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Your Vehicle
Porsche // 928 (1978-1995) // 928GTS 5.4L 1992-95
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- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- 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
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Options:
- RHD Cars (like UK), part number 9645720520001C
- LHD Cars (like EUROPE), part number 9645720510001C
Fits:
Porsche 911 1986>>
Porsche 930 Turbo 1986>>
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457205
The product you are viewing cross references to these numbers
.jpg?width=197 "Vacuum Unit for Footwell Heater Vent. Porsche 928 1980-95 - 92857407906")
- 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){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