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Heating / Air Conditioning
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Fits:
Porsche 964 1989-94
Porsche 993 1994-98
Diagram Ref No 34.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457390100
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 964 1989-94
Porsche 993 1994-98
Click 'Zoom in' for large parts diagram.
Diagram Ref No 34.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457390100
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- 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
- 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 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 GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Sold each.

Fits:
Porsche 964
Porsche 993
Porsche 996
Porsche 997
Porsche 986 Boxster
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970753441
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- 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
- 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 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 GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
This O-ring provides a secure, leak-free seal at A/C line connections, helping maintain proper refrigerant pressure and system efficiency. Designed for direct replacement, it installs easily during A/C service or repair and helps restore factory-level air conditioning operation without modification.
Sold each.
Fits:
Porsche 964 1989 - 1994
Porsche 993 1995 - 1998
Porsche 996 1998 - 2005
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Porsche 986 Boxster 1997 - 2005
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970753441
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-93
Click 'Zoom in' for large parts diagram.
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457310703
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-93
Click 'Zoom in' for large parts diagram.
Diagram ref no 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457310703
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Fits:
Porsche 964 C2 / C4 / RS 1989-92*
Porsche 964 C2 / C4 / RS 1993-94
*Early cars may need to update adjoining pipe 96457310503 as design has changed and end fittings will be different
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309708
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Fits:
Porsche 964 C2 / C4 / RS 1989-92*
Porsche 964 C2 / C4 / RS 1993-94
*Early cars may need to update adjoining pipe 96457310503 as design has changed and end fittings will be different
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309708
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 >>1992
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
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96457309304
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 >>1992
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309304
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93

Fits:
Porsche 964 C2 / C4 / RS 1989-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309901
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93

Fits:
Porsche 964 C2 / C4 / RS 1989-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309901
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Genuine Porsche Original Equipment (OE) air-conditioning suction pipe, designed to carry low-pressure refrigerant from the evaporator back to the compressor on Porsche 911 964 models. It is a factory-engineered hard line that forms a critical part of the A/C refrigerant circuit.
Fits:
Porsche 964 1989 - 1993
Diagram ref no 20
The suction pipe plays an essential role in the A/C system by returning cooled, low-pressure refrigerant gas to the compressor for re-circulation. Because refrigerant flow efficiency and sealing integrity are highly dependent on correct pipe routing and geometry, Porsche designed this component to maintain exact clearances and minimise stress caused by vibration, engine movement, and thermal expansion.
As a Genuine Porsche OE part, 96457309202 delivers factory-correct performance, durability, and long-term reliability, making it the preferred choice for high-quality repairs, restorations, and A/C system refurbishments.
Installed in the Porsche 964 air-conditioning system, this Genuine OE suction pipe ensures refrigerant is routed exactly as intended by Porsche engineers. Its precise factory geometry maintains correct system clearances, ensures perfect sealing at connection points, and reduces vibration-related stress on adjacent hoses and components, helping preserve overall A/C system integrity and efficiency.
Over time, original A/C pipes can suffer from corrosion, fatigue, deformation, or sealing surface wear, leading to refrigerant leaks and reduced cooling efficiency. Because even minor leaks can compromise system performance, replacing a damaged or aging suction pipe with a Genuine Porsche OE component ensures correct refrigerant flow, reliable sealing, and protection of expensive A/C components such as the compressor.
When to replace:
• Refrigerant leaks detected at pipe joints
• Pipe shows corrosion, cracking, or deformation
• During A/C system overhaul or compressor replacement
• After engine bay damage or improper previous repairs
• Preventive replacement during high-quality restoration work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309202
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Installed within the Porsche 964 air-conditioning system, this suction pipe provides a stable, correctly routed path for refrigerant flow while maintaining factory geometry and clearances. Its precise form ensures full compatibility with original fittings, reduces vibration-related stress on adjacent hoses, and helps prevent misalignment or premature wear of seals and connections, preserving overall system integrity.
Fits:
Porsche 964 1989 - 1993
Diagram ref no 20
The OE Match intake/suction pipe designed as a direct-fit replacement for the original refrigerant/suction line on Porsche 911 964 models. It replicates the factory part’s precise dimensions, bend geometry, and connection interfaces to ensure seamless integration into the air-conditioning and engine intake system.
• Location: Air-conditioning / intake system routing depending on factory configuration
• Form and bend geometry engineered to match factory spec
• Direct OE Match replacement - installs without modification
• Compatible with factory lines and mounting points
Original suction or refrigerant pipes on older vehicles can become cracked, bent, swollen, or porous over time due to heat cycling, vibration, and age. A compromised pipe can cause loss of refrigerant charge, reduced airflow performance, leaks, or inefficient system operation. Installing an OE Match replacement restores the correct routing and integrity of the original system, helping maintain performance and reduce risk of secondary issues caused by leaks or improper alignment.
When to replace:
• Pipe shows cracks, deformation, or seepage
• A/C system loses charge or pressure
• Air-intake or refrigerant lines are damaged during service
• During A/C major service or engine bay restoration
• Preventive refresh on high-mile 964 cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457309202
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
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96457309102
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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96457225
The product you are viewing cross references to these numbers
Porsche Heating & Air Conditioning Parts
Air conditioning and heating are often taken for granted — until they stop working. In a Porsche, comfort and driving enjoyment go hand-in-hand, which makes a properly functioning heating and air conditioning system essential. At Design911, we supply a complete range of AC and heating parts to keep your Porsche’s climate control system working all year round.
From compressors, condensers, and hoses to heating elements, blower motors, and cabin filters, we have everything you need to restore performance and reliability. Whether you drive a classic Porsche or the latest model, our parts are available in both OEM and high-quality aftermarket options, all shipped worldwide.
How Long Does Porsche Air Conditioning Last?
Most manufacturers recommend servicing or regassing your Porsche’s air conditioning every 1–2 years, though some systems may last over 5 years. Even so, routine servicing is important to maintain compressor health and prevent costly failures.
A well-maintained AC system provides:
- Reliable cooling in summer and heating in winter
- Reduced risk of system breakdowns
- Improved air quality inside the cabin
- Increased comfort for driver and passengers
Common Causes of Air Conditioning Failure
When Porsche air conditioning fails, it’s
often due to:
- Low Refrigerant Gas – natural leakage over time reduces cooling efficiency
- Perforated Hoses or Pipes – allowing gas or fluid to escape
- Corroded Condensers – a common cause of AC loss in older vehicles
- Faulty Compressors – leading to complete system failure
These issues are repairable, but costs vary depending on the model and extent of damage. Regular servicing helps catch minor faults before they become major repairs.
How Often Should Heating & AC Be Checked?
To avoid discomfort and costly repairs, have
your Porsche’s heating and air conditioning system checked every 12–24
months. Over time, gas levels naturally decrease, reducing efficiency. If
levels drop too far, you risk:
- Loss of in-cabin cooling/heating
- Increased strain on compressors and other system components
- Expensive repairs from avoidable wear
A service keeps your system in good condition, while a repair addresses specific faults. If major issues are found during a service, we’ll notify you before carrying out any additional work.
Why Choose
Design911 for Porsche Heating & AC Parts?
Shop Porsche Heating & Air Conditioning parts today – from condensers and compressors to hoses and blower motors – and keep your Porsche comfortable in every season.