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OE Match
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Related, superseded, cross reference or alternative numbers for comparison.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
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12 Month Warranty
Worldwide Delivery
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Footwell Heater Vent Vacuum Unit – HVAC Control Actuator
High-quality replacement footwell heater vent vacuum unit designed for Porsche 928 models.
This component is part of the vehicle’s HVAC (heating,
ventilation, and air conditioning) system, responsible for controlling the
opening and closing of the footwell air vents. It operates via vacuum pressure
to regulate airflow distribution within the cabin, ensuring proper heating
performance and passenger comfort.
Fits:
Porsche 928 4.5L 1980-82
Porsche 928S 4.7L 1981-83
Porsche 928S2 4.7L 1984-86
Porsche 928S4 5.0L 1987-92
Porsche 928GT 5.0L 1989-91
Porsche 928GTS 5.4L 1992-95
Diagram ref no 5
Manufactured to OEM specifications, this vacuum unit ensures precise fitment and reliable operation—ideal for restoring correct airflow control and resolving HVAC system faults.
Key Features
• Direct replacement HVAC vacuum actuator
• Suitable for Porsche 928 models
• Controls footwell heater vent operation
• Restores proper airflow distribution
• OEM-style fit and function
• Durable construction for long-term reliability
Function and Purpose
The vacuum unit controls airflow direction within the cabin.
It helps to:
• Open and close footwell heater vents
• Regulate cabin air distribution
• Maintain effective heating performance
• Support overall HVAC system operation
Why Replace Your Vacuum Unit
Over time, vacuum actuators can fail due to age or diaphragm wear.
Common issues include:
• No airflow to footwell vents
• Stuck or non-responsive vents
• Weak or inconsistent cabin heating
• Vacuum leaks affecting HVAC performance
Replacing the unit restores proper heater function and airflow control.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857407906
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Shop Securely
12 Month Warranty
Worldwide Delivery
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Footwell Heater Vent Vacuum Unit – HVAC Control Actuator
High-quality replacement footwell heater vent vacuum unit designed for Porsche 928 models.
This component is part of the vehicle’s HVAC (heating,
ventilation, and air conditioning) system, responsible for controlling the
opening and closing of the footwell air vents. It operates via vacuum pressure
to regulate airflow distribution within the cabin, ensuring proper heating
performance and passenger comfort.
Fits:
Porsche 928 4.5L 1980-82
Porsche 928S 4.7L 1981-83
Porsche 928S2 4.7L 1984-86
Porsche 928S4 5.0L 1987-92
Porsche 928GT 5.0L 1989-91
Porsche 928GTS 5.4L 1992-95
Diagram ref no 5
Manufactured to OEM specifications, this vacuum unit ensures precise fitment and reliable operation—ideal for restoring correct airflow control and resolving HVAC system faults.
Key Features
• Direct replacement HVAC vacuum actuator
• Suitable for Porsche 928 models
• Controls footwell heater vent operation
• Restores proper airflow distribution
• OEM-style fit and function
• Durable construction for long-term reliability
Function and Purpose
The vacuum unit controls airflow direction within the cabin.
It helps to:
• Open and close footwell heater vents
• Regulate cabin air distribution
• Maintain effective heating performance
• Support overall HVAC system operation
Why Replace Your Vacuum Unit
Over time, vacuum actuators can fail due to age or diaphragm wear.
Common issues include:
• No airflow to footwell vents
• Stuck or non-responsive vents
• Weak or inconsistent cabin heating
• Vacuum leaks affecting HVAC performance
Replacing the unit restores proper heater function and airflow control.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857407906
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Shop Securely
12 Month Warranty
Worldwide Delivery
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed