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- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Restore correct heater/vent box flap control with this genuine OEM cable. Fits Porsche 911 models (1974-86) equipped with automatic heating systems. This cable connects the control lever to the heater-box flap, ensuring proper airflow path and system response.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 67
What This Product Does:
- The heater flap cable mechanically connects from the heater control lever or vacuum system to the flap inside the heater box. When the control is moved, the cable pulls or pushes, causing the flap to open or close, thereby directing airflow or changing air path.
- In automatic heating setups, this cable ensures the correct behaviour of the heater box when the system automatically changes mode (or when the driver changes modes).
- Ensures the heating/ventilation system functions as designed — correct air distribution, correct fresh/recirc mode, proper temperature control and prevents unwanted airflow or leakage.
Symptoms & Signs You May Need To Replace:
- The heating or ventilation flap does not respond when you move the control lever — i.e., lever moves but no flap movement.
- The flap moves sluggishly or hangs / sticks, indicating the cable inner core or outer sheath may be worn, binding or broken.
- Unusual airflow behaviour — e.g., airflow coming from unexpected vents because the flap didn’t move to the correct position.
- Visible damage: the cable may be frayed, the sheath may be cracked, the ends may be corroded or the attachment at either end may be worn or broken.
- During removal of the heater box or when inspecting the system — if the original cable is very old, brittle or worn, replacement is prudent.
Why Replacement Matters:
- Maintains comfort & function: A properly working heater/vent system ensures correct airflow and temperature — a faulty flap cable can compromise comfort.
- Prevents further damage: If the cable fails and the flap sticks in one position, other parts of the HVAC system may suffer (for example heater core bypassing, unwanted recirculation, increased load).Restores correct system operation: For classic cars (such as a 1970s/80s 911/930) ensuring all original mechanical linkages are correct helps preserve value and usability.
- Cost-effective repair: Replacing a small cable is far cheaper and easier than diagnosing confused HVAC behaviour and replacing larger components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91142470102
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Heater Cable
Restore correct operation of the cabin heating
system in your classic Porsche with this OE Match heater cable. Designed as a
direct replacement for the original heater control cable, helping to transfer
movement from the interior heater control to the heater mechanism. A worn,
stretched, seized or damaged cable can make the heater difficult to operate,
prevent the control from moving through its full range or leave the heating
system stuck in one position.
Fits:
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram ref no 17
Manufactured to OE specifications, this replacement cable provides the correct fit, length and operating movement required for a dependable repair while preserving the factory-style function of the original heating controls.
What Does the Heater Cable Do?
The heater cable forms part of the mechanical control system used to regulate the flow of heated air into the cabin.
When the heater control is operated, the cable transfers that movement to the heater mechanism, allowing the driver to open, close or adjust the heating system. The cable must move freely and maintain the correct tension for the control system to work properly.
A correctly functioning cable helps provide:
- Smooth movement of the heater control
- Reliable opening and closing of the heater mechanism
- Accurate adjustment of cabin heat
- Proper control travel
- Consistent operation of the original heating system
Why Replace the Heater Cable?
After decades of use, the original cable can deteriorate through corrosion, repeated movement, contamination or internal wear.
Common problems include:
- Cable stretching
- Frayed inner wire
- Corroded cable sections
- Seized movement
- Bent or damaged ends
- Excessive resistance at the heater control
- Incomplete movement of the heater mechanism
Replacing the damaged cable restores the mechanical connection between the cabin control and the heater system.
Symptoms of a Worn or Failed Heater Cable
A replacement may be required if you
experience:
- A stiff or difficult heater control
- The control moving without operating the heater
- Limited heater control travel
- Heating remaining permanently on
- Heating failing to switch on
- Uneven heater operation
- Excessive play in the control
- A snapped or visibly frayed cable
- The control lever failing to remain in the selected position
The heater valves and related mechanisms should also be inspected, as seized components can place excessive strain on the cable.
Benefits
Installing this OE Match heater cable can help
to:
- Restore correct heater control movement
- Improve cabin heating adjustment
- Replace a stretched or seized original cable
- Reduce stiffness at the control
- Return the heating system to factory-style operation
- Improve reliability during cold-weather driving
- Maintain the originality of the vehicle
- Avoid improvised cable repairs
- Support a high-quality Porsche 356 restoration
Installation Recommendations
Professional installation is recommended, particularly where access to the original cable routing and heater mechanism is restricted.
Before fitting, inspect:
- Heater control lever or knob
- Cable attachment points
- Cable guides and retaining clips
- Heater valves and operating levers
- Cable routing
- Adjacent heating system components
The heater mechanism should move freely before the new cable is connected. Installing a replacement cable onto a seized or excessively stiff mechanism may cause premature wear or failure.
Route the cable in the original position and avoid sharp bends that could increase friction or restrict movement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69542407100
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/B/C (not Carrera) 1.1L-1.6L 01/1955-12/1965
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69542407100
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 (1950-1955)
Porsche 356A (1955-1960)
Porsche 356B (1960-1963)
Porsche 356C (1964-1965)
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
35624408
The product you are viewing cross references to these numbers