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- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Fits:
Porsche 970 Panamera 2010-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
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97057258500
The product you are viewing cross references to these numbers
- 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 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Engine to Left Heat Exchanger Hose 130mm x 60mm
Maintain efficient cabin heating and proper airflow within
your air-cooled Porsche with this OE Match Engine to Left Hand Heat Exchanger Hose.
Measuring 130mm x 60mm, this hose is manufactured to the original factory specification.
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Diagram ref no. 19
Designed for the Porsche 911 turbo (930) and Porsche 964 turbo, this hose connects the engine cooling fan housing to the left-hand heat exchanger, delivering the airflow required for the vehicle's heating system. Manufactured from durable, heat-resistant materials, it provides the correct fit and flexibility needed to withstand the demanding temperatures of the engine bay.
Whether you're replacing a deteriorated original hose or completing a full engine restoration, this OE Match component restores factory-style performance and appearance.
What Does the Engine to Heat Exchanger Hose Do?
The engine to heat exchanger hose is an essential part of the air-cooled Porsche heating system.
Its primary functions include:
- Directing cooling fan air from the engine to the left-hand heat exchanger.
- Providing the airflow required to generate warm air for the cabin heating system.
- Maintaining efficient airflow through the heat exchanger.
- Helping ensure effective windscreen demisting and cabin heating.
- Completing the sealed airflow path between the engine and heating components.
Without an airtight hose, airflow is reduced, resulting in diminished heating performance and reduced system efficiency.
Why Does the Heat Exchanger Hose Fail?
Located in the engine compartment, the hose is constantly exposed to high temperatures, engine vibration and environmental contaminants.
Common causes of deterioration include:
- Heat-related hardening and cracking.
- Rubber or reinforced material becoming brittle with age.
- Splits caused by engine movement and vibration.
- Damage during engine maintenance.
- Oil contamination reducing material strength.
- General wear after years of service.
A damaged hose allows cooling air to escape before reaching the heat exchanger, reducing heating efficiency and affecting overall airflow management.
When Should It Be Replaced?
Replacement is recommended when:
- The hose is cracked, split or torn.
- Heating performance has noticeably decreased.
- Air leaks are present within the heating system.
- The hose has become brittle or collapsed.
- Carrying out an engine or heating system restoration.
- Replacing heat exchangers or other heating system components.
- Performing preventative maintenance on older vehicles.
Replacing ageing heating hoses helps restore proper airflow, improve cabin heating performance and maintain the efficiency of the air-cooled heating system.
Related reference numbers
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93021119601
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
Fits:
Porsche 911 3.2 Carrera - 1984 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 996 - 1997 to 2005
Porsche 997 - 2005 to 2012
Porsche 991.1 - 2012 to 2016
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Diagram ref no 2 and 13
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9P1129487
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