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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Heater Hose to Heater Air Flap - 320mm long
Fits left or right hnd side
Restore the efficiency of your Porsche's heating and
ventilation system with this OE Match Heater Hose,
designed specifically to connect the heater ducting to the heater air flap
on the Porsche 964 Carrera 2 and Carrera 4. Manufactured to original
equipment specifications, this high-quality replacement hose ensures warm air
is directed efficiently through the heating system, maintaining reliable cabin
comfort and proper airflow.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Diagram ref no 5
Whether you're restoring a classic 964, replacing deteriorated heater ducting or refurbishing the complete heating system, this OE Match heater hose provides factory-quality fitment and dependable long-term durability.
What Does the Heater Hose Do?
The heater hose connects the engine's heating ductwork to the heater air flap assembly, allowing heated air generated by the engine cooling fan and heat exchangers to be directed into the cabin when required.
Its primary functions include:
- Carrying heated air to the heater air flap.
- Maintaining efficient airflow through the heating system.
- Supporting rapid cabin heating.
- Helping deliver effective windscreen demisting and defrosting.
- Preventing warm air from escaping before reaching the heater controls.
- Maintaining the correct operation of the Porsche heating and ventilation system.
A correctly sealed heater hose helps maximise heating efficiency and passenger comfort.
Why Do Heater Hoses Fail?
Heater hoses operate in a high-temperature environment and
gradually deteriorate through age and continual heat exposure. Common causes of
failure include:
- Heat cycling causing the material to harden.
- Age-related cracking and splitting.
- Perishing caused by engine bay temperatures.
- Oil contamination degrading the hose material.
- Abrasion against surrounding components.
- General deterioration after years of service.
As the hose deteriorates it can develop splits, become brittle or collapse, allowing valuable heated air to escape before reaching the cabin.
When Should the Heater Hose Be Replaced?
The heater hose should be inspected whenever the heating
system or engine is serviced. Replacement is recommended if you notice:
- Cracked or brittle hose material.
- Torn or split ducting.
- Loose hose connections.
- Reduced cabin heating performance.
- Poor windscreen demisting.
- Visible heat damage or distortion.
Many Porsche specialists recommend replacing ageing heater hoses during engine-out servicing or whenever the heating ductwork is being refurbished.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457278500
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The OE MATCH Gasket for Heater Flap is a high-quality replacement sealing gasket designed for the heater flap assembly within the vehicle's heating and ventilation system. This gasket creates an effective seal between the heater flap and its housing, ensuring that warm air is directed correctly through the heating ducts and into the cabin.
Sold Each.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 7
Manufactured to OE specifications, the gasket helps prevent unwanted air leakage, improves heater efficiency, and contributes to proper climate control performance. Made from durable materials resistant to heat, age, and environmental exposure, it is an essential component during heater flap refurbishment or restoration work, particularly on classic Porsche models.
What This Product Does:
- Provides a seal between the heater flap and housing assembly
- Prevents unwanted air leakage within the heating system
- Ensures efficient airflow through the heater ducts
- Helps maintain consistent cabin heating performance
- Supports proper operation of the vehicle's ventilation system
- Reduces heat loss within the heater control system
Symptoms Of Wear Or Failure:
- Reduced cabin heating performance
- Air leaks from the heater flap assembly
- Difficulty maintaining cabin temperature
- Poor airflow direction through heater vents
- Increased drafts entering the cabin
- Rattling or vibration from loose sealing materials
- Visible deterioration, cracking, or missing gasket material
- Reduced efficiency of the heating and ventilation system
Why Replacement Matters:
- Restores an effective air-tight seal within the heater system
- Improves heating efficiency and airflow control
- Reduces unwanted air leaks and heat loss
- Enhances overall cabin comfort
- Supports proper operation of the heater flap mechanism
- Helps maintain original HVAC system performance
- Prevents drafts and inconsistent heating
- Provides a professional finish during restoration or maintenance work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121129700
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
The OE MATCH Heater Flap Hose is a high-quality silicone heating system hose designed to connect the heat control box (heater flap assembly) to the heat exchanger. Measuring Ø60 x 330 mm, this flexible hose forms a vital part of the vehicle’s cabin heating system, carrying heated air from the heat exchangers to the heater control components and ultimately into the passenger compartment.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Manufactured from durable, heat-resistant silicone, the hose is designed to withstand the high temperatures generated by the exhaust-heated air system while maintaining flexibility and structural integrity. It is an ideal replacement for ageing, cracked, or deteriorated original hoses commonly found on classic Porsche models.
What This Product Does:
- Transfers heated air from the heat exchanger to the heater control box
- Supports efficient cabin heating system operation
- Provides a sealed airflow path within the heating system
- Helps maintain consistent cabin temperatures
- Reduces heat loss within the heater ducting system
- Withstands high temperatures and engine bay conditions
Symptoms Of Wear Or Failure:
- Weak or reduced cabin heating output
- Loss of heated air before it reaches the cabin
- Cracked, split, or collapsed hose sections
- Air leaks around the heater duct connections
- Uneven or inconsistent cabin temperatures
- Visible deterioration from age, heat, or oil contamination
- Increased noise from escaping airflow
- Reduced overall efficiency of the heating system
Why Replacement Matters:
- Restores efficient heated air delivery to the cabin
- Prevents heat loss through damaged or leaking ducting
- Improves cabin comfort and temperature control
- Maintains proper operation of the heater flap system
- Reduces unwanted air leaks and noise
- Provides improved durability compared to ageing original hoses
- Supports restoration and maintenance of classic
- Porsche heating systems
- Ensures reliable long-term performance in high-temperature environments
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93021162201
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
An OE Match blower hose made from black outer material with an aluminium inner structure, designed to channel heated air within the engine bay heating system of Porsche 911 models.
Fits:
Porsche 911 1975 - 1983
Also used on Pre >>1973 911's in the heater system
Diagram ref no 13
This OE Match Blower Hose is a high-quality replacement component designed to replicate the original Porsche heater hose used in classic air-cooled 911 models. Installed in the engine bay, this hose connects the blower motor to the heat exchanger, enabling the transfer of warm air into the vehicle’s heating system.
This hose, approximately 60 mm in diameter and approximately 1 meter long, is designed for proper routing and fit within the limited space of the engine compartment. It plays a crucial role in maintaining proper cabin heating performance, especially in colder driving conditions.
This blower hose channels heated air from the engine-mounted blower to the heat exchangers, ensuring warm air is properly distributed through the vehicle’s heating system.
Function
• Transfers heated air from blower to heat exchanger
• Maintains consistent airflow within the heating system
• Withstands high engine bay temperatures
• Flexible design allows correct routing and installation
• Supports effective cabin heating performance
Over time, blower hoses can become brittle, cracked, or collapsed due to prolonged exposure to heat and age. This can lead to reduced airflow, poor heating performance, and potential heat loss within the system. Replacing a worn hose ensures efficient heat transfer, improves cabin comfort, and maintains proper operation of the vehicle’s heating system.
When to replace
• Visible cracks, splits, or deterioration
• Reduced or inconsistent cabin heating
• Hose becoming brittle or collapsing under heat
• During engine bay or heating system restoration
• Signs of air leaks or disconnected ducting
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121152201
The product you are viewing cross references to these numbers