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- 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 all models
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93021124600
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
This OE Match heater box vent hose is a replacement flexible heater air hose for Porsche 356 and 356A models. Measuring 50 x 270 mm, it is designed to match the original-style fitment and function within the classic Porsche heating and ventilation system.
Sold each - 2 required per car
Fits:
Porsche 356 1950 - 1955
Porsche 356A 1555 - 1959
Not for Carrera
Diagram ref no 1
The heater box vent hose carries warm air from the heater box into the ventilation ducting system. A correctly fitted hose helps maintain proper airflow, cabin heating, and windscreen demisting performance.
Functions
• Replaces the heater box vent hose
• Carries warm air through the heater and ventilation system
• Supports cabin heating and demisting performance
• Helps maintain correct heater airflow
• Replaces split, crushed, brittle, missing, or heat-damaged hoses
• Suitable for heating system repair or restoration
• OE Match replacement for Porsche 356 heater system refurbishment.
Why Replace This Part?
Heater vent hoses can become brittle, split, collapse, fray, or detach due to age, heat, moisture, vibration, and general wear. A damaged hose can reduce warm air flow, cause poor demisting, allow air leaks, or leave the heater system incomplete. Replacing the hose helps restore correct heater operation and original-style presentation.
When to Replace This Part
• The heater hose is split, crushed, brittle, torn, or missing
• Cabin heating output is weak or uneven
• Windscreen demisting performance is poor
• Air leaks are present around the heater box or ducting
• The heater boxes or ventilation ducting are being serviced
• Engine bay or underside heater components are being restored
• The vehicle is undergoing Porsche 356 or 356A restoration.
Where it fits on the car
This hose fits within the heater box vent and warm air ducting system on Porsche 356 and 356A models. It connects according to the factory heater layout and supports airflow from the heater box into the ventilation system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
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
Heater box vent hose 50x130mm.
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64421192100
The product you are viewing cross references to these numbers