Porsche Part
Additional information:
• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.
Before purchasing thoroughly check part to confirm compatibility.
• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.
Before purchasing thoroughly check part to confirm compatibility.
Vehicle Group
- We are unable to provide fitting details for this product at this time. Please contact us for further information.
Price: £444.04
Orderable - 14 - 28 Days
Related products
99757391101
Product Information

Fits Left or Right side
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Click picture for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391101
The product you are viewing cross references to these numbers
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser. 
Fits Left or Right side
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Click picture for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391101
99657311100
35307
99757391101
16-1260A
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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
Price: £357.28
Orderable - 14 to 28 Days
99757391104/1
Product Information
Fits: Left or Right Side.
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
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391104
The product you are viewing cross references to these numbers
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser. Fits: Left or Right Side.
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
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391104
99757391102
35795
1627200300
99657311103
99657311102
8FC 351 301-421
99757391104
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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 2007-09
- Porsche 997 MK1 GT2 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 Turbo 2010-13
- 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
Price: £74.50
In Stock - 24 Hour Dispatch
AIRCONKIT01
Product Information

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 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AIRCONKIT01
The product you are viewing cross references to these numbers
Product Information
Air Conditioning (Air Con) Radiator Condenser Kit. 
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 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AIRCONKIT01
99657311100
35307
99970743441
99970743441
99757391101
99757391101
94457314301
94457314301
99970726240
99970726240
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
2 x Radiator air conditioning (Air Con) condenser. Porsche 986 / 996 (99757391101/2)
1 x Radiator air conditioning (air con) condenser desiccator. Porsche 968 / 993 / 996 / 997 / 991 / 986 / 987 / 987C / 718 (94457314301/1)
4 x Radiator air conditioning (air con) O-ring seal. Porsche 986 / 996 (99970743441/1)
2 x Desiccator air conditioning (air con) o-ring seal. Porsche (99970726240/1)
Vehicle Group
Vehicle Group
- 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
Price: £227.80
In Stock - 3- 5 Days Dispatch
99757391102
Product Information

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
Fits: Left or Right Side.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391102
The product you are viewing cross references to these numbers
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser. 
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
Fits: Left or Right Side.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391102
99757391102
997.573.911.02
35795
1627200300
99657311103
99657311102
8FC 351 301-421
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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 2007-09
- Porsche 997 MK1 GT2 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 Turbo 2010-13
- 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
Price: £389.58
Orderable - 14 to 28 Days
99757391101/2
Product Information

Fits Left or Right side
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391101
The product you are viewing cross references to these numbers
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser. 
Fits Left or Right side
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391101
99657311100
35307
8FC351300694
8FC351300691
99757391101
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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
Price: £89.00
In Stock - 24 Hour Dispatch
AIRCONKIT03
Product Information
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 996 C2 / C4 1998 - 2005
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Kit Includes:
2 x Air Con Radiators
4 x Rubber O-rings for radiators
1 x Desiccator
2 x Rubber O-rings for desiccator
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AIRCONKIT03
The product you are viewing cross references to these numbers
Product Information
Air Conditioning (Air Con) Radiator Condenser Kit.Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 996 C2 / C4 1998 - 2005
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Kit Includes:
2 x Air Con Radiators
4 x Rubber O-rings for radiators
1 x Desiccator
2 x Rubber O-rings for desiccator
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
AIRCONKIT03
99757391101
99657311100
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
2 x Radiator air conditioning (Air Con) condenser. Porsche 986 / 996 (99757391101/3)
1 x Radiator Air Conditioning (Air Con) Condenser Desiccator. Porsche 968 / 993 / 996 / 997 / 991 / 986 / 987 / 987C / 981 / 718 (94457314301/2)
4 x Radiator air conditioning (air con) O-ring seal. Porsche 986 / 996 (99970743441/1)
2 x Desiccator air conditioning (air con) o-ring seal. Porsche (99970726240/1)
Vehicle Group
Vehicle Group
- 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
Price: £143.30
In Stock - 3- 5 Days Dispatch
99757391101/3
Product Information
Fits Left or Right side
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391101
The product you are viewing cross references to these numbers
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser.
Fits Left or Right side
Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2 / C4 1998-05
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 GT3 RS
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391101
16-1260A
99657311100
35307
99757391101
35307
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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
Price: £50.00
In Stock - 24 Hour Dispatch
99757391104/2
Product Information
Fits Left or Right side
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
Fits: Left or Right Side.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391104
The product you are viewing cross references to these numbers
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser. Fits Left or Right side
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
Fits: Left or Right Side.
Diagram Ref No 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391104
99757391102
99657311103
99657311102
99757391104
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- We are unable to provide fitting details for this product at this time. Please contact us for further information.
99757391104/3
Product Information
The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser.
Sold each, Fits Left or Right side
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
Diagram Ref No 13.
The A/C condenser’s primary role is to release heat absorbed by the refrigerant during the air conditioning cycle. Hot, high-pressure refrigerant gas from the compressor passes through the condenser’s cooling fins where it dissipates heat to ambient air, condensing into a liquid before continuing through the A/C system. This process is critical for effective cabin cooling.
Function:
• Heat Dissipation: Converts hot refrigerant gas into a liquid by expelling heat into the surrounding air.
• Air Conditioning Efficiency: Helps maintain optimal refrigeration cycle efficiency, contributing to strong cabin cooling performance.
• Durable Construction: Often constructed from aluminium with brazed cooling fins to provide lightweight yet durable heat-exchange performance.
A faulty A/C condenser significantly reduces the effectiveness of your air conditioning system. Leaks, internal blockages, or bent fins caused by debris can allow refrigerant to escape and reduce heat transfer efficiency. Replacing the condenser restores proper refrigerant flow and cooling performance, ensuring your cabin stays cool and your A/C system operates reliably.
Replace this condenser if you notice any of the following:
• Air conditioning blows warm or weak air
• Visible damage to fins or core (bent or crushed)
• Refrigerant leaks or hissing sounds from the A/C condenser
• Frequent A/C system pressure drops
• Afterfront-end damage that impacts the condenser area
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391104
The product you are viewing cross references to these numbers
Product Information
Radiator air conditioning (Air Con) condenser. The air conditioning condenser, changes the phase of the refrigerant and expels heat removed from the car. Radiator Aircon Condenser.
Sold each, Fits Left or Right side
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
Diagram Ref No 13.
The A/C condenser’s primary role is to release heat absorbed by the refrigerant during the air conditioning cycle. Hot, high-pressure refrigerant gas from the compressor passes through the condenser’s cooling fins where it dissipates heat to ambient air, condensing into a liquid before continuing through the A/C system. This process is critical for effective cabin cooling.
Function:
• Heat Dissipation: Converts hot refrigerant gas into a liquid by expelling heat into the surrounding air.
• Air Conditioning Efficiency: Helps maintain optimal refrigeration cycle efficiency, contributing to strong cabin cooling performance.
• Durable Construction: Often constructed from aluminium with brazed cooling fins to provide lightweight yet durable heat-exchange performance.
A faulty A/C condenser significantly reduces the effectiveness of your air conditioning system. Leaks, internal blockages, or bent fins caused by debris can allow refrigerant to escape and reduce heat transfer efficiency. Replacing the condenser restores proper refrigerant flow and cooling performance, ensuring your cabin stays cool and your A/C system operates reliably.
Replace this condenser if you notice any of the following:
• Air conditioning blows warm or weak air
• Visible damage to fins or core (bent or crushed)
• Refrigerant leaks or hissing sounds from the A/C condenser
• Frequent A/C system pressure drops
• Afterfront-end damage that impacts the condenser area
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757391104
99757391102
99657311103
99657311102
99757391104
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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 2007-09
- Porsche 997 MK1 GT2 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 Turbo 2010-13
- 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
Price: £65.00
In Stock - 24 Hour Dispatch
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