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Heater hoses & pipes

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DISPLAYING 49 to 64 (of 69 products)
<< 2 3 4 5
91157202502/1
Product Information
Product Information
Heating tube inside sill, Ø55 mm, length 685 mm.
This heating tube inside sill is a high-quality replacement air-duct tube designed to channel warm air from the exhaust-heated heating system through the sill area of classic Porsche 911 models built from 1969 through 1989 and 356 B/C models. It matches the original part’s fit and performance to maintain proper heating airflow in your vehicle’s cabin.

Fits:
Porsche 356 B/C 1.6 01/1959 - 12/1965
Porsche 911 2.0-3.3 08/1968 - 07/1989
Porsche 912 1.6 01/1965 - 02/1970
Porsche 914 1.7-2.0 01/1969 - 07/1974

Diagram ref no 15

The heating tube directs hot air generated by the engine’s exhaust-heated heat exchangers into the cabin area via the sill ducting. This ensures your classic Porsche’s heater system distributes warmth effectively, improving defogging, defrosting, and passenger comfort in cooler weather.

Function: Installed along the inner sill section, this tube captures heat from the heater system and delivers it through the duct network into the footwell or cabin air distribution points. A properly functioning heater tube helps maintain consistent cabin temperature and prevents heat loss due to damage or age-related degradation of the original ducting.

Over decades of use, original heater tubes can become cracked, brittle, or collapsed, leading to poor airflow, heat loss, or even exhaust gas intrusion into the cabin air system. Replacing the deteriorated tube with an OE Match unit restores effective hot-air distribution, improves cabin comfort and heater efficiency, and keeps the vintage heating system functioning as intended.

Replace this heating tube when you notice:
•  Weak or inconsistent warm air delivery from the heater
  Deteriorated, cracked, or collapsed heater tubing
  Excessive heat loss before reaching the cabin
  Unusual smells from heater ducts (possible leaks)
  During full heater system or sill restoration work

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91157202502
91157202502

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99951214502/1
Product Information
Product Information
Hose clamp for water drain sleeve.

Fits: 
Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 911 1978-1983 3.0L / SC
Porsche 911 1984-1986 3.2L




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99951214502
99951214502

The product you are viewing cross references to these numbers
Special Order item
99951205202
Product Information
Product Information
Hose clip heater hose

Sold each - 4 required per car

porsche

Fits:
Porsche 911 - 1965 to 1968

Click 'Zoom in' for large parts diagram.
Diagram ref no 43



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99951205202
99951205202

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Special Order item
90157134532
Product Information
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Hose Piece For Ventilation And Heater.
Sold Each.
x2 Required Per Car.

Fits:
Porsche 911 / 912 1970>>1989

Diagram Ref No 17

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90157134532
90157134532
91157131500

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Special Order item
91157108601
Product Information
Product Information
Hot air cabin air duct for RHD cars.

Fits:
For RHD cars
Porsche 911 1977-89
Porsche 911 Turbo 1977

Diagram ref no 15

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91157108601
91157108601

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Special Order item
93021132301
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Hot Air Duct For Blower

porsche

Fits:
Porsche 911 Carrera 3.2L 1984-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 7.

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93021132301
93021132301

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91110682700
Product Information
Product Information
Hot air Socket Cover Plate.

porsche

Fits:
Porsche 911 1970-76
Porsche 911 Turbo 1975-89
Porsche 914-6 1970-76
Porsche 964 Turbo 1991-94

Click 'Zoom in' for large parts diagram.
Diagram ref no 7.

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91110682700
91110682700

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Special Order item
91110633100
Product Information
Product Information
Hot air socket support bracket

porsche

Fits:
Porsche 911 1969-89
Porsche 914-6 1970-76

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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91110633100
91110633100

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Special Order item
93010632102
Product Information
Product Information
Hot air socket. LEFT, REAR.

Fits:
Porsche 911 1968-73
Porsche 911 TURBO 3.0L / 3.3L 1975-89
Porsche 914-6 1970-76

Diagram ref no 4

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93010632102
93010632102
93010632101
93010602150

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93010632102/1
Product Information
Product Information
Hot air socket. LEFT, REAR.

Fits:
Porsche 911 1968-73
Porsche 911 TURBO 3.0L / 3.3L 1975-89
Porsche 914-6 1970-76

Diagram ref no 4

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93010632102
93010632102
93010632101
93010602150

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Special Order item
91110632700
Product Information
Product Information
Hot air socket. RIGHT, REAR.

porsche

Fits:
Porsche 911 1970-77
Porsche 911 TURBO 3.0L / 3.3L 1975-89
Porsche 964 TURBO 3.3L / 3.6L 1991-94
Porsche 914-6 1970-76

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

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91110632700
91110682700

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Special Order item
91457212310
Product Information
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Hot air tube, From central air blower in front trunk to air direction vents. 60mm x 445.

porsche

Fits:
Porsche 911 / 912 1965-89
Porsche 930 1975-89
Porsche 914 1970-76

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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91457212310
91457212310

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90157291120/1
Product Information
Product Information
Orange foam defroster pipe rear defroster tube. 
Sold each - 2 required per car

Fits:
Porsche 911 - 1965 to 1968

Section of diagram ref no 24

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90157291120
90157291120

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PP221D
Product Information
Product Information
Rear defrost vent, Left & Right.
OE Porsche numbers: 90157204122, 90157204222, 99970204050.

Fits:
Porsche 911/912 (1965-68)

Diagram ref no 22 and 23

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PP221D
90157204122
90157204222
99970204050

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93021133904/1
Product Information
Product Information
Rubber sleeve heat exchanger.  Connects heat exchangers to heating air pipe tube.
Sold each - 2 required per car.

Fits:

Porsche 911 3.2 Carrera - 1984 to 1989

Diagram ref no 22



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93021133904
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93021133901

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93021133904
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Rubber Sleeve Heat Exchanger.  Connects Heat Exchangers To Heating Air Pipe Tube.
Sold Each, x2 Required Per Car.

Fits:

Porsche 911 3.2L Carrera 1984>>1989

Diagram Ref No 22



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93021133904
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93021133901

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DISPLAYING 49 to 64 (of 69 products)
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About Heater hoses & pipes

Porsche Heater Hoses & Pipes | Reliable Coolant Flow & Cabin Heating Efficiency

Heater hoses and pipes are essential components in your Porsche’s heating and cooling system. They carry heated coolant from the engine to the heater core, enabling warm air circulation throughout the cabin. Without properly functioning hoses and pipes, the heating system cannot deliver consistent temperature control or maintain efficient engine cooling.

At Design911, we supply premium heater hoses and coolant pipes that meet or exceed original engineering standards. Constructed from high-quality rubber, aluminium, or reinforced composite materials, these components ensure leak-free performance, excellent heat resistance, and long-term durability.

Whether you’re restoring a classic 911 or maintaining a modern Porsche with advanced climate control systems, our heater hoses and pipes provide the precision, fitment, and performance required for dependable heating and cooling.

What Do Heater Hoses & Pipes Do?

Heater hoses and pipes form the circulation path that carries hot coolant from the engine to the heater core, allowing the HVAC system to provide warm air inside the cabin.

Core Functions:

  • Transfer heated coolant to the heater core for cabin warming.
  • Maintain proper coolant flow between engine and heating system.
  • Regulate temperature and prevent air pockets in the system.
  • Ensure efficient heat exchange for passenger comfort.
  • Protect against coolant loss and overheating.

A properly functioning set of hoses and pipes is critical for both engine cooling performance and interior heating efficiency.

Why Do Heater Hoses & Pipes Fail or Degrade?

These components endure constant heat, pressure, and vibration. Over time, material fatigue and corrosion can lead to leaks or blockages.

Common Causes of Failure Include:

  • Age-related cracking, swelling, or brittleness of rubber hoses.
  • Corrosion or pinhole leaks in metal pipes.
  • Coolant contamination or chemical degradation.
  • Loose or damaged hose clamps causing leaks.
  • Blockages from scale or debris restricting coolant flow.

When heater hoses or pipes fail, symptoms include coolant leaks, weak cabin heat, overheating, or a sweet smell of antifreeze inside the cabin.

Why Replace Your Porsche Heater Hoses & Pipes?

Replacing worn or damaged heater hoses and pipes restores proper coolant circulation, prevents leaks, and ensures stable heating and engine temperature control.

Key Benefits:

  • Restores efficient coolant flow and cabin heating performance.
  • Prevents leaks, overheating, and engine damage.
  • Improves reliability and system pressure integrity.
  • Resistant to heat, pressure, and corrosion for long lifespan.
  • Direct-fit replacements for Porsche 911, Cayman, Boxster, Panamera, Macan, and Cayenne models.
  • Ideal for maintenance, restorations, or performance upgrades.

It’s recommended to replace heater hoses and clamps during coolant service intervals to maintain maximum system reliability.

Highlights

  • Precision-engineered Porsche heater hoses and coolant pipes.
  • Constructed from high-quality, heat-resistant materials.
  • Direct-fit replacements for Porsche models old and new.
  • Designed for long-term resistance to pressure and corrosion.
  • Ensures reliable heating and engine cooling performance.
  • Ideal for restoration, servicing, and preventative maintenance.       

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