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Heating / Air Conditioning
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356 / A 1950-59
Porsche 356 B / C 1960-65
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64421125100KIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356A - 1955 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965
Section of diagram ref no 30
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Related, superseded, cross reference or alternative numbers for comparison.
61610604
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 / A 1950-59
Porsche 356 B / C 1960-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
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PCG07401401
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 A/B/C (1950 to 1965)
Click 'Zoom in' for large parts diagram.
Diagram ref nos 5, 6, 7, 8.
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Related, superseded, cross reference or alternative numbers for comparison.
PCG35621100
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
Sold as a pair
Fits:
Porsche 356A - 1955 to 1959
Defrost Vents for Coupe / Speedster / Convertible D / Roadster.
Diagram ref no 2
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64457204506
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356 50-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
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53906541
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59

Fits:
Porsche 356 A-T1
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64457101500B
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63

Fits:
Porsche 356 A-T2
Porsche 356 B-T5
Related reference numbers
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64457101501B
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
Set of 2
This is new production replica using chrome plated brass and steel as original like they were produced for Pre A 356 models during 1955-59
Fits:
Porsche 356 A-T1
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64457101500
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356 all
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64457111100
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 / A 1950-59
Porsche 356 B / C 1960-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
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PCG21125100
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356 A (NOT for Carrera)
Porsche 356 B
Porsche 356 C
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
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64421175100
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 356, 356A
Click 'Zoom in' for large parts diagram.
Diagram ref no 32
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53906644
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59

Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1555 to 1959
Not for Carrera
Heater box vent hose 50x130mm.
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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64421192100
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
Sold each - 2 required per car

Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1555 to 1959
Not for Carrera
Heater box hose 50mm x 270mm
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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64421192105
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1555 to 1959
Not for Carrera
Flexible Stainless Steel (approx 140mm )
Diagram ref no 1
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35655120
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.