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- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE MATCH Heater Box, Black Powder Coated, Pair is a premium-quality replacement set of heater boxes designed for classic Porsche heating systems. These heater boxes enclose the exhaust heat exchangers and channel heated air into the vehicle's cabin heating and ventilation system, providing effective interior heating, demisting, and occupant comfort.
Fits:
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 1
Manufactured to OE specifications and finished with a durable black powder-coated coating, these heater boxes offer excellent corrosion resistance, long-term durability, and an original-style appearance. They are ideal for restoration projects or replacing rusted, damaged, or deteriorated original units, helping to restore heating system efficiency and reliability.
What This Product Does:
- Captures heat generated by the exhaust heat exchangers
- Directs heated air into the cabin heating and ventilation system
- Provides effective interior heating and windscreen demisting
- Supports proper airflow through the heating system
- Helps maintain passenger comfort in colder weather
- Protects and channels airflow around the heat exchanger assemblies
Symptoms Of Wear Or Failure:
- Poor cabin heating output
- Reduced airflow from heating vents
- Rust, corrosion, or holes in the heater box housing
- Heat loss before warm air reaches the passenger compartment
- Exhaust fumes entering the cabin heating system
- Rattling or vibration caused by deteriorated housings
- Uneven cabin temperatures
- Visible deterioration or structural damage to the heater boxes
Why Replacement Matters:
- Restores efficient cabin heating and demisting performance
- Improves airflow through the heating system
- Reduces heat loss and improves heating efficiency
- Helps prevent exhaust fumes from entering the cabin
- Protects heating system components and heat exchangers
- Supports accurate restoration of classic Porsche models
- Provides long-lasting corrosion protection with black powder-coated finish
- Maintains vehicle comfort, safety, and reliability in all weather conditions
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64421102505
The product you are viewing cross references to these numbers
.jpg?width=197 "Vacuum Unit for Footwell Heater Vent. Porsche 928 1980-95 - 92857407906")
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- 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
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
.jpg?width=197 "Vacuum Unit for Footwell Heater Vent. Porsche 928 1980-95 - 92857407906 - PVSTF")
.jpg){kind=link}
- 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
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